The earth is approx. 6,588,000,000,000,000,000 tons.
175
The sun is 330,330 times larger than the earth.
75
Nearly 50% of the world's scientists are assigned to military projects.
71
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
The force of a suction cup is calculated using F=AP.
15
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Iron weighs more after it rusts.
68