Learn Science

203 free science courses, each a game you play five minutes a day. Pick one, or build your own.

Free forever · No credit card · iPhone & Android

Free Science courses

203 science courses and counting, including The Mechanics of the Cosmos and How the Physical World Works. Each is a full game with levels, streaks, and quick quizzes, the kind you actually finish instead of bookmarking for later.

The Mechanics of the Cosmos course icon

The Mechanics of the Cosmos

Professor

Master the mathematical laws and physical principles that govern everything from the motion of planets to the quantum behavior of starlight.

59 levels1h 58mIntermediate
How the Physical World Works course icon

How the Physical World Works

Professor

Discover the hidden rules that govern everything from a falling apple to the stars in the sky. Learn to see the forces, energy, and waves that shape your daily life.

27 levels54mBeginner
Quantum Physics for the Real World course icon

Quantum Physics for the Real World

Professor

Discover the strange rules that govern the smallest building blocks of our universe and how they power the technology in your pocket.

21 levels42mBeginner
Powering the Modern Grid course icon

Powering the Modern Grid

Storyteller

Move beyond the basics of solar and wind to understand how we actually integrate renewables into a stable, reliable power system.

12 levels24mIntermediate
What Happens After Death course icon

What Happens After Death

Professor

Explore the biological, environmental, and cultural journey that begins when life ends. Understand the science of the body's transition and how we preserve legacies.

11 levels22mBeginner
The Dog Stars: A Canine Guide to the Cosmos course icon

The Dog Stars: A Canine Guide to the Cosmos

Pirate

Discover the celestial hounds guarding our night sky and the real-life pups who paved the way for space exploration.

12 levels24mBeginner
The Secret Life of Crystals course icon

The Secret Life of Crystals

Bestie

Go beyond the sparkle to understand how the Earth builds its most beautiful treasures. Learn to identify gems, understand their geometric secrets, and discover the extreme forces that forge diamonds.

10 levels20mBeginner
Clinical Anatomy: The Geometry of Access course icon

Clinical Anatomy: The Geometry of Access

Bestie

Master the spatial relationships and hidden corridors of the human body. This course moves beyond basic identification to help you navigate the complex geometry used in surgical access and diagnostic reasoning.

12 levels24mAdvanced
The Rules of the Physical World course icon

The Rules of the Physical World

Bestie

Discover the invisible forces that govern everything from your morning walk to the stars above. Learn to see the world through the lens of motion, energy, and gravity.

9 levels18mBeginner
Analyzing Research Data course icon

Analyzing Research Data

Professor

Move beyond basic statistics to critically evaluate the methodology, rigor, and causal claims of modern research papers.

21 levels42mAdvanced
The Biological Control Room course icon

The Biological Control Room

Bestie

Explore how life manages energy and information to stay in balance. You will learn how your body regulates itself, how cells power their operations, and how DNA acts as the ultimate instruction manual.

12 levels24mBeginner
Atmospheric Fluid Dynamics course icon

Atmospheric Fluid Dynamics

Professor

Explore the mathematical forces that drive our weather, from the spin of the Earth to the complex equations of air in motion.

24 levels48mBeginner
The Connected Universe course icon

The Connected Universe

Professor

Explore the grand synthesis of physics, biology, and information theory to understand how the fundamental laws of nature weave together into a single, complex reality.

24 levels48mIntermediate
DIY Screamer Fireworks course icon

DIY Screamer Fireworks

Pirate

Learn the principles of amateur rocketry and pyrotechnics to build stable, whistling fireworks from scratch using common materials.

21 levels42mBeginner
The Big Picture course icon

The Big Picture

Bestie

Understand how the universe fits together, from the atoms in your fingertips to the galaxies at the edge of space. This course connects the dots of existence into one satisfying story.

9 levels18mBeginner
The Hidden Rules of Reality course icon

The Hidden Rules of Reality

Professor

Explore the mind-bending ideas that explain how our universe actually works, from why time slows down to how gravity warps the fabric of space.

12 levels24mBeginner
Astrophysics: The Life of the Cosmos course icon

Astrophysics: The Life of the Cosmos

Bestie

Move beyond basic stargazing to understand the physical laws governing stars, galaxies, and the fabric of space-time itself. Learn how we measure the unmeasurable and predict the fate of the universe.

24 levels48mIntermediate
Quantum Intuition course icon

Quantum Intuition

Professor

Move beyond 'it's just weird' to understanding the actual logic of the subatomic world. Learn to manipulate probability, phase, and entanglement to solve problems classical computers can't touch.

12 levels24mIntermediate
The Physics of Your Senses course icon

The Physics of Your Senses

Explain Like I'm 5

Discover how your brain translates the raw forces of the universe—like light waves and gravity—into the world you actually experience.

11 levels22mBeginner
The Machinery of Life course icon

The Machinery of Life

Professor

Move beyond basic definitions to understand the chemical engines, genetic circuits, and complex systems that drive every living thing on Earth.

24 levels48mIntermediate
How Particle Accelerators Work course icon

How Particle Accelerators Work

Professor

Look under the hood of the world's most powerful machines. Learn to identify the parts, steer the beams, and see how these 'atomic engines' power everything from cancer treatments to space-age materials.

11 levels22mBeginner
The Living Factory: Biotech Basics course icon

The Living Factory: Biotech Basics

Professor

Discover how we use nature's own machinery to solve human problems, from curing diseases to growing sustainable food.

10 levels20mBeginner
Ankle Mechanics and Stability course icon

Ankle Mechanics and Stability

Professor

Go beyond basic joint names to master the complex biomechanics of the talocrural mortise and the neurological loops that prevent injury.

12 levels24mAdvanced
The Night Sky and Beyond course icon

The Night Sky and Beyond

Professor

Journey from your backyard to the edge of the observable universe. Learn to navigate the constellations, understand the lives of stars, and explore the mysteries of black holes and dark energy.

83 levels2h 46mBeginner
Environmental Science: Our Changing Planet course icon

Environmental Science: Our Changing Planet

Professor

Explore how Earth's natural systems function and how human activity reshapes our world. From biodiversity to renewable energy, learn to analyze the complex interactions that sustain life.

43 levels1h 26mBeginner
Molecular Architecture course icon

Molecular Architecture

Professor

Move beyond basic reactions to master the art of molecular design. Learn how to manipulate orbital symmetry, transition states, and non-covalent forces to engineer complex chemical outcomes.

9 levels18mAdvanced
Ocean Worlds of the Solar System course icon

Ocean Worlds of the Solar System

Explain Like I'm 5

Journey beyond Earth to discover the hidden, liquid-water oceans locked beneath the icy shells of moons and dwarf planets. Explore the chemistry, gravity, and extreme environments that make these distant worlds the best places to search for alien life.

