A cloud weighs around a million tonnes.
Giraffes are 30 times more likely to get hit by lightning than people.
Identical twins don't have the same fingerprints.
Earth's rotation is changing speed.
The largest piece of fossilised dinosaur poo discovered is over 30cm long and over two litres in volume.
Animals can experience time differently from humans.
A chicken once lived for 18 months without a head.
Wearing a tie can reduce blood flow to the brain by 7.5 per cent.
Ants don't have lungs.
Avocados are a fruit, not a vegetable.
Australia is wider than the moon.
Human teeth are the only part of the body that cannot heal themselves.
The heart of a shrimp is located in its head.