Nearly 50% of the world's scientists are assigned to military projects.
71
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A cesium atom in an atomic clock beats over nine billion times a second.
43
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15