Scientist Rob DeSalle answers kids' questions about the brain!
Try this trippy experiment to fool your brain!
Use Braille to create a message for a friend.
What you see and what you think you see are different things. Find out what your brain doing behind-the-scenes!
We see with our eyes, but our brains do most of the work. Watch what happens when light bounces off an object and enters your eye.
Explore your nerves by creating a life-sized drawing.
See how good you're at recognizing emotions.
How fast can you catch a falling ruler? Measure your reaction time.
Examine fossils and gather clues from experts!
Defend against bad microbes while protecting the good ones in this Minecraft map of the human body.
Archaelogist David Hurst Thomas answers kids' questions.
Take the jellybean test to see how your sense of smell enhances taste.
Take your imagination on a wonderful, mind-bending trip with these "thought experiments"!
Make a 3D diorama! All you need are pasta, Play-Doh, pipe cleaners, pom-poms, and hair curlers.
Is this animal a tadpole, frog, salamander, or lizard? Take a guess!
How do mammals respond to cold water? Take the plunge into icy water and find out.
How much do you know about the Age of Dinosaurs?
Can you match these marine animals with their baby pictures?
Create a flounder fish that's hard to spot!
Ancient trash or ancient treasure? This archaeologist tells us which he prefers.
Find out why Alice in Wonderland is Mandë's favorite poison story.
Explore this family tree of living things on Earth.
Paleontologist Mark Norell answers questions about T. rex.
What does it mean to be human?
In these videos, a biologist introduces us to the microbes that live all around us.
There are no "brain" .
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