Famous composer Ludwig van Beethoven (1770-1827), died of a liver failure. The researchers found that by examining the DNA of one of his strands of hair.
Every second the Earth is struck about hundred times by lightning, while four times more lightnings flash in the sky. Lightning can be anywhere from 60 meters to 30 kilometers long.
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.
The first real airport was built in the Croydon near London in 1928.
Swallows will fly all day in search of insects and sometimes they will fly more than 800 kilometers.
The first ice cream was made in the 18th century in the Sicilian town of Taormina with the help of snow from the slopes of Mount Etna, the only live volcano in Europe.
