The smell of freshly cut grass is actually a plant distress call.
31
Diamonds can be shattered with a hammer.
-104
Pure water (H2O) does not conduct electricity on its own.
46
Pumice is the only rock that floats on water.
14
The sun is 330,330 times larger than the earth.
75
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5