In the average lifetime a person will breath in about 44 pounds of dust.
21
Human hair and fingernails continue to grow after death.
7
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
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
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164