Earth's rotation reaches a speed of half a kilometer per second.
When the Moon is directly above you, your weigh slightly less than usual.
In 100 grams of butter, there are three times more calories than in the same amount of meat.
Isaac Newton was kicked out of school. He was expelled as a teenager at the request of his mother, who wanted him to become a farmer.
The oldest city in France, Marseille was founded by the Greeks around 600 BC.
Cows sleep almost as long as humans.
