If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists aren't sure what color dinosaurs were.
312
Each day, up to 150 species of life become extinct.
-23
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Iron weighs more after it rusts.
16
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304