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For decades, the Øresund Bridge has connected the Danes with their brothers and sisters in Sweden. But the How familiar ...

Clothes drying: In Norway, Sunday is literally considered a public holiday – therefore it is forbidden (in some places) to hang ...

Columba: Pigeon is a broad term for pigeons in the genus Columba. The most common pigeon in the western world is ...

Name: The whale shark’s name comes from its enormous size (a shark the size of a whale = whale shark). Its ...

Victims: Earthquakes kill around 8,000 people every year and are estimated to have killed around 13 million people in the last ...

Free energy: Solar energy is a free energy resource that we have been able to harness to produce electricity for the ...

The history of solar cells: The solar cell was invented 100 years ago, but has only been an efficient energy source ...

Weight difference: Hot water is heavier than cold water The Middle Ages: I Middle Ages people drank more beer than water because most water ...

Fear of heights: All humans can cross a 1 m long and 30 cm wide board on the floor, but only ...

Fear of heights: Anyone can cross a 1 m long and 30 cm wide board lying on the floor – but ...