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
Pure water (H2O) does not conduct electricity on its own.
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The storage capacity of human brain exceeds 4 Terrabytes.
140
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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