Blue and fin whales can create the loudest sound by animals ever recorded. See more

Hot water weighs less than cold water for a given volume. See more

Women blink nearly twice as much as men. See more

Stewardesses is the longest word typed with only the left hand. See more

10% of human dry weight comes from bacteria. See more

The longest word in the English language is 1909 letters long and it refers to a distinct part of DNA. See more

We lose half a litre of water a day through breathing. See more

Over 10,000 birds a year die from smashing into windows. See more

Venus is the only planet in the solar system to spin backwards. See more