(Phys.org) —Declines in populations of pollinators, such as bees and wasps, may be a key threat to nutrition in some of the most poorly fed parts of the globe, according to new research.
Plants & Animals
Sep 17, 2014
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Next week in St. Petersburg, Russia, scientists on an international team that includes Penn State University astronomers will present a paper that provides a simple explanation for mysterious ultra-long gamma-ray bursts—a ...
Astronomy
Sep 17, 2014
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(Phys.org) —The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11. That anomaly occurred shortly before a planned communication ...
Space Exploration
Sep 17, 2014
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We often speak of the discoveries and data flowing from astronomical observatories, which makes it easy to forget the cool factor. Think of it—huge telescopes are probing the universe under crystal-clear skies, because ...
Astronomy
Sep 17, 2014
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With a newly cleared memory, it's time for Opportunity to resume the next stage of its long, long Martian drive. The next major goal for the long-lived rover is to go to Marathon Valley, a spot that (in images from orbit) ...
Space Exploration
Sep 17, 2014
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The way in which most multicellular organisms have been classified has been the same for more than a century. Only recently have scientists developed the tools and knowledge to question the way we classify organisms. The ...
Biotechnology
Sep 17, 2014
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After decades of decline, grasses have returned to some once-denuded patches of Cape Cod's saltmarshes. To the eye, the marsh in those places seems healthy again, but a new study makes clear that a key service of the marsh ...
Environment
Sep 17, 2014
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Adjusting wind turbine operations during the migration season at the University of Delaware's Hugh R. Sharp Campus in Lewes has resulted in a significant decrease in deaths among bats, according to researchers.
Ecology
Sep 17, 2014
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There are many situations where it's impossible, complicated or too time-consuming for humans to enter and carry out operations. Think of contaminated areas following a nuclear accident, or the need to erect structures such ...
Robotics
Sep 17, 2014
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An eco-friendly cement, known as Alkali Pozzolan Cement (APC), containing a mixture of fly ash, dry lime powder and sodium sulphate under specific scaffolding conditions has been developed by Curtin University research.
Engineering
Sep 17, 2014
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