Sound travels fifteen times faster through steel than through air.
134
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
German chemists made a replica of a trophy the size of one molecule.
68
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The smell of freshly cut grass is actually a plant distress call.
31
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Most dust particles in your house are made from dead skin!
67