Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
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
Iron weighs more after it rusts.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13