Iron weighs more after it rusts.
68
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The bark of an older redwood tree is fireproof.
65
Liquid TIDE laundry detergent glows under a blacklight.
96
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18