Condoms were originally made of animal intestines or linen.
347
Cows can sleep standing up, but they can only dream lying down.
745
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The elephant brain weighs about 6,000g.
274
Dolphins have names for one another.
18
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19