A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One ragweed plant can release as many as one billion grains of pollen!
51
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 bark of an older redwood tree is fireproof.
65
Pumice is the only rock that floats on water.
14
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38