A ball of glass will bounce higher than a ball made of rubber.
73
Sound travels fifteen times faster through steel than through air.
134
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Iron weighs more after it rusts.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114