The sun is 330,330 times larger than the earth.
75
Out of all the senses, smell is most closely linked to memory.
146
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Nylon is made from coal and petroleum.
42
Cold water weighs more than hot water.
93
Your brain is 80% water.
525
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