Most dust particles in your house come from dead skin.
48
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Diamonds can be shattered with a hammer.
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A ball of glass will bounce higher than a ball made of rubber.
73
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65