Cold water weighs more than hot water.
93
Liquid TIDE laundry detergent glows under a blacklight.
96
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The smell of freshly cut grass is actually a plant distress call.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In zero gravity, a candle's flame is round and blue.
16