Amphibian populations are declining worldwide and a major cause is a deadly fungus thought to be spread by bullfrogs, but a two-year study shows they can also die from this pathogen, contrary to suggestions that bullfrogs ...
Plants & Animals
Jun 17, 2013
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(Phys.org) —For the past several years, the Pacific Northwest oyster industry has struggled with significant losses due to ocean acidification as oyster larvae encountered mortality rates sufficient to make production non-economically ...
Environment
Jun 12, 2013
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(Phys.org) —A team made up of American anthropologists and zoologists along with a demographer from Bangladesh has been comparing various models that have been developed over the years to explain population growth, and ...
A large proportion of aspen in the western U.S. sport an extra set of chromosomes in their cells, a phenomenon termed triploidy, according to new research published Oct. 31 in the open access journal PLoS ONE by Karen Mock ...
Plants & Animals
Oct 31, 2012
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(Phys.org)—Smart viruses find ways around host defenses. In the case of the influenza viruses A and B, rapid genetic changes and resistance to available therapies make it hard to combat flu epidemics in humans. Mortality ...
Biochemistry
Oct 11, 2012
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Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.
Ecology
Jul 20, 2011
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Malaysian wildlife researchers have tagged a Bornean slow loris for the first time as part of efforts to find out more about the nocturnal primate known for its big eyes and rare toxic bite.
Plants & Animals
Jul 17, 2011
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Analysis of a 440-year-old document reveals new details about native population decline in the heartland of the Inca Empire following Spanish conquest in the 16th century.
Archaeology
May 19, 2011
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One of the most famous and influential mantras of Barack Obama’s chief economic adviser - that wealthier nations are also healthier - has been called into question by a new study.
Social Sciences
Jul 7, 2010
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Decreasing or increasing the function of a newly discovered gene in corn may increase vitamin A content and have significant implications for reducing childhood blindness and mortality rates, according to a Purdue University-led ...
Biotechnology
Mar 29, 2010
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