In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The smell of freshly cut grass is actually a plant distress call.
31
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
German chemists made a replica of a trophy the size of one molecule.
68
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17