Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75