Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One ragweed plant can release as many as one billion grains of pollen!
51
In zero gravity, a candle's flame is round and blue.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
One cubic foot of gold weighs more than 1,200 pounds!
78
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
A 'jiffy' is an actual unit of time for 1/100th of a second!
66