A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Iron weighs more after it rusts.
68
Your brain is 80% water.
525
A cubic yard of air weighs about 2 pounds at sea level.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Pure water (H2O) does not conduct electricity on its own.
46
