Extras
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
Sister Monica Joan readies herself to say goodbye to her home — Poplar.
Rosalind and Cyril pay Sister Monica Joan a visit.
Fireflies are a captivating phenomenon to witness on the prairie.
Nature’s rhythms; from fireflies flashing to cicadas emerging after years underground.
In California, sweet potatoes are the secret ingredient in award-winning vodka.
On Farm to Fork, we’ll learn how to make a sweet salad featuring candied oranges.
In Wisconsin, some “sassy cows” create special kinds of cheese and ice cream.
Iowa is definitely where the corn grows, but these Iowa farmers are making Hawkeye State wine.
Fred expresses his concerns about Sister Monica Joan declining health.
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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?