One cubic foot of gold weighs more than 1,200 pounds!
78
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Liquid TIDE laundry detergent glows under a blacklight.
96
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
A cubic yard of air weighs about 2 pounds at sea level.
31
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13