Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Sound travels about 4 times faster in water than in air.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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The only letter not appearing on the Periodic Table is the letter "J".
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The earth is approx. 6,588,000,000,000,000,000 tons.
175
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20