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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
No matter how cold it gets, gasoline will not freeze.
107
Pure water (H2O) does not conduct electricity on its own.
46
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The smell of freshly cut grass is actually a plant distress call.
31
Sound travels about 4 times faster in water than in air.
408