Condoms were originally made of animal intestines or linen.
347
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Giant Anteaters' front legs look like a panda.
48
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8