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.
15
Sound at the right vibration can bore holes through a solid object.
134
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Aluminum used to be more valuable than gold!
84