Stuff You Should Know


Society & Culture

Chart Positions

Society & Culture 3
Top 200 7

How do landfills work? How do mosquitos work? Join Josh and Chuck as they explore the Stuff You Should Know about everything from genes to the Galapagos in this podcast from HowStuffWorks.com.

Does Kin Selection Explain Altruism?

April 21st, 2016

Episode 897 of 951 episodes

There’s a curious puzzle unanswered by the theory of evolution: why do some animals give up their chance to reproduce to help others reproduce instead? For decades biologists have suggested family was the reason, but that has recently been challenged.