When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
The lense of the eye continues to grow throughout a person's life.
34
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
The average sperm cell swims at 8 inches per hour.
76
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
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
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
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160