How fish fins evolved to become fingers

New research out of the University of Chicago provides insight into one of the most important evolutionary developments for humans: fingers.

How did primates’ brains get so big?

Primate brains are large, compared to other animals, but even when primates themselves were small, their brains started to get big.

For some birds, color is a mixed blessing

Natural selection is at work in making the cap on female red-capped plovers dull while that on males of the species has remained brightly colored.