Gentler heart surgery remains without signs of dementia Mental performance preserved throughout two years after catheter-based implantation of an aortic valve prosthesis Aortic valve stenosis is the most frequent heart valve defect of older people in Europe ...

A sudden interest in math -- how teachers can motivate their pupils Researchers create professional development program to promote open dialog in the classroom The lack of interest in math or natural sciences is one of the most frequently voiced causes for ...

Study points to differences in high-school crack, powder cocaine use The use of crack and powder cocaine both varies and overlaps among high school seniors, researchers at New York University and NYU Langone Medical Center have found. Their findings, which appear in ...

Studies assess impact of IOM report on nursing reforms Researchers find progress and barriers to recommendations on residency programs and academic progression WASHINGTON, DC (December 5, 2013)--Two new studies ...

Liver transplant survival rates lower in black than white pediatric patients Novel research reveals racial and socioeconomic disparities among pediatric liver transplant patients. Findings published in Liver Transplantation, a journal of the American Association for the Study ...

Priming 'cocktail' shows promise as cardiac stem cell grafting tool New research by University of Vermont Associate Professor of Medicine Jeffrey Spees, Ph.D., and colleagues has identified a new tool that could help facilitate future stem cell therapy for ...

DNA helicity and elasticity explained on the nanoscale Korean researchers propose simple model to explain DNA helicity and elasticity on a nanometer scale A simple mechanical model to effectively implement the well-known double-stranded structure and the elasticity of ...

Recurring memory traces boost long-lasting memories This news release is available in German. The researchers headed by Nikolai Axmacher performed a memory test on a series of persons while monitoring their brain activity ...

Coffee or beer? The choice could affect your genome Tel Aviv University says caffeine and alcohol can change a part of DNA linked to aging and cancer Coffee and beer are polar opposites in the beverage world. Coffee picks you up, and beer winds you down. Now ...

New method of DNA editing allows synthetic biologists to unlock secrets of a bacterial genome A group of University of Illinois researchers has demonstrated the use of an innovative DNA engineering technique to discover potentially ...

International study finds lower-dose IUDs are safe and effective Findings suggest expanded use of these contraceptive devices LOS ANGELES – (Dec. 5, 2013) – In a finding that could expand the use of one of the most effective ...

Activating pathway could restart hair growth in dormant hair follicles, Penn Study suggests Manipulation of the Wnt/B-catenin signaling pathway could provide therapeutic targets for hair loss, unwanted hair growth and skin cancer PHILADELPHIA ...

Carnegie Mellon researchers create brand associations by mining millions of images from social media Technique complements online text data now analyzed by marketers PITTSBURGH—The images people share on social media — photos of favorite products and places, or of ...

UF researchers' experiment is first to simulate warming of Arctic permafrost GAINESVILLE, Fla. --- Although vegetation growth in the Arctic is boosted by global warming, it's not enough to offset the carbon released by the thawing of the permafrost beneath the surface, University ...

When it comes to peer pressure, teens are not alone It is well known that teenagers take risks—and when they do, they like to have company. Teens are five times likelier to be in a car accident when in a group than when driving alone, and likelier to commit a crime or ...

More alcohol and traffic laws mean fewer traffic deaths, NYU Steinhardt study concludes States with a higher number of alcohol- and traffic-related laws have a lower proportion of traffic deaths than do states with fewer such laws on the books, a study by researchers ...

New IOM report assesses oversight of clinical gene transfer protocols WASHINGTON -- In most cases, human gene transfer research is no longer novel or controversial enough to require additional review from the National Institutes of Health's Recombinant DNA Advisory ...

Proteins' passing phases revealed Rice U. theorists combine structural data, genomic analysis to predict short-lived conformations of proteins HOUSTON – (Dec. 5, 2013) – A new method to identify previously hidden details about the structures of proteins may speed the process ...

Gene found to be crucial for formation of certain brain circuitry Identified using new technique that can speed identification of genes, drug candidates Using a powerful gene-hunting technique for the first time in mammalian brain cells, researchers at Johns Hopkins ...

You can't get entangled without a wormhole MIT physicist finds the creation of entanglement simultaneously gives rise to a wormhole Quantum entanglement is one of the more bizarre theories to come out of the study of quantum mechanics — so strange, in fact, ...

New Jersey Shore likely faces unprecedented flooding by mid-century Scientists project Shore sea level to rise 11 to 15 inches higher than global average for next century Geoscientists at Rutgers and Tufts universities estimate that the New Jersey shore will likely ...

Researchers identify fundamental differences between human cancers and genetically engineered mouse models of cancer Researchers from the Fred Hutchinson Cancer Research Center in Seattle, WA have taken a closer look at existing mouse models of cancer, specifically comparing ...

Ancient 'fig wasp' lived tens of millions of years before figs CHAMPAIGN, Ill. — A 115-million-year-old fossilized wasp from northeast Brazil presents a baffling puzzle to researchers. The wasp's ovipositor, the organ through which it lays its eggs, ...

Sharks prefer to sneak up from behind, study shows Research shows that Caribbean reef sharks can tell if a human is facing toward them "Never turn your back on a shark" is the take home message from an article published in Springer's journal Animal ...

Astronomers discover planet that shouldn't be there The discovery of a giant planet orbiting its star at 650 times the average Earth-Sun distance has astronomers puzzled over how such a strange system came to be An international team of astronomers, led by a University ...