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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Hot water can freeze faster than cold water.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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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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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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