Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Iron weighs more after it rusts.
16
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
Hot water can freeze faster than cold water.
181
Sound travels fifteen times faster through steel than through air.
134
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117