Cold water weighs more than hot water.
93
Sound travels fifteen times faster through steel than through air.
134
In zero gravity, a candle's flame is round and blue.
16
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Nearly 50% of the world's scientists are assigned to military projects.
71
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Out of all the senses, smell is most closely linked to memory.
146