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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Nylon is made from coal and petroleum.
42
The storage capacity of human brain exceeds 4 Terrabytes.
140
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The smell of freshly cut grass is actually a plant distress call.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45