The earth is approx. 6,588,000,000,000,000,000 tons.
175
Nearly 50% of the world's scientists are assigned to military projects.
71
Aluminum used to be more valuable than gold!
84
The bark of an older redwood tree is fireproof.
65
Cold water weighs more than hot water.
93
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55