Sound travels fifteen times faster through steel than through air.
134
Pumice is the only rock that floats on water.
14
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Indoor pollution is 10 times more toxic than outdoor pollution.
62