Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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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
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Balsa wood is classified as a hard wood!
41
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Billions of neutrinos pass unnoticed through your body every second.
6
The bark of an older redwood tree is fireproof.
65