The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Nearly 50% of the world's scientists are assigned to military projects.
71
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
For every gallon of sea water, you get more than a quarter pound of salt.
45
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
No matter how cold it gets, gasoline will not freeze.
107
The average home creates more pollution than does the average car.
33
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44