Extras
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Learn about Marlee Matlin, Oscar-winning actress and champion of the Deaf community.
Marlee Matlin refused to allow a hearing actor to play her Deaf husband in the 2021 film “CODA.”
Marlee Matlin visits the house she grew up in Morton Grove, Illinois.
Follow ancient humans’ journey into an icy and perilous new land.
The Xudum pride works together to bring down a huge buffalo, but things don't go according to plan.
A new generation of lions, cheetahs, and leopards comes of age in Botswana’s Okavango Delta.
Phil Sharp’s RNA breakthrough sparked a revolution in science, health, and biotech.
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Lediba shows off her incredible agility while hunting monkeys high above the ground in the treetops.
Latest Episodes
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Be Smart Season 13
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Be Smart Season 12
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Be Smart Season 11
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Be Smart Season 10
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Be Smart Season 9
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Be Smart Season 8
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Be Smart Season 7
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Be Smart Season 6
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Be Smart Season 5
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Be Smart Season 4
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Be Smart Season 3
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Be Smart Season 2
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Be Smart Season 1
Seedless fruits are delicious, convenient… and completely unnatural.
What does randomness really mean? And why your digital life depend on it?
Why do we have different blood types? And why do we have blood at all?
How did dinosaurs become birds—and what good is half a wing?
The key enzyme behind photosynthesis isn’t actually all that great at its job.
The oldest rocks on Earth are more than just ancient—they’re time machines!
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
Insects and birds have an awesome superpower that repels water and keeps them airborne in the rain.
Why do some people taste music or hear colors? Let’s talk about synesthesia.