Iron weighs more after it rusts.
16
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Sound travels fifteen times faster through steel than through air.
134
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The average home creates more pollution than does the average car.
33