1- A cloud weighs around a million tonnes.
2- Identical twins don’t have the same fingerprints.
3- Mount Everest isn't the tallest mountain on Earth.
4- It only takes six minutes for alcohol to affect your brain.
5- Somewhere between 50% and 80% of earth's living organisms are in the ocean.
6- Animals can also be allergic to humans.
7- Finland has ranked as the happiest country in the world for 7 years straight.
8- Octopuses have three hearts.