Sound travels fifteen times faster through steel than through air.
134
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Nearly 50% of the world's scientists are assigned to military projects.
71