Ski jumping originated in Morgedal, Norway, but the first actual competition was held in Trysil in 1862.
When did the first atomic clock appear?
The first atomic clock was built in 1949 in the USA. But the first accurate atomic clock was made in England by Louis Essen in 1955 and was based on the emitted signal of the cesium-133 atom.
How many sperm cells does the man produce?
In 1 second, the man normally produces 10,000 sperm cells; 600,000 per minute; 36,000,000,000 per hour; 864,000,000,000 per day; 315,360,000,000,000 per year.
How much sand is there in Råbjerg Mile?
There are approximately 4 million m3 of sand in the dunes in Råbjerg Mile.
How did the Yakatan Peninsulas name come about?
When Cortez asked the Mayans in Spanish what their country was called, they said “ya ca tan” (we don’t understand). That’s where the Yakatan Peninsula got its name.
Diving ducks and eider ducks should not be caged
Diving ducks and especially eider ducks cannot be bred in captivity as they will only feed in 5 meters of water. The birds therefore often die of starvation in captivity.
What are the fastest birds in the world?
The world’s fastest bird; The white-breasted kite flies at 171 km/h; The peregrine falcon plummets at up to 320 km/h; The ostrich runs at around 65 km/h; The Gentoo penguin swims at up to 35 km/h.
How many Danes look in each other’s bathroom cabinets?
Around 45% of all Danes look in other people’s bathroom cabinets.
How many pregnant women experience morning sickness?
Morning sickness is experienced in 50-85% of pregnant women, the cause is unknown.