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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Scientists are now able to grow 'beating' heart tissue in a lab!
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One third of the electricity produced on earth is used to power electric light bulbs!
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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For every gallon of sea water, you get more than a quarter pound of salt.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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