Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A cesium atom in an atomic clock beats over nine billion times a second.
43
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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 inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Pure water (H2O) does not conduct electricity on its own.
46
The bark of an older redwood tree is fireproof.
65