The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
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
Iron weighs more after it rusts.
68
The storage capacity of human brain exceeds 4 Terrabytes.
140
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One barrel of petroleum holds 42 gallons.
20
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79