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Volcanoes cool the tropics, say researchers

Volcanoes cool the tropics, say researchers

Space & Earth / Earth Sciences

created Jan 05, 2009 | popularity 3.1 / 5 (12) | comments 9

Climate researchers have shown that big volcanic eruptions over the past 450 years have temporarily cooled weather in the tropics—but suggest that such effects may have been masked in the 20th century by rising ...


Men with vitamin D deficiency may have increased risk of heart attack

Medicine & Health / Health

created Jun 09, 2008 | popularity 4.5 / 5 (2) | comments 0

Low levels of vitamin D appear to be associated with higher risk of myocardial infarction (heart attack) in men, according to a report in the June 9 issue of Archives of Internal Medicine, one of the JAMA/Archives journa ...


Land conversion and climate threaten land birds

Biology /

created Jun 05, 2007 | popularity 5 / 5 (1) | comments 0

Land conversion and climate change have already had significant impacts on biodiversity and associated ecosystem services.Using future land-cover projections from the recently completed Millennium Ecosystem Assessment, Walter ...


Jupiter's great red spot is shrinking

Space & Earth / Space Exploration

created Nov 19, 2008 | popularity 3.8 / 5 (19) | comments 6

The best map of wind speeds on Jupiter ever produced proves that the massive weather system known as the Great Red Spot has shrunken over the past dozen years.


Tropical rainforest and mountain species may be threatened by global warming

Space & Earth / Environment

created Oct 09, 2008 | popularity 2.6 / 5 (19) | comments 2

Contrary to conventional wisdom, tropical plant and animal species living in some of the warmest places on Earth may be threatened by global warming, according to an article by University of Connecticut Ecologist Robert K. ...


Permafrost carbon content double the old estimates

Permafrost carbon content double the old estimates

Space & Earth / Environment

created Sep 12, 2008 | popularity 3.9 / 5 (27) | comments 21

New research indicates that the amount of frozen organic carbon locked away in the world’s permafrost regions – a major potential source of atmospheric carbon dioxide (CO2) and methane (CH4) – is double what ...


Rising CO2 signals wetter storms for Northern Hemisphere

Space & Earth / Earth Sciences

created Dec 11, 2007 | popularity 3.4 / 5 (7) | comments 1

While two new studies by researchers at the University of Colorado at Boulder's Cooperative Institute for Research in Environmental Sciences predict wetter storms for the Arctic and for the Northern Hemisphere because of ...


Global warming predicted to hasten carbon release from peat bogs

Space & Earth / Environment

created Nov 06, 2008 | popularity 3.1 / 5 (11) | comments 3

Billions of tons of carbon sequestered in the world's peat bogs could be released into the atmosphere in the coming decades as a result of global warming, according to a new analysis of the interplay between peat bogs, water ...


Last Ice Age

Avoiding the hothouse and the icehouse

Space & Earth / Earth Sciences

created Feb 11, 2009 | popularity 2.7 / 5 (14) | comments 10

By controlling emissions of fossil fuels we may be able to greatly delay the start of the next ice age, new research from the Niels Bohr Institute at University of Copenhagen concludes. The results have been ...


Study links vitamin D, type 1 diabetes

Medicine & Health / Diseases

created Jun 05, 2008 | popularity 4.6 / 5 (31) | comments 2

Sun exposure and vitamin D levels may play a strong role in risk of type 1 diabetes in children, according to new findings by researchers at the Moores Cancer Center at University of California, San Diego (UCSD) and the Department ...


Researchers show link between vitamin D status, breast cancer

Medicine & Health / Cancer

created May 15, 2008 | popularity 4.6 / 5 (12) | comments 0

Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego and the Department of Family and Preventive Medicine have shown a clear association ...


Climate Change and Atmospheric Circulation Will Make for Uneven Ozone Recovery

Climate Change and Atmospheric Circulation Will Make for Uneven Ozone Recovery

Space & Earth / Earth Sciences

created Apr 10, 2009 | popularity 4.4 / 5 (28) | comments 6

(PhysOrg.com) -- Earth's ozone layer should eventually recover from the unintended destruction brought on by the use of chlorofluorocarbons (CFCs) and similar ozone-depleting chemicals in the 20th century. ...


Cold is hot in evolution -- Researchers debunk belief species evolve faster in tropics

Biology /

created Mar 15, 2007 | popularity 4.6 / 5 (12) | comments 0

University of British Columbia researchers have discovered that contrary to common belief, species do not evolve faster in warmer climates.


Fossilized cashew nuts reveal Europe was important route between Africa and South America

Biology /

created Oct 17, 2007 | popularity 4.8 / 5 (8) | comments 0

Cashew nut fossils have been identified in 47-million year old lake sediment in Germany, revealing that the cashew genus Anacardium was once distributed in Europe, remote from its modern “native” distribution in Central and ...


Link Between Ovarian Cancer, Vitamin D Status Seen Worldwide

Medicine & Health / Cancer

created Nov 01, 2006 | popularity 4.3 / 5 (17) | comments 0

Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at UCSD have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB), and ovarian ...