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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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