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Cheating Favors Extinction, Yeast Study Finds: Feedback Between Population and Evolutionary Dynamics
April 30, 2013 — Cooperative behavior is widely observed in nature, but there remains the possibility that 'cheaters' can exploit the system, with uncertain consequences for the social unit as a whole. A new study ... > full story -
Scientists Find Mutation Driving Pediatric Brain Tumors
April 30, 2013 — A type of low-grade but sometimes lethal brain tumor in children has been found in many cases to contain an unusual mutation that may help to classify, diagnose and guide the treatment of the tumors, ... > full story -
Discovery Helps Explain How Children Develop Rare, Fatal Disease
April 30, 2013 — Biochemistry researchers have published conclusive scientific evidence that the gene ATP7A is essential for the dietary absorption of the nutrient copper. Their work with laboratory mice also ... > full story -
Synthetic Biology Research Community Grows Significantly
April 30, 2013 — A new analysis finds the number of private and public entities conducting research in synthetic biology worldwide grew significantly between 2009 and ... > full story -
T Cells Rely on 'Rheostat' to Help Ensure That the Immune Response Matches the Threat
April 30, 2013 — A properly functioning immune system is a lesson in balance, providing protection against disease without attacking healthy tissue. Scientists have identified a mechanism that helps T cells find that ... > full story -
Mast Cells Give Clues in Diagnosis, Treatment of Dengue
April 30, 2013 — A protein produced by mast cells in the immune system may predict which people infected with dengue virus will develop life-threatening complications, according to ... > full story -
How Some Cancers 'Poison the Soil' to Block Metastasis
April 30, 2013 — Cancer spread or metastasis can strike unprecedented fear in the minds of cancer patients. The "seed and the soil" hypothesis proposed by Stephen Paget in 1889 is now widely accepted to explain how ... > full story -
In the Northeast, Forests With Entirely Native Flora Are Not the Norm
April 30, 2013 — Two-thirds of all forest inventory plots in the Northeast and Midwestern United States contain at least one non-native plant species, a new US Forest Service study found. The study across two dozen ... > full story -
Nerve Transfer Can Help Repair Brachial Plexus Injuries, Help Restore Elbow Functions
April 30, 2013 — Results highlight the effective use of nerve transfer in patients suffering from brachial plexus injuries for reconstruction of elbow flexion to help improve their quality of ... > full story -
Cell Response to New Coronavirus Unveils Possible Paths to Treatments
April 30, 2013 — Scientists have used lab-grown human lung cells to study the cells' response to infection by a novel human coronavirus (called nCoV) and compiled information about which genes are significantly ... > full story
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