The first patented condom was meant to be reused!
47
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
The average person's skin weighs twice as much as their brain.
131
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
More people have a phobia of frogs than rats.
41
Music has the ability to repair brain damage and return lost memories.
62
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
One quarter of the human brain is used to control the eyes.
43