Extras
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
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.
Parenthood is the ultimate journey, full of danger.
Discover the ingenuity, vision, and masterful talent of some of our most extraordinary artisans.
Discover the ingenuity, vision, and masterful talent of some of our most extraordinary artisans.
See how jungle animal parents raise children by mastering their environment.
Violinist Allison Taylor traveled to India, where she realized she didn't know about the instrument.
Barbara Jordan’s voice shook the nation. Discover her story in The Inquisitor.
AARP’s Movies for Grownups hosted by Alan Cumming.
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Be Smart Season 13
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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?