One ragweed plant can release as many as one billion grains of pollen!
51
No matter how cold it gets, gasoline will not freeze.
107
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Hot water can freeze faster than cold water.
181
The average temperature at 40,000 feet above sea level is -60 F.
56
