One third of the electricity produced on earth is used to power electric light bulbs!
75
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The bark of an older redwood tree is fireproof.
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
Pumice is the only rock that floats on water.
14
According to studies, men change their minds two to three times more often than women.
72
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55