Explore Activities

"Cold" metal and "warm" wood may be the same temperature.

They're a menace to ships, but life thrives in these frozen oases.

Get electricity from light.

Speed up geologic time with a sedimentary squeeze.

See living stem cells and find out why they are the "stem" from which all other cells develop.

So close, yet so far away.

There’s more to seeing than meets the eye.

Distort your vision and see what your brain learns.

Explore the twinkling of stars by beaming a laser pointer over a hot plate.

Seasoned gardeners depend on a community of bacteria, worms, and insects to get the most out of their plantings. Find out why.

Just spew it—build your own cyclic hot water fountain.

This surprising instrument is fun to make—and even more fun to play.

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