Ingrown toenails are hereditary.
15
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
In the average lifetime a person will breath in about 44 pounds of dust.
21
Surgeons who listen to music during operations perform better than those who don't .
87
Only 1% of bacteria cause disease.
45
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15