In zero gravity, a candle's flame is round and blue.
16
Nylon is made from coal and petroleum.
42
Scientists are now able to grow 'beating' heart tissue in a lab!
162
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists aren't sure what color dinosaurs were.
312
A single speck of dust is half way in size between a subatomic particle and the Earth.
15