Sloths take two weeks to digest their food.
243
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
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
A strawberry is not a berry, but a banana is.
22