Extras
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
Cyril and Rosalind discuss his upcoming divorce.
Rosalind surprises Cyril when he shares his plans for their weekend away.
Follow filmmaker Julie Forrest Wyman as she searches for her place in the little people community.
Rosalind faces a troubling domestic issue as Joyce befriends a single mother with placenta previa.
Everyone is talking about the time capsule, including the women of Nonnatus House.
The Turner children are hard at work planning their time capsule.
Sister Catherine finds the perfect way to ensure Nonnatus House is never forgotten.
Phyllis shares a touching time capsule message with Miss Higgins.
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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?
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?