Nylon is made from coal and petroleum.
42
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The average temperature at 40,000 feet above sea level is -60 F.
56
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310