Sound travels fifteen times faster through steel than through air.
134
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Nylon is made from coal and petroleum.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Sound travels about 4 times faster in water than in air.
408