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Bacterial "Signatures" Linger on Users' Keyboards
March 15, 2010
In a discovery that may one day aid law enforcement in identifying suspects, researchers have found that skin bacteria left behind on keyboards and computer mice can identify the objects’ users.
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A Swiss Army Knife for Analyzing Three-Dimensional Images
March 14, 2010
A new software package promises to greatly speed up scientists’ ability to assemble and manipulate extremely detailed microscope images. More
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Cancer Cells Have Pull
March 12, 2010
Experiments with an artificial cell surface demonstrate that a tumor’s aggressiveness is strongly correlated to its mechanical pulling power. More
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A New Finding Clarifies the Cause of Spinal Muscular Atrophy
March 09, 2010
New findings about an often fatal neurodegenerative disease suggest that helping a beneficial protein linger a little longer could promote neuron survival. More
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New Ways to Disarm Deadly South American Hemorrhagic Fever Viruses
March 07, 2010
New World hemorrhagic fevers are emerging infectious diseases found in South America that can cause terrible, Ebola-like symptoms. Now HHMI researchers have discovered exactly how one virus latches onto and infects human cells, offering a much-needed lead toward new treatments.
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Asexual Plant Reproduction May Seed New Approach for Agriculture
March 07, 2010
An HHMI international research scholar and his colleagues have moved a step closer to turning sexually-reproducing plants into asexual reproducers, a finding that could have profound implications for agriculture. More
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Blood Vessel Cells Promote Self-Renewal of Blood Stem Cells
March 05, 2010
Endothelial cells, the building blocks of the vascular system, keep blood stem cells dividing healthily in a lab dish much longer and more effectively than previous methods of growing the cells. More
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Appetite Grows When New Bacteria Take Over the Gut
March 04, 2010
A new study suggests that gut microbes might one day be grouped along with inadequate exercise and overeating as a cause of obesity and metabolic syndrome. More
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Mitochondrial DNA's Surprising Variability Could Complicate Forensic and Genealogical Analyses
March 04, 2010
The mitochondrial genome, long thought to be nearly identical in every cell in the human body, actually varies to a surprising degree. More
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What Model Organisms Can Teach Us about Emotion
February 20, 2010
At the AAAS Annual Meeting, David Anderson discussed how studies of model organisms such as mice and fruit flies can improve scientists' understanding of the neural basis of emotion. More
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