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.

Retinas at risk from laser pointers

Some inexpensive (and no doubt well-used) laser pointers may damage students' retinas if used improperly or if insufficient safety precautions are taken.

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.