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
Human thigh bones are stronger than concrete!
63
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
A man's beard grows fastest when he anticipates sex.
239
Your ears secrete more earwax when you are afraid than when you aren't.
229
Your heart beats over 100,000 times a day!
54
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46