A cesium atom in an atomic clock beats over nine billion times a second.
43
Nearly 50% of the world's scientists are assigned to military projects.
71
Iron weighs more after it rusts.
16
Scientists aren't sure what color dinosaurs were.
312
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
If the chemical sodium is dropped into water it will immediately and violently explode.
67