Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Most dust particles in your house come from dead skin.
48
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
German chemists made a replica of a trophy the size of one molecule.
68
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101