0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
No matter how cold it gets, gasoline will not freeze.
107
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
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Hot water can freeze faster than cold water.
181
Pumice is the only rock that floats on water.
14