One barrel of petroleum holds 42 gallons.
20
Most dust particles in your house come from dead skin.
48
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
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Sound travels fifteen times faster through steel than through air.
134
The only letter not appearing on the Periodic Table is the letter "J".
180
Billions of neutrinos pass unnoticed through your body every second.
6