The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
16
Cold water weighs more than hot water.
93
Scientists aren't sure what color dinosaurs were.
312
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
Out of all the senses, smell is most closely linked to memory.
146
Iron weighs more after it rusts.
68
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7