70 levels2h 20mBeginner
The Human Body: How We're Built course icon

The Human Body: How We're Built

Professor

Discover the incredible machinery inside you. Learn to identify your own landmarks, understand how your systems work together, and see the human form in a whole new way.

21 levels42mBeginner
Time Travel in the Real World course icon

Time Travel in the Real World

Bestie

Discover how time travel isn't just for movies. Explore the real physics of time dilation, the logic of paradoxes, and why your GPS depends on time travel to work.

24 levels48mBeginner
Biology in Your Daily Life course icon

Biology in Your Daily Life

Professor

Discover how the invisible machinery of life explains everything from why you get hungry to how your body fights off a cold.

12 levels24mBeginner
The Biology of Attraction course icon

The Biology of Attraction

Professor

Discover the hidden chemical and neurological forces that drive human connection, from the first spark of a glance to the deep bonds of long-term partnership.

95 levels3h 10mBeginner
Quantum Physics in the Real World course icon

Quantum Physics in the Real World

Storyteller

Discover how the strange rules of the subatomic world power your smartphone, secure your bank account, and define the future of technology.

24 levels48mBeginner
Hydrology and Water Dynamics course icon

Hydrology and Water Dynamics

Professor

Discover how water shapes our world, from the hidden movement of underground aquifers to the powerful dynamics of river systems. Learn to read the landscape and understand the complex cycle that sustains life on Earth.

91 levels3h 2mBeginner
Quantum Physics: The World of Probability course icon

Quantum Physics: The World of Probability

Explain Like I'm 5

Step into the strange reality of the very small, where objects can be in two places at once and the act of looking changes the world.

9 levels18mBeginner
The Universe Above Us course icon

The Universe Above Us

Professor

Look beyond the horizon to understand the stars, planets, and the vast mysteries of the cosmos. Learn to navigate the night sky and discover the forces that shaped our universe.

27 levels54mBeginner
Navigating the Solar System course icon

Navigating the Solar System

Bestie

Move beyond basic planet names and discover the invisible physics that dictate how we travel, survive, and thrive in the vacuum of space.

12 levels24mIntermediate
Research Security: Protecting Your Work course icon

Research Security: Protecting Your Work

Professor

Learn to navigate the complex world of academic research security, from identifying restricted foreign entities to safeguarding your data against malign influence.

9 levels18mBeginner
Durable Carbon Removal course icon

Durable Carbon Removal

Explain Like I'm 5

Move beyond temporary offsets and explore the high-permanence technologies designed to lock carbon away for millennia.

12 levels24mIntermediate
Quantum Engineering and Measurement course icon

Quantum Engineering and Measurement

Bestie

Move beyond abstract theory to the practical manipulation of quantum states. Learn how to fight decoherence, engineer entanglement, and exploit weak measurements in modern quantum systems.

9 levels18mAdvanced
Quantum Physics in Action course icon

Quantum Physics in Action

Bestie

Move beyond theoretical paradoxes to see how quantum mechanics powers the modern world, from the smartphone in your pocket to the future of secure communication.

24 levels48mIntermediate
The Mechanics of the Cosmos course icon

The Mechanics of the Cosmos

Storyteller

Move beyond basic stargazing to understand the physical laws and observational techniques that reveal the secrets of the universe. Explore how light, gravity, and time shape everything from stellar nurseries to the edge of the observable horizon.

21 levels42mIntermediate
Gravity, Time, and the Void course icon

Gravity, Time, and the Void

Bestie

Move beyond basic orbits to explore how gravity warps the very fabric of reality, from the life-cycles of planets to the time-bending heart of a black hole.

9 levels18mIntermediate
The Rules of the Very Small course icon

The Rules of the Very Small

Professor

Discover why the universe gets weird at the atomic level and how these 'impossible' rules power the modern technology in your pocket.

10 levels20mBeginner
Ocean Worlds: Life on Saturn's Moons course icon

Ocean Worlds: Life on Saturn's Moons

Professor

Explore the icy frontiers of Enceladus and Titan to uncover the chemical secrets of subsurface oceans and the potential for extraterrestrial life.

87 levels2h 54mIntermediate
Bones, Muscles, and Movement course icon

Bones, Muscles, and Movement

Bestie

Go beyond naming parts to understand how the human frame generates power, maintains stability, and adapts to the physical world.

24 levels48mIntermediate
The Physics of the Void course icon

The Physics of the Void

Professor

Understand the invisible rules that govern the cosmos, from why satellites don't fall to how gravity bends the very fabric of time.

12 levels24mBeginner
Human Anatomy and Physiology course icon

Human Anatomy and Physiology

Professor

Go beyond basic diagrams to master the complex mechanical and chemical interactions that sustain human life. This course bridges the gap between structural form and clinical function for a professional-grade understanding of the body.

86 levels2h 52mIntermediate
Atmospheric Physics: The Secret Life of Clouds course icon

Atmospheric Physics: The Secret Life of Clouds

Explain Like I'm 5

Move beyond basic classification into the complex thermodynamics and microphysics that drive cloud formation and global climate regulation.

10 levels20mAdvanced
Stargazing and the Hidden Universe course icon

Stargazing and the Hidden Universe

Professor

Learn to read the night sky like a map and discover the secret messages hidden in starlight. From finding famous constellations to 'seeing' invisible radiation, you'll view the cosmos in a whole new light.

7 levels14mBeginner
Cellular Bioenergetics and Metabolic Flux course icon

Cellular Bioenergetics and Metabolic Flux

Professor

A master-level exploration of the molecular machinery, thermodynamic constraints, and regulatory networks that govern how cells extract and transform energy.

87 levels2h 54mAdvanced
Quantum Realities: Time and Parallel Worlds course icon

Quantum Realities: Time and Parallel Worlds

Professor

Move beyond science fiction to explore the rigorous physics of the multiverse, retrocausality, and the mathematical possibility of time travel. Master the mechanics of how reality branches and how time behaves at the quantum scale.

32 levels1h 4mIntermediate
Biostatistics for Clinical Research course icon

Biostatistics for Clinical Research

Professor

Move beyond basic averages to design rigorous studies and interpret complex medical data. Learn to handle bias, calculate power, and model survival outcomes like a professional researcher.

21 levels42mIntermediate
Quantum Reality course icon

Quantum Reality

Explain Like I'm 5

Explore the strange and beautiful rules that govern the subatomic world, where particles can be in two places at once and reality changes just because you looked at it.

