Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Liquid TIDE laundry detergent glows under a blacklight.
96
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Sound travels about 4 times faster in water than in air.
408
No matter how cold it gets, gasoline will not freeze.
107
Iron weighs more after it rusts.
16
Each day, up to 150 species of life become extinct.
-23
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