In zero gravity, a candle's flame is round and blue.
16
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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18