Tadpole shrimp a new pest of rice in the midsouthern United States
New clues about ancient water cycles shed light on US deserts
The deserts of Utah and Nevada have not always been dry. Between 14,000 and 20,000 years ago, when large ice caps covered Canada during the last glacial cooling, valleys throughout the desert southwest filled with water to ...
Sep 27, 2012
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Liquid water near Europa's surface a rarity
(Phys.org)—Europa, the enigmatic moon of Jupiter, is believed to be home to a subsurface ocean of liquid water. However, future missions to explore Europa's ocean may need to dig deep. Research suggests ...
Sep 25, 2012
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Biologists uncover dynamic between biological clock and neuronal activity
Biologists at New York University have uncovered one way that biological clocks control neuronal activity—a discovery that sheds new light on sleep-wake cycles and offers potential new directions for research into therapies ...
Sep 25, 2012
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New data suggest bacteria have a direct effect on rock weathering
New research shows that in a bid to derive energy from iron, bacteria may be directly responsible for kicking off a cascade of reactions that reduce rocks to soil and free biologically important minerals. ...
Sep 21, 2012
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New planetary boundary to measure effects of human activity
(Phys.org)—A US scientist has proposed that a new planetary boundary be used to analyze the effects of human activities on the planet. He warns that there are definite biophysical limits to growth in human ...
Sep 21, 2012
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Tracking drifting algal blooms and the nutrients that keep them going
(Phys.org)—This month MBARI researchers are conducting a two-week-long, in-depth oceanographic experiment to track the nutrients that fertilize algal blooms off the coast of Central California. This research ...
Sep 18, 2012
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Glacial organic matter and carbon cycling
An international collaboration led by Tom Battin from the Department of Limnology of the University of Vienna unravels the role of Alpine glaciers for carbon cycling. The scientists uncover the unexpected ...
Sep 17, 2012
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UK stays cautious over thorium as nuclear fuel
(Phys.org)—The claim is dramatic: An alternative nuclear fuel that could offer a safer and more abundant alternative to the uranium that powers conventional reactors. That is what supporters have to say ...
Sep 16, 2012
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Arctic crustaceans use currents, deep-water migration to survive sea ice melts
With sea ice in the Arctic melting to record lows in summer months, marine animals living there face dramatic changes to their environment. Yet some crustaceans, previously thought to spend their entire lives ...
Sep 13, 2012
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Researchers awarded patent for tokamak device, would turn nuclear waste into fuel
University of Texas at Austin physicists have been awarded a U.S. patent for an invention that could someday be used to turn nuclear waste into fuel, thus removing the most dangerous forms of waste from the fuel cycle.
Sep 13, 2012
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Researchers discover unexpected patterns in evolution of frog life cycles
Expanding database enables discoveries in emerging field of metabolomics
(Phys.org)—Over the last decade, metabolomics has emerged as the newest of the "omic" sciences (following genomics and proteomics) to provide comprehensive biochemical information about cellular metabolism. This new field ...
Sep 10, 2012
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Forest mortality and climate change: The big picture
Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...
Sep 09, 2012
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Study shows how sea otters can reduce CO2 in the atmosphere
(Phys.org)—Can an abundance of sea otters help reverse a principal cause of global warming?
Sep 07, 2012
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