I did not copy these from a factual website- they are from my homework planner c:
+ A crocodile always grows new teeth to replace the old teeth and it cannot stick it's tongue out.
+ While the dimensions of Australia are striking, the country is, in fact, the smallest of the continents. It is also the lowest and the flattest.
+ Every human spent about half an hour as a single cell.
+ A cosmic year is the amount of time it takes the sun to revolve around the centre of the Milky Way galaxy, about 225 million years.
+ Plutonium - first weighed on August 20th, 1942, by University of Chicago scientists Glenn Seaborg and his colleagues - was the first man-made element.
+ Travelling at the speed of 186,000 miles per second, light takes 6 hours to travel from Pluto to Earth.
+ British Sign Language is used by an estimated 50,000 people in Britain.
+ Micro-organisms have been brought back to life after being frozen in perma-frost for three million years.
+ Antarctica is the only continent without reptiles or snakes.
+ DNA was first discovered in 1869 by Swiss Friedrich Mieschler. The molecular structure of DNA was first determined by Watson and Crick in 1953.
+ The low frequency call of the humpback whale is the loudest noise made by a living creature and can be heard from 500 miles away.
+ The world's smallest winged insect, the Tanzanian parasitic wasp, is smaller than the eye of a housefly.
+ At over 2000 kilometres long the Great Barrier Reef is the largest living structure on Earth.
+ The largest desert in the world, the Sahara, is 3,500,000 square miles and the driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.
+ Lightning can reach thirty miles long and is less than an inch thick and is hotter than the surface of the Sun. 100 lightning bolts strike the Earth every second.
+ The biggest shark species has the smallest teeth. The 12 metre long whale shark has more than 4,000 teeth, each only 3mm long.
+ Tigers have striped skin, not just striped fur.
+ There are 1,783 diamonds in Great Britain's Imperial State Crown. This includes the 309 carat Star of Africa.
+ Each King in a deck of playing cards represents a great ruler from history. Spades- King David, Clubs- Alexander the Great, Hearts- Charlemagne and Diamonds- Julius Caesar.
+ 111,111,111 x 111,111,111 = 12,345,678,987,654,321
+ Human eyes can distinguish 250 different pure colours, 17,000 mixed colours and 300 shades of grey.
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