Archive: 01/7/2009

Source of cognitive decline in aging brains

(PhysOrg.com) -- As people age, memory and the ability to carry out tasks often decline. Scientists looking for ways to lessen that decline often have focused on the "gray matter" -- the cortical regions where high-level ...

Jan 07, 2009
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Recognise this image?

(PhysOrg.com) -- Image recognition is a long-standing challenge in science. But European researchers have achieved a breakthrough by developing a powerful image-recognition application with mass-market appeal. ...

Jan 07, 2009
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Heavy Pyridine Crystallizes Differently

(PhysOrg.com) -- The nuclei of ordinary hydrogen atoms contain only a single proton. If a neutron is added, the hydrogen becomes deuterium. In principle, molecules that contain deuterium in place of hydrogen ...

Jan 07, 2009
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Heart valves implanted without open-heart surgery

An innovative approach for implanting a new aortic heart valve without open-heart surgery is being offered to patients at NewYork-Presbyterian Hospital/Columbia University Medical Center. Known as the PARTNER (Placement of ...

Jan 07, 2009
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Destroying amyloid proteins with lasers

Researchers have found that a technique used to visualize amyloid fibers in the laboratory might have the potential to destroy them in the clinic. The technique involves zapping the fluorescently-tagged fibers with a laser, ...

Jan 07, 2009
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Preterm births rise 36 percent since early 1980s

New government statistics confirm that the decades-long rise in the United States preterm birth rate continues, putting more infants than ever at increased risk of death and disability.

Jan 07, 2009
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