Sound travels fifteen times faster through steel than through air.
134
Iron weighs more after it rusts.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
Sound at the right vibration can bore holes through a solid object.
134