Pure water (H2O) does not conduct electricity on its own.
46
The average temperature at 40,000 feet above sea level is -60 F.
56
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
Your brain is 80% water.
525
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Scientists aren't sure what color dinosaurs were.
312
German chemists made a replica of a trophy the size of one molecule.
68