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Why Your Grandma Is an Evolutionary Mystery

Season 13 Episode 2 | 17m 11s

This is one of the weirdest mysteries of human evolution: Why do we have grandmas? From menopause to our slow maturation and super-long lifespans, humans are quite unique in the animal kingdom. Could grandma be an evolutionary secret weapon? Or is she just a quirky side effect of living long lives?

Aired: 03/20/25
Extras
A man dies on a bus and Bea is warned off the case, but she refuses to stop investigating.
A body disappears from the morgue. Patience has a connection to the case.
The competition returns to Nashville as eight home cooks compete to win "The Great American Recipe"!
Sixty million American bison once thundered across the prairies of North America.
A bestselling crime writer is found dead behind locked doors and all is not as it seems.
A body in a museum exhibit leads the team into the shadowy world of fossil smuggling.
Discover Hannah Arendt, one of the most fearless political writers of modern times.
Hannah Arendt came up with the concept of “the banality of evil” during the trial of Adolf Eichmann.
Hannah Arendt was teaching at Berkeley when McCarthyism took hold of the United States.
Hannah Arendt became a stateless person in 1933 upon fleeing Germany to France.
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