If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
According to studies, men change their minds two to three times more often than women.
72
Your brain is 80% water.
525
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The smell of freshly cut grass is actually a plant distress call.
31