The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
When you shave a guinea pig it looks like a little hippo.
19
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12