Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pumice is the only rock that floats on water.
14
Most dust particles in your house are made from dead skin!
67
Scientists aren't sure what color dinosaurs were.
312
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Diamonds can be shattered with a hammer.
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