Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A cesium atom in an atomic clock beats over nine billion times a second.
43
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Pumice is the only rock that floats on water.
14
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79