Extras
An intimate portrayal of three families confronting the unique challenges of Alzheimer’s.
Preview:
S26
E17
|
0:30
The story of how public libraries came to be free and open for all Americans—and remain so.
Preview:
S26
E16
|
0:30
The dynamic story of funk music, from early roots to the explosion of '70s urban funk to influences.
Preview:
S26
E15
|
0:30
Dr. M. Sanjayan investigates the largest river restoration ever attempted in the United States.
Preview:
S4
E1
|
0:30
After the drought, the rains finally come. But can Katavi survive the flooding?
Preview:
S43
E12
|
0:30
The sisters welcome a new postulant, Sister Catherine, to Nonnatus House.
Preview:
S14
E4
|
0:30
Boccherini played around with the cello's range with these experimental compositions.
Clip:
S52
E12
|
4:56
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Preview:
S52
E8
|
0:30
Art Spiegelman’s “Maus” was featured in the comic book “Funny Aminals” in 1972.
Clip:
S39
E3
|
1:40
Art Spiegelman later depicted the Twin Towers falling in his comic, “In the Shadow of No Towers.”
Clip:
S39
E3
|
1:21
Latest Episodes
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Be Smart Season 13
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Be Smart Season 11
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Be Smart Season 10
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Be Smart Season 8
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Be Smart Season 6
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Be Smart Season 3
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Be Smart Season 2
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Be Smart Season 1
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
Episode:
S13
E2
|
17:11
Insects and birds have an awesome superpower that repels water and keeps them airborne in the rain.
Episode:
E1
|
11:06
Why do some people taste music or hear colors? Let’s talk about synesthesia.
Episode:
S12
E18
|
12:28
How a chemical in lizard spit inspired one of the most important medical advancements.
Episode:
S12
E17
|
14:35
These diamond makers create one of the most amazing materials on Earth — from dead people.
Episode:
S12
E16
|
12:15
Learn nature’s ultimate game of hide-and-seek, and the way to win this game is all in the brain.
Episode:
S12
E15
|
11:20
Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation.
Episode:
S12
E14
|
11:17
Political scientist Don Green joins Joe to figure out the complex psychological and social factors t
Episode:
S12
E13
|
12:40
Why do certain sounds make some of us so upset?!
Episode:
S12
E12
|
16:27
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.
Episode:
S12
E11
|
11:43