90 levels3hBeginner
Astrophysics: The High-Energy Universe course icon

Astrophysics: The High-Energy Universe

Professor

An exhaustive exploration of the physical processes governing the cosmos, from the fluid dynamics of accretion disks to the tensions in modern cosmological models.

95 levels3h 10mAdvanced
The Universe Above Us course icon

The Universe Above Us

Professor

Journey from your own backyard to the edge of the observable universe. Discover how stars are born, why time slows down near black holes, and how we are searching for life among the billions of galaxies.

90 levels3hBeginner
Solid Mechanics and Material Strength course icon

Solid Mechanics and Material Strength

Storyteller

Master the behavior of solid objects under load, from internal stress analysis to complex failure theories and structural stability.

79 levels2h 38mIntermediate
Physics: Motion, Energy, and Waves course icon

Physics: Motion, Energy, and Waves

Bestie

Explore the fundamental laws that govern the universe, from the mechanics of a moving car to the behavior of light and the power of the atom.

99 levels3h 18mBeginner
Molecular Architecture: Advanced Synthesis course icon

Molecular Architecture: Advanced Synthesis

Professor

Move beyond basic reactions to master the strategic design of complex molecules. This course focuses on the high-level logic of retrosynthesis, stereochemical control, and the quantum mechanics that drive modern chemical innovation.

12 levels24mAdvanced
Physics from First Principles course icon

Physics from First Principles

Explain Like I'm 5

Master the fundamental laws that govern the universe by looking at the world through the lens of forces, energy, and scaling. Learn to predict how things move, break, and flow without getting lost in the equations.

21 levels42mIntermediate
Stars, Planets, and the Cosmic Void course icon

Stars, Planets, and the Cosmic Void

Professor

Journey from the familiar glow of our Moon to the crushing gravity of black holes. Master the life cycles of stars and discover the strange worlds orbiting distant suns.

77 levels2h 34mBeginner
Quantum Information Geometry course icon

Quantum Information Geometry

Professor

Move beyond the wavefunction to explore how entanglement, topology, and information geometry define the fabric of reality. This course bridges the gap between many-body physics and the holographic principle.

12 levels24mAdvanced
The Tilted Earth: Why We Don't Fall Over course icon

The Tilted Earth: Why We Don't Fall Over

Bestie

Discover the invisible forces that keep our planet steady and what would happen if our world-shaping tilt ever slipped.

9 levels18mBeginner
Quantum Physics: The World of the Very Small course icon

Quantum Physics: The World of the Very Small

Storyteller

Discover the strange and beautiful rules that govern the universe at the smallest scales, from particles that act like waves to objects that exist in two places at once.

24 levels48mBeginner
Astrophotography: Capturing the Deep Sky course icon

Astrophotography: Capturing the Deep Sky

Storyteller

Move beyond simple snapshots and learn to capture the hidden colors of nebulae and galaxies. This course bridges the gap between basic night photography and professional-grade deep-sky imaging.

12 levels24mIntermediate
How the Quantum World Works course icon

How the Quantum World Works

Professor

Explore the strange and beautiful rules that govern the universe at its smallest scale, from particles that act like waves to the spooky connections of entanglement.

79 levels2h 38mBeginner
Navigating the Solar System course icon

Navigating the Solar System

Bestie

Move beyond basic planet names to understand the orbital mechanics, solar weather, and gravitational dances that define our cosmic neighborhood.

11 levels22mIntermediate
The Mechanics of the Cosmos course icon

The Mechanics of the Cosmos

Professor

Go beyond the basics of stargazing to master the physics of planetary systems, the life cycles of stars, and the extreme environments of black holes and quasars.

45 levels1h 30mIntermediate
The Physics of Stellar Evolution course icon

The Physics of Stellar Evolution

Bestie

Go beyond the constellations to understand the violent physics and quantum mechanics that power the stars and shape the fabric of spacetime.

12 levels24mIntermediate
Earth in the Cosmic Flow course icon

Earth in the Cosmic Flow

Storyteller

Move beyond basic planetary facts to understand how Earth is actively shaped, shielded, and fueled by its relationship with the cosmos.

12 levels24mIntermediate
How Black Holes Die course icon

How Black Holes Die

Bestie

Discover how the most permanent objects in the universe eventually evaporate into nothingness through the strange logic of Hawking Radiation.

10 levels20mBeginner
The Quantum Architecture of the Universe course icon

The Quantum Architecture of the Universe

Professor

Move beyond the basics of wave-particle duality to understand the probabilistic machinery that builds our reality and shapes the cosmos.

30 levels1hIntermediate
The Quantum World course icon

The Quantum World

Storyteller

Explore the strange and beautiful reality of the subatomic world where particles exist in two places at once and objects can walk through walls.

91 levels3h 2mBeginner
The Laws of the Universe course icon

The Laws of the Universe

Explain Like I'm 5

Discover the mathematical elegance and physical laws that govern everything from falling apples to distant galaxies. Learn to calculate the forces of nature and see the world through the eyes of history's greatest thinkers.

40 levels1h 20mBeginner
Quantum Mechanics and Reality course icon

Quantum Mechanics and Reality

Bestie

Move beyond pop-science metaphors to master the mathematical and physical reality of the subatomic world, from wavefunctions to quantum computing.

83 levels2h 46mIntermediate
Respiratory Pathophysiology course icon

Respiratory Pathophysiology

Professor

Master the mechanisms of lung disease, from cellular gas exchange failures to the clinical recognition of complex breathing patterns and obstructive disorders.

71 levels2h 22mIntermediate
The Search for Extraterrestrial Life course icon

The Search for Extraterrestrial Life

Bestie

Move beyond science fiction to explore the rigorous science of astrobiology, from detecting chemical fingerprints in distant atmospheres to the protocols of first contact.

12 levels24mIntermediate
The Weird World of Quantum Physics course icon

The Weird World of Quantum Physics

Bestie

Discover why the universe gets strange at the smallest scales and how 'spooky' particles power the technology in your pocket.

12 levels24mBeginner
Astrophysics and the Cosmos course icon

Astrophysics and the Cosmos

Professor

Move beyond basic stargazing to understand the physical laws governing the birth of stars, the warping of spacetime, and the ultimate fate of the universe.

91 levels3h 2mIntermediate
Time in Motion: Relativity and the Twin Paradox course icon

Time in Motion: Relativity and the Twin Paradox

Explain Like I'm 5

Move beyond the basics of physics to understand why time isn't a constant, how speed alters aging, and why the famous Twin Paradox isn't actually a contradiction.

19 levels38mIntermediate
The Fabric of the Cosmos course icon

The Fabric of the Cosmos

Professor

Explore the extreme physics of the universe, from the warped space-time of black holes to the colossal structures of the cosmic web. This mastery course bridges the gap between basic astronomy and the complex relativistic mechanics that govern our reality.

