One ragweed plant can release as many as one billion grains of pollen!
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Iron weighs more after it rusts.
16
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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
Sound travels about 4 times faster in water than in air.
408
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