One third of the electricity produced on earth is used to power electric light bulbs!
75
The only letter not appearing on the Periodic Table is the letter "J".
180
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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
One cubic foot of gold weighs more than 1,200 pounds!
78
Cold water weighs more than hot water.
93
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16