74 levels2h 28mIntermediate
How Matter Works: The Foundations of Chemistry course icon

How Matter Works: The Foundations of Chemistry

Professor

Discover the hidden logic of the physical world, from the dance of subatomic particles to the explosive energy of chemical reactions.

45 levels1h 30mBeginner
Astronomy and the Path to Astrophysics course icon

Astronomy and the Path to Astrophysics

Professor

Go beyond stargazing to understand the physics of the cosmos and the professional tools used to decode the universe. This course bridges the gap between an amateur hobbyist and a serious student of the stars.

32 levels1h 4mBeginner
The Weird World of Quantum Physics course icon

The Weird World of Quantum Physics

Professor

Explore the strange rules that govern the universe at its smallest scale, where objects can be in two places at once and looking at something changes its behavior.

12 levels24mBeginner
Life and the Living Universe course icon

Life and the Living Universe

Professor

Explore how our planet breathes, how animals thrive, and how the laws of life on Earth connect us to the vast mysteries of deep space.

36 levels1h 12mBeginner
The Universe as It Really Is course icon

The Universe as It Really Is

Storyteller

Unlearn the myths of the cosmos. This course dismantles common space misconceptions to reveal the mind-bending reality of how gravity, light, and the vacuum actually work.

91 levels3h 2mBeginner
The Scientific Way of Thinking course icon

The Scientific Way of Thinking

Explain Like I'm 5

Go beyond facts and learn to see the world through the lens of evidence, experimentation, and critical inquiry. This course transforms you from a passive observer into a rigorous investigator of reality.

92 levels3h 4mBeginner
Astrophysics and the Cosmic Scale course icon

Astrophysics and the Cosmic Scale

Professor

Move beyond identifying constellations to understanding the mechanics of the universe. Explore the physics of stellar evolution, the evidence for dark matter, and the tools astronomers use to measure the edge of space.

30 levels1hIntermediate
Quantum Physics: The Rules of the Very Small course icon

Quantum Physics: The Rules of the Very Small

Professor

Explore the strange and beautiful world of the subatomic. From particles that exist in two places at once to the technology in your pocket, discover how the universe works when nobody is looking.

91 levels3h 2mBeginner
Quantum Physics: The Mathematical Language course icon

Quantum Physics: The Mathematical Language

Explain Like I'm 5

Master the mathematical framework of the subatomic world. Learn how vectors, matrices, and probability amplitudes describe a reality that defies common sense.

78 levels2h 36mBeginner
Navigating the Night Sky course icon

Navigating the Night Sky

Storyteller

Stop looking at a random blur of lights and start recognizing the neighborhood. Learn how to find planets, track the moon, and use the stars to find your way home.

12 levels24mBeginner
The Physics of Space Exploration course icon

The Physics of Space Exploration

Professor

Move beyond the names of planets and learn the invisible forces that govern how we navigate the void and how stars live and die.

12 levels24mIntermediate
Quantum Physics in Your Pocket course icon

Quantum Physics in Your Pocket

Bestie

Discover how the strange rules of the subatomic world power the technology you use every day, from your smartphone to the GPS in your car.

12 levels24mBeginner
Matter in Motion: Phase and Energy course icon

Matter in Motion: Phase and Energy

Professor

Move beyond the basics of solids and liquids to understand the invisible energy exchanges that power our world. Discover how pressure, heat, and atomic structure dictate the behavior of everything around you.

9 levels18mIntermediate
The Quantum World course icon

The Quantum World

Professor

Discover the strange rules that govern the universe at its smallest scale, where objects can be in two places at once and everything is connected.

10 levels20mBeginner
Quantum Physics: The Rules of Reality course icon

Quantum Physics: The Rules of Reality

Bestie

Discover the strange and beautiful laws that govern the subatomic world, from particles that exist in two places at once to the quantum secrets inside your smartphone.

86 levels2h 52mBeginner
The Thin Line: Moon, Earth, and Vacuum course icon

The Thin Line: Moon, Earth, and Vacuum

Explain Like I'm 5

Explore the physics of the boundaries where light meets shadow and atmosphere meets the void. Learn to read the Moon's geometry and understand the invisible pressure forces that define the edge of our world.

9 levels18mIntermediate
The Architecture of the Cosmos course icon

The Architecture of the Cosmos

Explain Like I'm 5

Go beyond the basics of stargazing to master the mechanics of galactic structures, the physics of singularities, and the ultimate fate of the universe.

62 levels2h 4mIntermediate
Quantum Physics: The World of the Small course icon

Quantum Physics: The World of the Small

Storyteller

Explore the strange and beautiful laws that govern the subatomic world, from particles that exist in two places at once to the technology powering your smartphone.

95 levels3h 10mBeginner
Your Body's Blueprint course icon

Your Body's Blueprint

Bestie

Discover the incredible engineering of the human body, from the electrical signals in your brain to the living architecture of your bones.

12 levels24mBeginner
Exoplanets and the Search for Life course icon

Exoplanets and the Search for Life

Professor

An exhaustive exploration of planetary systems beyond our own, from the subsurface oceans of icy moons to the detection of biosignatures in the deep cosmos.

71 levels2h 22mAdvanced
The World of Dinosaurs course icon

The World of Dinosaurs

Professor

Move beyond the basics of the T-Rex to explore the complex evolution, specialized clades, and surprising biology of the Mesozoic's most successful inhabitants.

70 levels2h 20mIntermediate
Fingerprint Analysis: The Art of the Lift course icon

Fingerprint Analysis: The Art of the Lift

Professor

Learn to reveal the invisible world of latent prints. Master the tools of the trade to lift evidence and develop the sharp eye needed to match ridges like a professional investigator.

21 levels42mBeginner
Genomic Engineering & Regulation course icon

Genomic Engineering & Regulation

Bestie

Move beyond the basics of inheritance to master the tools of modern genome editing and the complex regulatory layers that dictate cellular identity.

12 levels24mAdvanced
Biology: The Logic of Life course icon

Biology: The Logic of Life

Bestie

Move beyond memorizing parts to understanding the systems that drive all living things. Explore how energy, information, and environment interact to create the complexity of the natural world.

21 levels42mIntermediate
Gravity's Extremes: From Big Bang to Black Holes course icon

Gravity's Extremes: From Big Bang to Black Holes

Bestie

Explore how the curvature of spacetime dictates the birth of the universe and the mysterious physics of its most dense objects.

9 levels18mIntermediate
Where Physics Breaks course icon

Where Physics Breaks

Professor

Explore the cosmic frontiers where our understanding of reality unravels, from the quantum quirks of the very small to the gravitational monsters of the very large.

