Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
When your face blushes, the lining of your stomach turns red, too.
154
A fetus develops fingerprints at eighteen weeks!
32
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
You have no sense of smell when you're sleeping!
72
It takes about 20 seconds for a red blood cell to circle the whole body.
102
During menstruation, the sensitivity of a woman's middle finger is reduced.
47