Summer on Uranus lasts for 21 years.
358
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 Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
13
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Donkeys kill more people annually than plane crashes.
927
A pig's orgasm lasts for 30 minutes.
303