9 levels18mIntermediate
The Life Cycle of the Cosmos course icon

The Life Cycle of the Cosmos

Professor

Move beyond basic planet-spotting to understand the grand mechanisms of the universe, from the birth of stars in gas clouds to the dark matter holding galaxies together.

12 levels24mIntermediate
A Photon's Epic Journey course icon

A Photon's Epic Journey

Professor

Follow a single, self-aware particle of light on its chaotic 100,000-year escape from the Sun's core to its final destination: your skin.

7 levels14mBeginner
Reading the Night Sky course icon

Reading the Night Sky

Bestie

Stop looking at a random mess of dots and start seeing the map of the cosmos. Learn to find your way using the stars and identify planets with the naked eye.

9 levels18mBeginner
The Quantum World course icon

The Quantum World

Bestie

Discover the strange rules that govern the universe at its smallest scale. Learn why particles can be in two places at once and how this 'weird' science powers your smartphone.

24 levels48mBeginner
The Cosmos and Beyond course icon

The Cosmos and Beyond

Professor

Go beyond the basics of the solar system to master the mechanics of orbital motion, stellar evolution, and the deep-space structures that define our universe.

74 levels2h 28mIntermediate
Quantum Reality: The End of Certainty course icon

Quantum Reality: The End of Certainty

Pirate

Move beyond the 'tiny billiard ball' model of atoms to understand the probabilistic nature of the universe. Learn how wave-particle duality and entanglement redefine our concept of reality and power modern technology.

12 levels24mIntermediate
Spacetime and the Fifth Dimension course icon

Spacetime and the Fifth Dimension

Professor

Move beyond the three-dimensional world to explore the physics of time travel, the geometry of the bulk, and the logic of predestination paradoxes.

12 levels24mIntermediate
The Body as a Planet course icon

The Body as a Planet

Storyteller

Explore your anatomy as a vast, living ecosystem where cells are citizens, blood is a transit system, and light sets the planetary clock.

12 levels24mBeginner
Cosmology: The Story of the Universe course icon

Cosmology: The Story of the Universe

Professor

Journey from the first fraction of a second to the heat death of the universe. Master the physics of expansion, the mystery of dark energy, and the mathematical models that define our reality.

75 levels2h 30mIntermediate
Relativity: Space, Time, and Gravity course icon

Relativity: Space, Time, and Gravity

Professor

Master the fabric of the universe by exploring how Einstein redefined reality, from the speed of light to the curvature of spacetime.

87 levels2h 54mIntermediate
Our Cosmic Neighborhood course icon

Our Cosmic Neighborhood

Storyteller

Get to know the planets, stars, and the invisible forces that hold our universe together in this quick guide to the night sky.

8 levels16mBeginner
Stargazing with Lenses and Mirrors course icon

Stargazing with Lenses and Mirrors

Professor

Master the art of visual astronomy, from choosing your first pair of binoculars to calibrating high-end telescopes for deep-space exploration.

90 levels3hBeginner
The Strange Logic of Quantum Physics course icon

The Strange Logic of Quantum Physics

Bestie

Discover the counter-intuitive rules that govern the very small, where particles can be in two places at once and reality changes just because you looked at it.

8 levels16mBeginner
The Universe Above Us course icon

The Universe Above Us

Storyteller

Journey from your backyard to the edge of time. Discover how stars are born, why planets stay in orbit, and what lies within the deepest mysteries of the cosmos.

91 levels3h 2mBeginner
The Secret Life of Cells course icon

The Secret Life of Cells

Professor

Explore the microscopic world within you, where tiny biological machines work tirelessly to keep you alive. Learn how cells build, power, and repair themselves in this comprehensive guide to the building blocks of life.

40 levels1h 20mBeginner
The Leap to Sixth Grade course icon

The Leap to Sixth Grade

Professor

Bridge the gap between elementary and middle school by mastering the core systems that connect math, science, and history.

12 levels24mBeginner
Quantum Physics in Your Pocket course icon

Quantum Physics in Your Pocket

Explain Like I'm 5

Discover how the strange rules of the subatomic world power your smartphone, heal your body, and define the future of technology.

79 levels2h 38mBeginner
The Weird World of Quantum Physics course icon

The Weird World of Quantum Physics

Professor

Discover the strange rules that govern the universe at its smallest scale, where objects can be in two places at once and nothing is certain until you look.

9 levels18mBeginner
Astronomy: Beyond the Telescope course icon

Astronomy: Beyond the Telescope

Bestie

Master the intersection of celestial science, orbital defense, and the cultural mysteries of the cosmos. From the strategic mission of the Space Force to the search for extraterrestrial life and ancient theological views, this course covers the universe's most provocative questions.

95 levels3h 10mIntermediate
Seeing with Sound: Ultrasound Basics course icon

Seeing with Sound: Ultrasound Basics

Bestie

Learn to decode the grainy world of ultrasound images and understand how sound waves reveal the secrets hidden inside the human body.

11 levels22mBeginner
How Your Brain Works course icon

How Your Brain Works

Bestie

Discover how your brain predicts your world, builds your habits, and manages your moods in this quick guide to your own gray matter.

12 levels24mBeginner
The Brain's Inner Workings course icon

The Brain's Inner Workings

Bestie

Move beyond basic anatomy to understand how neural circuits compute information, adapt to experience, and generate complex behaviors.

21 levels42mIntermediate
The Night Sky for Beginners course icon

The Night Sky for Beginners

Explain Like I'm 5

Stop looking at a random blur of lights and start recognizing the cosmos. Learn to navigate the stars, track the planets, and understand the scale of the universe from your own backyard.

9 levels18mBeginner
Quantum Physics in Action course icon

Quantum Physics in Action

Professor

Move beyond theoretical paradoxes to see how quantum mechanics actually powers your smartphone, the internet, and the future of computing.

12 levels24mIntermediate
The Molecular Machine course icon

The Molecular Machine

Professor

Move beyond the 'cell as a bag of soup' and discover the intricate molecular engineering that powers life. Learn how proteins fold into tools, how cells make decisions, and how energy is harvested through microscopic motors.

9 levels18mIntermediate
Meteorology: The Atmosphere in Motion course icon

Meteorology: The Atmosphere in Motion

Explain Like I'm 5

Go beyond the daily forecast to master the fluid dynamics, thermodynamics, and predictive modeling that govern our planet's atmosphere.

89 levels2h 58mIntermediate
Atmospheric Dynamics and Forecasting course icon

Atmospheric Dynamics and Forecasting

Professor

Master the complex fluid dynamics and thermodynamic processes that drive global weather patterns, from mesoscale convective systems to planetary-scale oscillations.

