Sound travels about 4 times faster in water than in air.
408
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Research indicates that plants grow healthier when they are stroked.
173
Most dust particles in your house come from dead skin.
48
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Sound travels fifteen times faster through steel than through air.
134