A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists aren't sure what color dinosaurs were.
312
The smell of freshly cut grass is actually a plant distress call.
31
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17