People who sleep late have more mental stamina and can outperform early risers.
33
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
By weight, Bone is five times stronger than steel.
417
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Your heart rate can rise as much as 30% during a yawn.
69
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
In the average lifetime a person will breath in about 44 pounds of dust.
21
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