The sun is 330,330 times larger than the earth.
75
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists aren't sure what color dinosaurs were.
312
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Most dust particles in your house come from dead skin.
48
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16