(Phys.org) —When the infectious fungus Histoplasma capsulatum feels the temperature start to rise, it undergoes a transformation. As it shifts its shape from long filaments to oval cells, the pathogen switches on genes ...
Cell & Microbiology
Jul 29, 2013
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Cities have long been likened to organisms, ant colonies, and river networks. But these and other analogies fail to capture the essence of how cities really function.
Mathematics
Jun 20, 2013
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Over the course of decades or even centuries, Earth's landscape can appear relatively static, with mountains and valleys seemingly anchored firmly in place. Viewed over a longer timescale, however—on the order of hundreds ...
Environment
Dec 6, 2012
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To alter natural waterways is to take a serious risk of endangering species living on the entire length of a river. In a joint project, scientists from EPFL, EAWAG and Princeton University have modeled the flow of organisms ...
Environment
Mar 28, 2012
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Most seismic activity--and earthquakes--have been in the U.S. West. But the East is not out of the woods in terms of risk, geologists say.
Earth Sciences
Apr 1, 2011
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Nitrous oxide, a potent greenhouse gas, has increased by more than 20 percent over the last century, and nitrogen in waterways is fueling part of that growth, according to a Michigan State University study.
Environment
Dec 20, 2010
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