(Phys.org) —In 1958 a group of scientists working in Denmark made the striking observation that bacterial cells are about twice as large when they are cultured on a rich nutrient source than when they are cultured on a ...
Cell & Microbiology
Aug 12, 2013
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Whether or not a building collapses and claims many lives during an earthquake is a matter of structure and statistics, according to researchers in Turkey. Writing in the International Journal of Emergency Management, civil ...
Engineering
Jun 5, 2013
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Future teams of subterranean search and rescue robots may owe their success to the lowly fire ant, a much-despised insect whose painful bites and extensive networks of underground tunnels are all-too-familiar to people living ...
Plants & Animals
May 20, 2013
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Looking down from orbit is an attractive way of monitoring historical sites in remote or politically unstable regions – and can even help archaeologists to make new discoveries.
Earth Sciences
Apr 4, 2013
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Dendrochronologists have shown that tree-ring data produce a remarkably accurate history of droughts and other climate changes. Combined with reliable drought indices and historical descriptions of climate conditions, dendrochronology ...
Earth Sciences
Feb 18, 2013
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Droughts can severely limit crop growth, causing yearly losses of around $8 billion in the United States. But it may be possible to minimize those losses if farmers can synchronize the growth of crops with periods of time ...
Environment
Jan 30, 2013
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Peatlands (bogs, turf moors) are among the most important ecosystems worldwide for the storage of atmospheric carbon and thus for containing the climate warming process. In the last 30 to 50 years the peat (Sphagnum) mosses, ...
Environment
Dec 24, 2012
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As a greenhouse gas, methane has a much higher heat-trapping potential than carbon dioxide when considered over the course of a few decades. In recent years, researchers discovered a potentially important new source of atmospheric ...
Earth Sciences
Dec 18, 2012
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In July 2012, farmers in the U.S. Midwest and Plains regions watched crops wilt and die after a stretch of unusually low precipitation and high temperatures. Before a lack of rain and record-breaking heat signaled a problem, ...
Ecology
Dec 5, 2012
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In the northern hardwood forest, climate change is poised to reduce the viability of the maple syrup industry, spread wildlife diseases and tree pests, and change timber resources. And, according to a new BioScience paper ...
Environment
Nov 20, 2012
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