Stem cells hold great promise for the medicine of the future, but they can also be a cause of disease. When these self-renewing, unspecialized cells fail to differentiate into diverse cell types, they can start dividing uncontrollably, ...
Cell & Microbiology
Jul 23, 2012
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As sulfur cycles through Earth's atmosphere, oceans and land, it undergoes chemical changes that are often coupled to changes in other such elements as carbon and oxygen. Although this affects the concentration of free oxygen, ...
Earth Sciences
Jul 23, 2012
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Your inappropriate Facebook profile, posts and photos could lose you your next job, according to an in-depth study of employers from six different industries. The conclusion of a paper to be published in the International ...
Hi Tech & Innovation
Jul 23, 2012
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(Phys.org) -- A team of Earth scientists from Germany has turned to fractal pattern recognition analysis to study a part of the ground that makes up a river delta, and has found evidence of pyramid building practice by the ...
Research from the Medical University of South Carolina suggests that adding copper to hospital surfaces which are commonly touched by medical personnel and patients could help reduce the risk of hospital-acquired infections. ...
Cell & Microbiology
Jul 23, 2012
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(Phys.org) -- Being correct 50% of the time when calling heads or tails on a coin toss won’t impress anyone. So when quantum theory predicts that an entangled particle will reach one of two detectors with just a 50% ...
(AP) — The ranks of America's poor are on track to climb to levels unseen in nearly half a century, erasing gains from the war on poverty in the 1960s amid a weak economy and fraying government safety net.
Social Sciences
Jul 23, 2012
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In a leap forward for laser technology, a team at University of California, Santa Barbara, has developed the first violet nonpolar vertical-cavity surface-emitting lasers (VCSELs) based on m-plane gallium nitride semiconductors.
Optics & Photonics
Jul 23, 2012
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Dutch researchers from the Eindhoven University of Technology have successfully made a 'magnetic domain-wall ratchet' memory, a computer memory that is built up from moving bits of magnetised areas. This memory potentially ...
Nanophysics
Jul 23, 2012
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(Phys.org) -- Scientists are delving into the social networking behaviour of sharks, to determine why and when large marine predators congregate, and the mysteries of their society.
Plants & Animals
Jul 23, 2012
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