Now you Know

14747. Science Facts
The strangler fig grows from a seed dropped on another tree in bird or opossum faeces. It grows roots around the host tree and shades its leaves, eventually strangling the host tree to death.

14748. Science Facts
Plants aren't as harmless as they seem.There are more than 600 types of carnivorous plants – plants that eat animals or insects.

14749. Science Facts
Pitcher plants have a deep funnel filled with acid that dissolves any insects or small animals that fall into it. The dead creatures are used as food by the plant.

14750. Science Facts
A zookeeper in Germany tried to treat an elephant for constipation with laxative foods and an enema (pumping oil into its anus through a tube). His cure was effective – the elephant produced 90 kilograms (200 pounds) of faeces, which landed on the keeper and suffocated him.

14751. Science Facts
A firestorm is an uncontrollable fire, often the result of a bombing raid. Temperatures can rise to 800 degrees Celsius (1,472 degrees Fahrenheit) and air is sucked into the firestorm with the force of a hurricane. People who aren't burned can suffocate.

14752. Science Facts
Fat contains a huge amount of energy. Polar explorers sometimes eat hunks of greasy seal fat to give themselves enough calories to keep their bodies warm.

14753. Science Facts
In 1890, a young girl was smeared with phosphorous so that she would glow in the dark and could act as a ghost in a hoax séance. She was poisoned by the chemical and died.

14754. Science Facts
Scabs are formed when chemical proteins react with special blood cells called platelets, which cause the blood to get sticky and clump together. Once you've clotted, lots of different chemicals and cells work together to dry out the clot and form a scab, keeping out germs while the cells underneath repair themselves. So, if you pick a scab you're messing with all your body's hard work!

14755. Science Facts
Piles of horse manure steam in cold weather because the action of bacteria breaking it down produces so much heat.The manure, filled with water and gas, is a good insulator, so it stays hot.

14756. Science Facts
In 2000, UK mountaineer Major Michael Lane gave to a museum five of his own fingers and eight of his toes which had dropped off as a result of frostbite when he was climbing Mount Everest in 1976.

14757. Science Facts
A French cement factory uses soiled nappies as fuel to heat its cement kilns.

14758. Science Facts
Volcanic vents deep under the sea are home to strange plants and animals that can live in high temperatures and poisonous, acidic water.

14759. Science Facts
Scientists studying Mormon crickets cut the heads off to see what the crickets had been eating – and found many had eaten other Mormon crickets. If one stopped to eat, another would often come along and eat it.

14760. Science Facts
Doctors used to test for diabetes by tasting the patient's urine – diabetes made it taste sweet because sugar was lost in it.

14761. Science Facts
The first frozen chicken was created by Sir Francis Bacon who stuffed a plucked chicken with snow in 1626 to experiment with refrigeration. It worked, but he died from a chill contracted during the experiment. The chicken is said to haunt Pond Square in London.

14762. Science Facts
It is possible to drown in mud – and almost impossible to save someone who is drowning in mud as so much force is needed to pull them against the weight of it.

14763. Science Facts
On the east coast of the USA there is a laboratory that leaves dead bodies of humans and animals outside to decay so that scientists can study the rate at which they rot, and the maggots and microbes that help them decompose.

14764. Science Facts
If blue whales tried to live on land, they would be crushed and suffocated by their own weight.They can live successfully in water because it supports them.

14765. Science Facts
In an experiment with a condemned prisoner, Doctor Beaurieux of France discovered in 1905 that a person – or head – can hear and respond for around 25 seconds after beheading.

14766. Science Facts
Diamonds are so hard they are often used as the tip of a dentist's drill because they can grind through teeth.

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