70% of life on Earth consists of bacteria.
Oysters can change their sex from male to female. They can do this countless times.
In the middle ages, nutmeg was the most expensive spice. Not because of the taste and smell, but because of the belief that it protected against the plague.
The average mosquito has 47 teeth.
The hippo can run faster than a man.
Right-handed people on average live nine years longer than left-handed people.
