The first real airport was built in the Croydon near London in 1928.
Scientists claim that every 14 days one language dies. By the end of the 21st century, it is likely that almost half of the approximately 7.000 languages will disappear.
It takes no more than 20 moves to solve the Rubik’s Cube.
When two lovers kiss, nerves send signals to the brain at the speed of 128 kilometers per hour.
Of all the animals, lynx has the sharpest hearing. In the deepest of sleep, they can hear the slightest sound coming from afar. This beast hears so well thanks to its “tufts” on the top of its ears that serves as a kind of antenna.
The first city in the World that has reached one million inhabitants was Rome, around 133 BC. London got its one million inhabitants in 1810, and New York in 1875. Today, there are over 300 cities with more than a million inhabitants.
