Public Library of Science

Why has synesthesia survived evolution?

In the 19th century, Francis Galton noted that certain people who were otherwise normal "saw" every number or letter tinged with a particular color, even though it was written in black ink. For the past two decades researchers ...

Nov 22, 2011
popularity0 comments 0

Three important things you didn't know about diabetes

When we think of diabetes, we tend to think of rich people with poor lifestyles. A chronic disease linked with obesity, heart disease and worse outcomes for some infectious diseases, diabetes tends to be associated in our ...

May 21, 2015
popularity34 comments 2

Sense of justice built into the brain

A new study from the Karolinska Institute and Stockholm School of Economics shows that the brain has built-in mechanisms that trigger an automatic reaction to someone who refuses to share. In the study publishing next week ...

May 03, 2011
popularity0 comments 17

The healing power of hydrogen peroxide

New information has come to light explaining how injured skin cells and touch-sensing nerve fibers coordinate their regeneration during wound healing. UCLA researchers Sandra Rieger and Alvaro Sagasti found that a chemical ...

May 24, 2011
popularity0 comments 1