Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists aren't sure what color dinosaurs were.
312
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 earth is approx. 6,588,000,000,000,000,000 tons.
175
Out of all the senses, smell is most closely linked to memory.
146
For every gallon of sea water, you get more than a quarter pound of salt.
45
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If the chemical sodium is dropped into water it will immediately and violently explode.
67