A cubic yard of air weighs about 2 pounds at sea level.
31
One 75-watt bulb gives more light than three 25-watt bulbs.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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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
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21