Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108