When a man blows his nose, the air speed that comes out under pressure reaches 160 km per hour.
Only 25 cm of water is sufficient to move heavy objects, even cars.
In Denmark there is a special military unit that uses dog sleds for official transport.
The oldest city in France, Marseille was founded by the Greeks around 600 BC.
Geese were the first birds domesticated by man.
Wolfgang Amadeus Mozart is considered one of the most prolific composers of classical music. By the time he reached thirty-five, he wrote about a thousand compositions.
