Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
According to studies, men change their minds two to three times more often than women.
72
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
4.5 pounds of sunlight strike the Earth each day.
27
Most dust particles in your house come from dead skin.
48