83 levels2h 46mAdvanced
The Periodic Table: A Mental Map course icon

The Periodic Table: A Mental Map

Professor

Master the atomic landscape by memorizing every element, symbol, and number through advanced mnemonic systems and structural logic.

68 levels2h 16mIntermediate
Human Anatomy and Physiology in Practice course icon

Human Anatomy and Physiology in Practice

Storyteller

Go beyond basic diagrams to master the functional systems of the body. Learn how physiological mechanisms drive clinical diagnosis, natural healing, and peak human performance.

87 levels2h 54mIntermediate
Physics Through Simulation course icon

Physics Through Simulation

Bestie

Discover how computers solve the mysteries of the universe using simple logic instead of complex equations. Rebuild your confidence in science by learning to think like a digital physicist.

21 levels42mBeginner
Decoding the Universe course icon

Decoding the Universe

Bestie

Learn to read the messages hidden in starlight and understand the invisible forces that shape our cosmos.

12 levels24mBeginner
Finding Your Way Through the Stars course icon

Finding Your Way Through the Stars

Bestie

Learn to read the night sky like a map. Discover how to use famous constellations to find your way and why the stars change with the seasons.

24 levels48mBeginner
Quantum Chromodynamics: The Strong Force in Reality course icon

Quantum Chromodynamics: The Strong Force in Reality

Storyteller

Go beyond the equations to see how the strong nuclear force generates 99% of your body's mass and powers the modern world, from cancer treatments to nuclear energy.

63 levels2h 6mIntermediate
The Cosmic Web: Mapping the Universe course icon

The Cosmic Web: Mapping the Universe

Explain Like I'm 5

Explore the largest structures in existence, from vast cosmic voids to the intricate filaments of dark matter that connect the galaxies.

67 levels2h 14mBeginner
Dragon Anatomy: Beyond the Basics course icon

Dragon Anatomy: Beyond the Basics

Storyteller

Move past simple myths to understand how a dragon's body actually functions. Explore the mechanics of flight, the chemistry of fire-breathing, and the specialized armor that protects these legendary beasts.

54 levels1h 48mIntermediate
Quantum Physics in Your Pocket course icon

Quantum Physics in Your Pocket

Professor

Move beyond the mystery and see how quantum mechanics powers your everyday life. Discover how particles behaving like waves make your smartphone, medical scans, and future computers possible.

54 levels1h 48mIntermediate
The Weird World of Quantum Physics course icon

The Weird World of Quantum Physics

Professor

Ever wonder how things can be in two places at once? Discover the strange rules that run our universe and how they power the gadgets you use every day.

26 levels52mBeginner
CERN and the Mystery of the Mandela Effect course icon

CERN and the Mystery of the Mandela Effect

Storyteller

Explore the mind-bending theories connecting the world's largest particle collider to shifts in our collective memory. Discover how scientists hunt for hidden dimensions and why some believe our reality has already branched off.

26 levels52mBeginner
Quantum Physics: Beyond the Basics course icon

Quantum Physics: Beyond the Basics

Professor

Move past the popular science buzzwords to understand how the subatomic world actually functions. Master the strange logic of particles that exist in multiple states and the invisible connections that link them across space.

195 levels6h 30mIntermediate
Quantum Physics for the Curious course icon

Quantum Physics for the Curious

Professor

Ever wonder how a particle can be in two places at once? Skip the scary math and dive straight into the weird, wonderful reality of the subatomic world.

175 levels5h 50mBeginner
Quantum Physics: Beyond the Basics course icon

Quantum Physics: Beyond the Basics

Professor

Move past the buzzwords and learn to predict the strange behavior of the subatomic world. Master the tools of superposition, entanglement, and the math of probability that governs reality.

170 levels5h 40mIntermediate
Thinking Like a Vet course icon

Thinking Like a Vet

Explain Like I'm 5

Learn to read the hidden language of animals. From checking a dog's heartbeat to understanding how a horse moves, discover the secrets of animal anatomy and how to keep them healthy.

195 levels6h 30mBeginner
Quantum Physics in Your Pocket course icon

Quantum Physics in Your Pocket

Explain Like I'm 5

Stop thinking about abstract equations and start seeing the quantum world in your everyday life. Discover how the strange rules of the tiny make your phone work, your toaster glow, and your cat (theoretically) immortal.

24 levels48mBeginner
The Inner Journey: Mastering Digestion course icon

The Inner Journey: Mastering Digestion

Storyteller

Go beyond the basics of eating to understand how your body extracts energy and handles waste. Explore the mechanical and chemical marvels of the gut and see how other animals solve the same problems.

96 levels3h 12mIntermediate
Mastering Your Refrigerator course icon

Mastering Your Refrigerator

Professor

Learn how to keep your food fresh and your drinks cold by mastering the science of cooling. Discover how your fridge moves heat around and how you can fix common cooling problems yourself.

54 levels1h 48mBeginner
Quantum Mastery: From Paradox to Power course icon

Quantum Mastery: From Paradox to Power

Pirate

Master the counter-intuitive reality of the subatomic world. Move from calculating wavefunctions to engineering quantum circuits and understanding the deep fabric of spacetime.

205 levels6h 50mAdvanced
Humans and Monkeys: The Family Tree course icon

Humans and Monkeys: The Family Tree

Bestie

Explore why we can't have 'human-monkey' babies and discover the fascinating truth about our shared history. Learn how DNA and evolution connect us to our primate cousins.

26 levels52mBeginner
Navigating the Skies and Seas course icon

Navigating the Skies and Seas

Bestie

Master the art of reading the horizon to predict shifting winds and changing tides. Move beyond basic forecasts to understand the invisible forces that dictate safety and speed on the water and in the air.

88 levels2h 56mIntermediate
The Animal Mind in Action course icon

The Animal Mind in Action

Professor

Move beyond basic instincts to discover how animal brains solve problems, form social bonds, and navigate their worlds. Explore the fascinating mechanics of cognition and emotion across the animal kingdom.

88 levels2h 56mIntermediate
Cosmic Navigator: Beyond the Basics course icon

Cosmic Navigator: Beyond the Basics

Storyteller

Move beyond naming planets and start understanding the mechanics of the universe. Learn to track orbital dances, decode the life cycles of stars, and navigate the invisible forces that shape our galaxy.

180 levels6hIntermediate
Metals: From Shiny Rocks to Superpowers course icon

Metals: From Shiny Rocks to Superpowers

Explain Like I'm 5

Discover why some metals explode in water while others stay shiny for centuries. Learn to spot the difference between a soda can and a spaceship wing without ever touching a calculator.

