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
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The smell of freshly cut grass is actually a plant distress call.
31
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0