Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The force of a suction cup is calculated using F=AP.
15
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Pumice is the only rock that floats on water.
14
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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61