Lurch, a Watusi bull, had the largest horns in the world.
32
Condoms were originally made of animal intestines or linen.
347
Dolphins have names for one another.
18
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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