Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists aren't sure what color dinosaurs were.
312
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5