In zero gravity, a candle's flame is round and blue.
16
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Out of all the senses, smell is most closely linked to memory.
146