The average human body contains enough iron to make a small nail.
50
When a person dies, hearing is usually the last sense to go.
124
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
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
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15