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Stem Cells in Circulating Blood Affect Cardiovascular Health

New research suggests that attempts to isolate an elusive adult stem cell from blood to understand and potentially improve cardiovascular health – a task considered possible but very difficult – might not be necessary.

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A reporter's PressPass is required to access this story until the embargo expires on 4/28/2014 12:05 AM EDT

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Not Having Much Luck with Relationships? Be Humble, Study Finds

Researchers found that prospective dating partners who were more humble were viewed as more attractive candidates for a romantic relationship than those less humble. In long-distance relationships, partners who are viewed as humble tended to recover more quickly after offenses than their less humble counterparts, according to research released in the Journal of Positive Psychology.

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Study Shows Aspirin Can Reduce Colorectal Cancer Risks for Those with Specific Gene

The humble aspirin may have just added another beneficial effect beyond its ability to ameliorate headaches and reduce the risk of heart attacks: lowering colon cancer risk among people with high levels of a specific type of gene.

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Mapping the Road to Quantum Gravity

The road uniting quantum field theory and general relativity – the two great theories of modern physics – has been impassable for 80 years. Could a tool from condensed matter physics finally help map the way?

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Novel Compound Halts Cocaine Addiction and Relapse Behaviors

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A novel compound that targets an important brain receptor has a dramatic effect against a host of cocaine addiction behaviors, including relapse behavior, a University at Buffalo animal study has found.

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From Liability to Viability: Genes on the Y Chromosome Prove Essential for Male Survival

The human Y chromosome has over the course of millions of years of evolution has preserved a small set of genes that has ensured not only its own survival but also the survival of men. Moreover, the vast majority of these tenacious genes appear to have little if any role in sex determination or sperm production. Taken together, these remarkable findings suggest that because these Y-linked genes are active across the body, they may actually be contributing to differences in disease susceptibility and severity observed between men and women.

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Copper Nanowires Could Become Basis for New Solar Cells

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By looking at a piece of material in cross section, Washington University in St. Louis engineer Parag Banerjee, PhD, and his team discovered how copper sprouts grass-like nanowires that could one day be made into solar cells.

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Cougars’ Diverse Diet Helped Them Survive Pleistocene Mass Extinction

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Cougars may have survived the mass extinction that took place about 12,000 years ago because they were not particular about what they ate, unlike their more finicky cousins the saber-tooth cat and American lion who perished, according a new analysis of the microscopic wear marks on the teeth of fossil cougars, saber-tooth cats and American lions.

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More Than Two-Thirds of Americans Support Mandated Coverage of Birth Control in Health Plans

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Support higher among those who may be more likely to directly benefit from affordable birth control.

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