A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
According to studies, men change their minds two to three times more often than women.
72
One ragweed plant can release as many as one billion grains of pollen!
51
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
68