Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A ball of glass will bounce higher than a ball made of rubber.
73
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Sound travels fifteen times faster through steel than through air.
134