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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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.
7
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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In zero gravity, a candle's flame is round and blue.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
One third of the electricity produced on earth is used to power electric light bulbs!
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Iron weighs more after it rusts.
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