In the year 1900, the number of human population was 1.5 million, of whom a quarter lived in Europe.
Hawaii is the only US state that grows coffee.
All the bees in the world visit 3 trillion flowers every day, producing around 3,000 tons of honey.
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.
One day on the Moon lasts for 700 hours, or nearly 30 Earth days.
Grand piano consists of about 12.000 parts.
