Iron weighs more after it rusts.
68
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
The storage capacity of human brain exceeds 4 Terrabytes.
140
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
The only letter not appearing on the Periodic Table is the letter "J".
180
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6