14818. Science Facts

Scraping mould off your food doesn't get rid of it – behind the fuzzy part you can see, strings extend into the food up to nine times the length of the visible part.

14819. Science Facts

If you draw pictures in the condensation on a window, the picture will reappear next time the window mists over as a layer of grease from your skin stays on the glass and repels the water.

14820. Science Facts

Earthworms bring 4 million kilograms (8.8 million pounds) of earth to the surface on every square kilometre (0.38 square miles) of open ground each year.

14821. Science Facts

In the 1600s, spiders rolled in butter were recommended as a cure for malaria.

14822. Science Facts

There have been several recorded cases of spontaneous human combustion (people who apparently burst into flames for no good reason). Sometimes, all that is left is a burnt patch and perhaps a foot or some singed clothing.

14823. Science Facts

A medieval cure for stammering was scalding the tongue with a red-hot iron. It didn't work...

14824. Science Facts

Rats trained to look for landmines are so light that they don't trigger the mechanism if they tread on one. Instead, they scratch and bite at the ground when they smell explosives, and the handler deals with the mine.

14825. Science Facts

If you fall off a very high cliff or building, the fastest speed you will ever fall at is around 200 kilometres (124 miles) per hour.This is called terminal velocity, and it's enough to make a nasty splat.

14826. Science Facts

Bird droppings are the main export of the island Nauru in the western Pacific Ocean.They're used for fertilizer, as they're rich in the chemical nitrogen.

14827. Science Facts

Horses killed in the First World War were recycled as explosives – their fat was removed and boiled down to be used in making TNT.

14828. Science Facts

Scientists believe that all vertebrates (animals with backbones) evolved from giant tadpoles, 6 centimetres (2.5 inches) long, that swam around 550 million years ago.

14829. Science Facts

Some wealthy people have their bodies cryopreserved (deep-frozen) when they die, in the hope that in the future someone will find a cure for their cause of death and resurrect them.The popular urban legend that Walt Disney was cryopreserved is false; he was cremated.

14830. Science Facts

If potatoes were discovered today, they would probably be banned under European Union regulations as too dangerous.

14831. Science Facts

The chemical phosphorous was discovered by German chemist Hening Brandt in 1669. He made it by leaving urine to rot and then heating it until the liquid evaporated.

14832. Science Facts

A man who experimented with feeding a Venus flytrap – a type of flesh-eating plant – with bits of his own flesh found the plant could digest it easily. He used bits of his toes that had rotted and dropped off as a result of athlete's foot.

14833. Science Facts

It is so cold in space, that urine flushed out of a space craft instantly freezes into a stream of yellow crystals.

14834. Science Facts

There are 100 million times more insects than people on earth and their total weight is 12 times the total weight of people.

14835. Science Facts

In an emergency, coconut milk can be used as substitute for the watery part of blood in a blood transfusion.

14836. Science Facts

Japanese scientists have managed to grow tadpole eyes from scratch in the laboratory. They transplanted the eyes into tadpoles. The eyes worked even after the tadpoles changed into frogs.

14837. Science Facts

The average bed is home to 6 million dust mites.

Fact
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