Balsa wood is classified as a hard wood!
41
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Diamonds can be shattered with a hammer.
-104
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Liquid TIDE laundry detergent glows under a blacklight.
96
Sound at the right vibration can bore holes through a solid object.
134