The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
4
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
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
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
In Nepal, cow dung is used for medicinal purposes.
19
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21