A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Diamonds can be shattered with a hammer.
-104
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108