Cold water weighs more than hot water.
93
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
Iron weighs more after it rusts.
68
The sun is 330,330 times larger than the earth.
75
One barrel of petroleum holds 42 gallons.
20
The average temperature at 40,000 feet above sea level is -60 F.
56
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
Diamonds can be shattered with a hammer.
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