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
Phobatrivaphobia is fear of trivia about phobias.
39
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
People who sleep late have more mental stamina and can outperform early risers.
33
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197