Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Cold water weighs more than hot water.
93
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38