Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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 sun is 330,330 times larger than the earth.
75
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The average temperature at 40,000 feet above sea level is -60 F.
56
Research indicates that plants grow healthier when they are stroked.
173
Sound at the right vibration can bore holes through a solid object.
134