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The story of Nepal's first female nature guide and her fight to save the country's wildlife.

Cheri Lindsay and her father Phillip talk about the rare skin condition they share called vitiligo.

Descubre la ciencia de la nieve y su papel vital en nuestros ecosistemas.

Descubre los secretos de la Titanoboa, la serpiente más grande que haya existido.

Jeremy Sicile-Kira uses painting to transcend his disability and communicate his dreams.

Remember the line from Dirty Dancing: “Nobody puts Baby in a corner?” Well, nobody should put Gemini in a corner either, because if a Gemini gets bored…

Hari interviews Miles on the science of sleep.

Learn why Egyptian hieroglyphs are hiding in modern alphabets—and how to find them.

The Apollo 8 spacecraft—and its mission—marked a revolution in spaceflight.

How does lead poisoning damage the brain—and can we stop it?