One ragweed plant can release as many as one billion grains of pollen!
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No matter how cold it gets, gasoline will not freeze.
107
According to studies, men change their minds two to three times more often than women.
72
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
A cubic yard of air weighs about 2 pounds at sea level.
31
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38