Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The bark of an older redwood tree is fireproof.
65
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Pure water (H2O) does not conduct electricity on its own.
46
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5