Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
For every gallon of sea water, you get more than a quarter pound of salt.
45