(AP) -- An opposition activist spreads word of an upcoming protest in the streets of Tehran. Another posts pictures of clashes between demonstrators and police.
Jun 16, 2009
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People who suffer from Peutz-Jeghers syndrome, a rare inherited cancer syndrome, develop gastrointestinal polyps and are predisposed to colon cancer and other tumor types. Carefully tracing the cellular chain-of-command ...
Jun 16, 2009
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A group of researchers led by Carnegie Mellon University Biological Sciences Professor Aaron Mitchell has identified a novel regulatory gene network that plays an important role in the spread of common, and sometimes deadly, ...
Jun 16, 2009
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Contrary to common belief, Brazil's policy of protecting portions of the Amazonian forest from development is capable of buffering the Amazon from climate change, according to a new study led by Michigan State University ...
Jun 16, 2009
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Scientists from King's College London and Imperial College London believe they have discovered a key element in the development of chronic asthma. Their research has been published in a new paper in the journal Proceedings of ...
Jun 16, 2009
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Our understanding of the importance of microRNAs in regulating gene expression is expanding, and with it our requirement for robust methods to measure their expression levels. Now a new method published in BioMed Central's ...
Jun 16, 2009
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Water is a crucial ingredient for life, but its level inside cells must be carefully regulated to maintain proper cell shape and size. In this week's issue of the open access journal PLoS Biology, scientists from the Univer ...
Jun 16, 2009
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As a consequence of overseas discoveries, early modern scientists faced serious information overload. The sheer amount of exotic, hitherto unknown species reaching the shores of Europe forced naturalists to reconsider the ...
Jun 16, 2009
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New research from Cincinnati Children's Hospital Medical Center highlights the critical role a certain gene and its protein play during early embryonic development on formation of a normal heart and skull.
Jun 16, 2009
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MIT civil engineers have for the first time identified what causes the most frequently used building material on earth — concrete — to gradually deform, decreasing its durability and shortening the lifespan of infrastructures ...
Jun 16, 2009
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High levels of brain energy are required to maintain consciousness, a finding which suggests a new way to understand the properties of this still mysterious state of being, Yale University researchers report.
Jun 16, 2009
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South Korea's military computer networks are under ever-growing cyber attack with 95,000 cases reported daily on average, officials said Tuesday.
Jun 16, 2009
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On the 25th anniversary of the project that brought the large blue butterfly back from extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that helped them ...
Jun 16, 2009
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(AP) -- A leading health care bill under consideration in Congress would cost the government an estimated $1 trillion over the next decade and reduce the ranks of the uninsured by about one-third, or 16 million individuals, ...
Jun 16, 2009
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Long-term memory formation in honeybees is instigated by a calcium ion cascade. Researchers writing in the open access journal BMC Biology have shown that calcium acts as a switch between short- and long-term storage of lea ...
Jun 16, 2009
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