A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Cold water weighs more than hot water.
93
Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Research indicates that plants grow healthier when they are stroked.
173