The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Iron weighs more after it rusts.
16
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
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