66 levels2h 12mBeginner
Quantum Physics: Beyond the Basics course icon

Quantum Physics: Beyond the Basics

Professor

Move past the 'weirdness' and start predicting how the subatomic world actually behaves. Master the mechanics of superposition, entanglement, and the technology that makes modern life possible.

175 levels5h 50mIntermediate
Mastering the Rules of the Universe course icon

Mastering the Rules of the Universe

Explain Like I'm 5

Stop memorizing random letters and start seeing the invisible patterns that move the world. Learn how to predict the future using the simple math behind speed, force, and energy.

175 levels5h 50mBeginner
Mastering Primate Taxonomy course icon

Mastering Primate Taxonomy

Bestie

Go beyond basic identification to master the complex evolutionary lineages and morphological nuances of the order Primates. From field identification to molecular phylogenetics, become an expert in the diversity of our closest relatives.

190 levels6h 20mAdvanced
The Science of Superstars course icon

The Science of Superstars

Storyteller

Discover the invisible forces that connect everything from a perfect soccer goal to the birth of a distant star. Learn how the same laws of physics govern your favorite snacks, elite athletes, and the entire universe.

24 levels48mBeginner
The Living Puzzle: Mastering Evolution course icon

The Living Puzzle: Mastering Evolution

Storyteller

Move beyond basic survival of the fittest to understand the complex dance of life. Discover how genes shift, why weird traits persist, and how the history of the Earth is written in our own DNA.

170 levels5h 40mIntermediate
Making Heavy Metal Fly course icon

Making Heavy Metal Fly

Explain Like I'm 5

Ever wondered how a massive steel tube stays in the sky? Discover the simple tricks of air and speed that turn heavy planes into graceful gliders.

26 levels52mBeginner
How Heavy Planes Stay Up course icon

How Heavy Planes Stay Up

Professor

Ever wondered how a massive metal tube carrying hundreds of people stays in the sky? Discover the simple tricks pilots use to turn air into a solid support system.

26 levels52mBeginner
Mind-Bending Science: From Chaos to Cosmos course icon

Mind-Bending Science: From Chaos to Cosmos

Explain Like I'm 5

Explore the wildest ideas in the universe, from cats that are both dead and alive to the invisible forces shaping our planet and beyond. Master the mysteries that keep even the world's smartest scientists awake at night.

175 levels5h 50mBeginner
Master Your Mind course icon

Master Your Mind

Professor

Unlock the secrets of your brain to change your habits, manage stress, and learn faster. Discover how your gray matter reshapes itself every time you think, feel, or act.

175 levels5h 50mBeginner
Mastering Motion: The Physics of Moving Things course icon

Mastering Motion: The Physics of Moving Things

Explain Like I'm 5

Stop just memorizing formulas and start predicting how the world moves. From launching projectiles to reading the hidden stories in graphs, you will master the language of motion used by NASA engineers and pro athletes alike.

165 levels5h 30mBeginner
The Art of Experimenting course icon

The Art of Experimenting

Bestie

Stop guessing and start discovering! Learn how to test your wildest ideas and turn everyday curiosity into real-world breakthroughs.

26 levels52mBeginner
Secrets of the Solar Neighborhood course icon

Secrets of the Solar Neighborhood

Explain Like I'm 5

Go beyond basic planet names to discover the strange behaviors and extreme environments of our closest neighbors. Learn why some planets spin backward, where it rains diamonds, and how gravity reshapes the worlds around us.

26 levels52mIntermediate
Navigating the Cosmos course icon

Navigating the Cosmos

Bestie

Move beyond the names of planets and dive into the mechanics of space travel, the life cycles of stars, and the strange behavior of time and gravity in the deep universe.

54 levels1h 48mIntermediate
Quantum Reality and Your Mind course icon

Quantum Reality and Your Mind

Bestie

Explore the surprising connection between subatomic physics and the power of intention. Learn how the science of possibility can change the way you view your daily life and future.

26 levels52mBeginner
Riding the Second Wind course icon

Riding the Second Wind

Explain Like I'm 5

Ever felt wide awake just as you were about to crash? Discover why your brain tricks you into a sudden energy burst and how to master your internal clock.

26 levels52mBeginner
The 5th Grade Explorer's Handbook course icon

The 5th Grade Explorer's Handbook

Bestie

Master the coolest skills of 5th grade by solving real-world mysteries. From decoding secret messages in stories to mapping out new worlds and calculating your way through a mission, you'll see how every subject connects.

26 levels52mBeginner
The Secret Life of Energy course icon

The Secret Life of Energy

Bestie

Discover how energy moves through everything from your morning snack to the stars in the sky. Learn to spot the invisible forces that make our world go round.

26 levels52mBeginner
Living on a Giant Spaceship course icon

Living on a Giant Spaceship

Bestie

Discover how our planet works as a perfectly balanced life-support system. Learn to read the landscape, predict the weather, and understand the massive forces moving beneath your feet.

26 levels52mBeginner
Living on the Red Planet course icon

Living on the Red Planet

Bestie

Ever wondered if you could actually survive on Mars? Discover how we'll find water, build homes in red dust, and search for signs of alien neighbors.

26 levels52mBeginner
The Secret Life of Everything course icon

The Secret Life of Everything

Bestie

Discover how the world works by solving real-life mysteries. From decoding hidden messages in stories to calculating the speed of a falling apple, you'll learn to see the math and science hiding in plain sight.

26 levels52mBeginner
The Living World Around You course icon

The Living World Around You

Explain Like I'm 5

Stop seeing just plants and animals and start seeing the invisible systems that keep life moving. Learn how your body works, how nature stays in balance, and the secrets hidden in your DNA.

54 levels1h 48mBeginner
The Body Electric: Signals and Systems course icon

The Body Electric: Signals and Systems

Professor

Discover how your body uses the laws of physics to move, think, and sense the world. Explore the hidden electrical circuits and wave patterns that keep your biological systems in sync.

24 levels48mIntermediate
Earth’s Cosmic Engine course icon

Earth’s Cosmic Engine

Bestie

Discover how our planet functions as a single, interconnected machine. From the deep ocean currents to the solar winds that shape our atmosphere, learn to read the signs of Earth's complex systems.

26 levels52mIntermediate
Earth and Space Science: The Final Push course icon

Earth and Space Science: The Final Push

Explain Like I'm 5

A high-speed review of the most critical concepts for your exam. Master the patterns of the stars, the movement of our planet, and the secrets hidden in the rock layers.

60 levels2hIntermediate
The Architecture of Life: Advanced Reproductive Science course icon

The Architecture of Life: Advanced Reproductive Science

Professor

Master the complex biological systems and hormonal feedback loops that drive human reproduction. From the precision of gametogenesis to the intricate signaling of the gestational environment, explore the science of how life begins.

