Pumice is the only rock that floats on water.
14
The force of a suction cup is calculated using F=AP.
15
Scientists are now able to grow 'beating' heart tissue in a lab!
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
One cubic foot of gold weighs more than 1,200 pounds!
78
Iron weighs more after it rusts.
68
Sound at the right vibration can bore holes through a solid object.
134
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