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The general concept is that sex is required to produce genetic variation, which is necessary in the evolution of the organisms. But some cope quite well, even in stressful conditions, without sex. Soil contaminants were found to induce rapid genetic adaptations in the nematode worm Acrobeloides nanus. The worms from ... |
15 May 2007
05:46 GMT |
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Advertising explains us the benefits of fish consume, omitting to say that fishes act like sponges that absorb any toxin from their environment. In the industrialized world, fish caught from streams, rivers and lakes have risky mercury amounts which can damage the nerve cells from the brain. A new research found that... |
19 April 2007
06:16 GMT |
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On April 26, 1986, the fourth reactor of the Chernobyl Nuclear Power Plant exploded at 01:23 AM local time. It is till now the worst nuclear accident ever. A plume of radioactive cloud fell over parts of the Western Soviet Union, Eastern Europe, Western Europe, Northern Europe and Eastern North America. Large zones o... |
10 April 2007
06:14 GMT |
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The weakness of the males is increasingly showing up. A new research reveals that, in the past three decades, the number of male births has decreased yearly in the U.S. and Japan. The University of Pittsburgh-led research found significantly fewer boys being born relative to girls and that a rising percentage of dead... |
10 April 2007
05:37 GMT |
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Besides non-organic molecules like nitrogen oxides and sulfur oxides, many volatile organic compounds (VOCs) in air are implicated in smog and high ozone levels, and are potentially harmful for human health, that's why clean-air laws are turning increasingly stricter. Current air-purification systems work with p... |
2 April 2007
05:55 GMT |
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