Episodes
All
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All
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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
How thousands of tiny brains, obeying simple rules, solve problems no individual can understand.
Joe visits a flavor lab to uncover how our senses shape our taste.
Here is the REAL science about "alpha males."
How did the mass extinction of the dinosaurs play out, moment by moment?
Think traits like eye color or tongue-rolling are simple genetics? Think again.
Why is the Martian sky red by day… but blue at sunset?
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?
Extras
Understanding eating disorders and anxiety through the eyes of teens and their families.
One woman exposes abuse within Amish communities and helps survivors find the strength to speak out.
The new season kicks off in 1971 as several of the ladies embrace Women’s Lib.