News tagged with drastic decrease
Unexpected discovery can open a new chapter in the fight against tuberculosis
Jun 08, 2009 |
4.4 / 5 (8) |
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A close relative of the microorganism that causes tuberculosis in humans has been found to form spores. This is a sensational finding because researchers have long been convinced that these kinds of bacteria-the mycobacteria-were ...
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EU sets fish quotas for 2007
Dec 22, 2006 |
3.7 / 5 (3) |
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The European Union fisheries ministers have set the 2007 limits for fish catches in European waters.
Climate change predicted to drive trees northward
Dec 03, 2007 |
3.8 / 5 (8) |
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The most extensive and detailed study to date of 130 North American tree species concludes that expected climate change this century could shift their ranges northward by hundreds of kilometers and shrink the ranges by more ...
In a last 'stronghold' for endangered chimpanzees, survey finds drastic decline
Biology /
Oct 13, 2008 |
4.7 / 5 (3) |
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In a population survey of West African chimpanzees living in Côte d'Ivoire, researchers estimate that this endangered subspecies has dropped in numbers by a whopping 90 percent since the last survey was conducted 18 years ...
Carrier screening associated with decrease in incidence of cystic fibrosis
Dec 16, 2009 |
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An increase in the number of screened carriers for cystic fibrosis (CF) was associated with a decrease in the number of children born with CF in northeast Italy, according to a study in the December 16 issue of JAMA.
Scientists show quantum systems could flout physics law
Jun 02, 2008 |
4.3 / 5 (56) |
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Scientists in the Weizmann Institute's Faculty of Chemistry, together with colleagues in Germany, have made a startling prediction: Simply 'taking the temperature' of certain quantum systems at frequent intervals might cause ...
Antarctic warming to reduce animals at base of ecosystem, shift some penguin populations southward
Feb 15, 2007 |
3.7 / 5 (3) |
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The warming most global climate models predict will do more harm than simply raise the sea levels that most observers fear. It will make drastic changes in fragile ecosystems throughout the world, especially in the Antarctic.
Major losses for Caribbean reef fish in last 15 years
Mar 19, 2009 |
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By combining data from 48 studies of coral reefs from around the Caribbean, researchers have found that fish densities that have been stable for decades have given way to significant declines since 1995. The study appears ...
First experimental evidence for speedy adaptation to pesticides by worm species
Biology /
Dec 18, 2008 |
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Scientists at the Instituto Gulbenkian de Ciencia (IGC) and the Faculty of Science of the University of Lisbon, in Portugal, have shown that populations of the worm Caenhorabditis elegans become resistance to pesticides in 20 ...
Study shows teens become less active as they grow older
Feb 19, 2007 |
3 / 5 (1) |
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As they grow older, teenagers are spending more time in front of the computer and television and less time participating in physical activities, according to researchers at the University of Minnesota School of Public Health. ...
Does Gene Variant Make Women More Prone to Alcoholism?
Jul 08, 2008 |
4 / 5 (1) |
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A particular gene variant might make women more susceptible to alcoholism. At least, a study carried out by the Universities of Bonn and Sweden’s Karolinska Institute makes this a plausible conclusion.
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