machine learning teacher assistant
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Meet the alphabet! Learn letters and the sounds they make.
Travel back 5,000 years to the banks of the Nile and discover how one river built a civilization.
Discover animals and their homes! From farms to oceans to jungles.
Zoom into the atom and discover why the periodic table is the most powerful cheat sheet in science.
Discover how cells work — from membranes to mitochondria — and why every living thing depends on them.
Examine the evidence for climate change, understand the mechanisms, and evaluate what we can do about it.
Learn how artists use color to create mood, depth, and meaning — from the color wheel to masterworks.
Find colors and shapes everywhere you look! A first lesson for little learners.
Count along with us! A first numbers lesson for little learners.
Decode the molecule that builds every living thing — from bacteria to blue whales.
Learn about feelings — happy, sad, mad, scared — and how to be a good friend.
Master fractions through real-world examples — cutting pizza, sharing candy, and building toward algebra.
Calculate areas of 2D shapes, volumes of 3D solids, and plot points on the coordinate plane.
Learn about points, lines, rays, angles, and how to find symmetry in shapes.
Explore congruence, similarity, geometric transformations, and the foundations of trigonometry.
Find circles, squares, triangles, and rectangles in the world around you.
Learn to solve equations step by step — the foundation of all higher mathematics.
Sharpen your mind with the tools philosophers have used for 2,500 years to find truth and spot nonsense.
Understand the building blocks of every song ever written — from Bach to Beyonce.
Learn about your amazing body! From your head to your toes and everything in between.
Understand the three laws that govern everything from falling apples to orbiting planets.
Learn what food actually does inside you — and why the best diet is simpler than the internet makes it seem.
Learn to argue like a lawyer and write like a journalist — the art of changing minds with words.
Discover why continents drift, mountains rise, earthquakes shake, and volcanoes erupt — the engine beneath your feet.
Read and analyze Robert Frost's classic poem about choices and their consequences.
Learn the math behind luck — from coin flips to card games to predicting the weather.
Explore the science of remembering and forgetting — and learn why your brain is both amazing and unreliable.
Discover the 2,500-year-old formula that connects geometry to the real world — from construction to GPS.
Write your first Python programs — print, variables, input, and logic.
Confront the most famous question in literature — and discover why a 400-year-old play still speaks to us.
Understand the invisible force that sets every price — from sneakers to streaming subscriptions.
Understand the document that created a government — and the amendments that keep it alive 230+ years later.
Sun, rain, snow, and wind! Learn about weather and the four seasons.
Examine the key moments that decided the largest conflict in human history — and the world it left behind.