Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One cubic foot of gold weighs more than 1,200 pounds!
78
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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 gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The earth is approx. 6,588,000,000,000,000,000 tons.
175