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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
AI’s environmental impact is more complex than it seems. Who pays the price, and how much?
What if you could turn the same material into a conductor, insulator, or magnet just by twisting it?
Why can hot water sometimes freeze faster than cold water?
How science unraveled one of the biggest myths in modern medicine...HIV's true origins.
I pushed my body in a climate & sports research lab to discover what extreme heat really does to us.
What exactly is the evolutionary purpose of love?
If everything around us is made of atoms, why can’t we actually see them?
This video explores the bizarre mathematics that show how infinity is far stranger than a number.
How Gerardus Mercator later created a map that transformed navigation forever.
DNA solves crimes, but what happens when it sends innocent people to prison?
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AI’s environmental impact is more complex than it seems. Who pays the price, and how much?
What if you could turn the same material into a conductor, insulator, or magnet just by twisting it?
Why can hot water sometimes freeze faster than cold water?
How science unraveled one of the biggest myths in modern medicine...HIV's true origins.
I pushed my body in a climate & sports research lab to discover what extreme heat really does to us.
What exactly is the evolutionary purpose of love?
If everything around us is made of atoms, why can’t we actually see them?
This video explores the bizarre mathematics that show how infinity is far stranger than a number.
How Gerardus Mercator later created a map that transformed navigation forever.
DNA solves crimes, but what happens when it sends innocent people to prison?