30 levels1hAdvanced
Mastering the Building Blocks of the Universe course icon

Mastering the Building Blocks of the Universe

Professor

Stop memorizing names and start understanding how everything around you is built. From the air you breathe to the phone in your hand, discover how a few simple elements create our entire world.

108 levels3h 36mBeginner
Master Your Memory course icon

Master Your Memory

Explain Like I'm 5

Stop forgetting what you learn. Discover the science-backed secrets to making information stick in your brain forever using the power of sleep and smart practice.

170 levels5h 40mBeginner
Photosynthesis: Solar Power for Life course icon

Photosynthesis: Solar Power for Life

Bestie

Go beyond the basics of 'sun meets leaf' to discover how plants actually capture light and turn it into fuel. Learn how the green world breathes and powers almost every living thing on Earth.

26 levels52mIntermediate
Advanced Molecular Engineering & Synthetic Biology course icon

Advanced Molecular Engineering & Synthetic Biology

Bestie

Master the art of rewriting the code of life from CRISPR-Cas9 precision to de novo protein design. This course bridges the gap between laboratory theory and the cutting edge of clinical and industrial biotechnology.

170 levels5h 40mAdvanced
The Science of Heat Transfer course icon

The Science of Heat Transfer

Professor

Ever wonder why a spoon gets hot in soup or how a toaster works without touching your bread? Explore the physics of how energy moves through atoms, fluids, and empty space.

26 levels52mBeginner
The Science of Cancer Survival course icon

The Science of Cancer Survival

Bestie

Discover how your body's internal repair crews and immune system work together to fight off rogue cells. Learn why genetic differences make every person's battle with cancer unique.

26 levels52mBeginner
The Tiny World Inside Everything course icon

The Tiny World Inside Everything

Professor

Ever wonder what you're actually made of? Discover how tiny invisible building blocks snap together to create the entire universe, from your morning toast to the stars above.

26 levels52mBeginner
Quantum Physics for the Curious course icon

Quantum Physics for the Curious

Professor

Ever wonder how a particle can be in two places at once? Discover the strange rules of the tiny world and how they power the technology in your pocket.

26 levels52mBeginner
Hack Your Own Brain course icon

Hack Your Own Brain

Professor

Stop fighting your biology and start working with it. Learn how your brain builds habits, handles stress, and creates the world you see every day.

26 levels52mBeginner
Mastering the Map: Topography and Terrain course icon

Mastering the Map: Topography and Terrain

Professor

Go beyond flat paper to see the world in 3D. Learn to predict the shape of the land, find the best path through the wilderness, and understand how water carves the earth.

54 levels1h 48mIntermediate
The Mystery of Ball Lightning course icon

The Mystery of Ball Lightning

Explain Like I'm 5

Explore the strange glowing orbs that float through walls and baffle scientists. Learn about the history, sightings, and the science behind this rare weather phenomenon.

54 levels1h 48mBeginner
The Flow of Power course icon

The Flow of Power

Explain Like I'm 5

Ever wonder why a lightbulb glows or how your phone charges? Learn the simple math behind electricity by imagining it as water flowing through pipes.

26 levels52mBeginner
The Secret Life of Clouds course icon

The Secret Life of Clouds

Storyteller

Ever wonder why clouds stay up in the sky or why they change shape? Discover the hidden science behind the fluffy white shapes floating above your head.

26 levels52mBeginner
The Power of a Decade course icon

The Power of a Decade

Bestie

Discover how much the world can change in just ten years. From your own body's growth to the way technology transforms our daily lives, explore the magic of a decade.

26 levels52mBeginner
Praxis 7001: Elementary Education Mastery course icon

Praxis 7001: Elementary Education Mastery

Explain Like I'm 5

A comprehensive guide to passing the Praxis 7001 by mastering core subjects through memory tricks and deep conceptual connections. Learn to spot the right answers using proven mnemonics and expert test-taking strategies.

88 levels2h 56mAdvanced
Atmospheric Dynamics: Weather & Climate course icon

Atmospheric Dynamics: Weather & Climate

Professor

Go beyond the daily forecast to master the complex physics of our atmosphere. Explore the mechanics of global wind patterns, the lifecycle of extreme storms, and the long-term drivers of climate change.

54 levels1h 48mIntermediate
Dinosaurs: Rulers of the Earth course icon

Dinosaurs: Rulers of the Earth

Comedian

Travel back millions of years to meet the most incredible creatures to ever walk the planet. Learn how they lived, what they ate, and why they eventually disappeared.

54 levels1h 48mBeginner
Exploring Our Solar System course icon

Exploring Our Solar System

Explain Like I'm 5

Take a trip through space to meet our sun and the planets that circle it. Learn what makes each world special and how we explore the stars from Earth.

54 levels1h 48mBeginner
How Your Body Works course icon

How Your Body Works

Explain Like I'm 5

Ever wonder what's happening inside you right now? Discover how your heart pumps, how you breathe, and how your brain controls everything you do in this simple guide to the human body.

54 levels1h 48mBeginner
The Moving Earth course icon

The Moving Earth

Explain Like I'm 5

Discover why our planet is constantly shifting and shaking. Learn how deep heat and moving plates create giant mountains and powerful tremors.

26 levels52mBeginner
The Ocean Deep course icon

The Ocean Deep

Pirate

Dive beneath the waves to discover the mysterious world of the deep sea. Learn about strange glowing creatures, massive underwater mountains, and how life survives in the dark.

54 levels1h 48mBeginner

Why learn science on Tomo?

Wikipedia rabbit holes and YouTube videos rarely stick. Tomo turns science into bite-size lessons with quizzes and streaks, so what you learn actually lands, and you actually finish. Five minutes a day, taught in a voice you pick.

Questions

Are the Science courses on Tomo free?

Yes. Every Science course is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist.

What science courses can I take on Tomo?

The Mechanics of the Cosmos, How the Physical World Works, Quantum Physics for the Real World, Powering the Modern Grid, What Happens After Death, The Dog Stars: A Canine Guide to the Cosmos, The Secret Life of Crystals, and Clinical Anatomy: The Geometry of Access, plus 195 more. Every one is free to play and built as a game, and new science courses get added all the time.

How does Tomo teach science?

Tomo turns each science topic into a gamified course: levels, streaks, and quick quizzes you play five minutes a day. You pick the teaching style, from a clear Professor to a playful Storyteller.

Can I create my own science course?

Yes. If you don't see the science topic you want, type it into Tomo and it builds a full course for you in a couple of minutes.

Start free

Feed your curiosity.

Download Tomo and start your first science lesson today.