On our planet, 5 kilograms of diamonds are found every day.
The weight of a diamond is measured in carats, and one carat is 0.2 grams. The heaviest diamond that has ever been found to this date is weighed 621 grams or 3105 carats.
A four-year-old child will, on average, ask about 437 questions a day.
Sharks will change their sharp triangle teeth (in five rows) continuously throughout their lifetime. They can change up to thirty thousand teeth. It is believed that the bite force of a white shark is equal to three tons.
The first country to give women the right to vote was New Zealand in 1893.
Cows sleep almost as long as humans.
