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 province of Alberta, Canada is free of the common rat.
33
Caffeine boosts memory.
405
Scientists are excavating the ruins of a major civilization which pre-dates both the pyramids and Stonehenge by over 7,000 years. In 15 years, they have uncovered only about 5% of the site.
21
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Real diamonds do not show up on x-ray.
36