Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound travels fifteen times faster through steel than through air.
134
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Nylon is made from coal and petroleum.
42
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
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
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16