Sound travels fifteen times faster through steel than through air.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Aluminum used to be more valuable than gold!
84
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
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
Most dust particles in your house come from dead skin.
48
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71