selfish gene

Does Kin Selection Explain Altruism?

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.

The Best Stuff We've Read This Week

Each week, Chuck and Josh read tons of articles. Here are the best of the bunch. Enjoy them with our compliments.