natural selection

Our eyesight isn’t great. We get colds easily. It’s hard for us to reproduce. Biologist Nathan Lents catalogues the body’s numerous problems… and what they can tell us about ourselves. Read More...

A human gazes at a possible ancestor

Forget about the Six Million Dollar Man. We already have the technology to become better, stronger, and faster. Academic and businessman Juan Enriquez explains how we’re all going through unnatural selection. Read More...

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