Countries that have higher levels of corruption struggle to attract and retain skilled workers report the authors of a new study published in EMBO reports.
May 17, 2013
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Classical X-ray radiographs provide information about internal, absorptive structures of organisms such as bones. Alternatively, X-rays can also image soft tissues throughout early embryonic development of ...
May 16, 2013
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Language barriers, fear of deportation, and community prejudice are problems often faced by Mexican immigrants that contribute to dramatic disparities in health and well-being between immigrants and the native-born U.S. population. ...
May 09, 2013
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From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent.
May 07, 2013
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(Phys.org) —More than a century ago, an estimated 180,000 female Atlantic sturgeon arrived from the coast in the spring to spawn in the Delaware River and fishermen sought their caviar as a lucrative export ...
May 06, 2013
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Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds, researchers warned Monday.
May 06, 2013
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The behaviour of seabirds during migration – including patterns of foraging, rest and flight – has been revealed in new detail using novel computational analyses and tracking technologies.
Apr 30, 2013
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(Phys.org) —An Arizona State University biologist and her team have found that the Asian subspecies of great bustard, one of the heaviest birds capable of flight, covers migratory routes of more than 2,000 ...
Apr 17, 2013
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Monarch butterflies have long been admired for their sense of direction, as they migrate from Canada and the United States to Mexico. According to new findings from a team of scientists, including researchers ...
Apr 08, 2013
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Long-life batteries and satellite tagging have been used to fill in the blanks of female white sharks' (Carcharodon carcharias) lifestyles. Research published in the launch edition of BioMed Central's open a ...
Apr 03, 2013
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Migrations happen for a reason, not randomly. A new study, based on computer simulation, attempts to explain the effect of so-called directional migration – migration for a reason – on cooperative behaviours ...
Apr 03, 2013
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(Phys.org) —Zooplankton, small fish and squid spend hardly any time at the surface when there's a full moon. To protect themselves from their natural enemies, they hide deeper down in the water on bright ...
Mar 27, 2013
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(Phys.org) —It's the spread of the original cancer tumor that kills most people. That's why cancer researchers vigorously search for drugs that can prevent metastases, the spread of cancer. The research team co-led by Angela ...
Mar 13, 2013
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American workers—long unusually mobile—are increasingly staying put. There are a range of popular explanations for the slowdown in migration between states, including an aging population that is firmly entrenched and ...
Mar 11, 2013
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