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What's New in Science - More news
  • NASA Webb's heart survives deep freeze test
    After 116 days of being subjected to extremely frigid temperatures like that in space, the heart of the James Webb Space Telescope, the Integrated Science Instrument Module and its sensitive instruments, emerged unscathed from the thermal vacuum chamber at NASA's Goddard Space Flight Center in Green...
  • New feather findings get scientists in a flap
    Scientists have revealed that feather shafts are made of a multi-layered fibrous composite material, much like carbon fiber, which allows the feather to bend and twist to cope with the stresses of flight. Since their appearance over 150 million years ago, feather shafts (rachises) have evolved to be...
  • Special microscope captures defects in nanotubes
    Chemists have devised a way to see the internal structures of electronic waves trapped in carbon nanotubes by external electrostatic charges. Carbon nanotubes have been touted as exceptional materials with unique properties that allow for extremely efficient charge and energy transport, with the pot...
  • Competition keeps health-care costs low, U.S. researchers find
    Medical practices in less competitive health-care markets charge more for services, according to a study. The study, based on U.S. health-care data from 2010, provides important new information about the effects of competition on prices for office visits paid by preferred provider organizations, kno...
  • Smoking interferes with neurocognitive recovery during abstinence from alcohol
    Researchers know that alcohol-dependent individuals (ALC) sustain neurocognitive impairment even after detoxification. A new study examines specific domains of cognitive recovery in conjunction with smoking status. Findings show that smoking status influenced the rate and level of neurocognitive rec...
  • Bar attendance supports heavy drinking by young adults in the US-Mexico borde...
    Mexico is a nearby destination where younger US residents can legally drink heavily. However, high levels of drinking on the US side are not always linked to recent travel to Mexico. New findings show that higher levels of drinking among US-Mexico border youth are closely linked to their patterns of...
  • Understanding drinking behaviors among women with unwanted pregnancies
    Most women reduce or stop drinking alcohol upon discovery of pregnancy. A new study looks at changes in alcohol use, and factors contributing to these changes, among women with unwanted pregnancies. Findings indicate that most women with unwanted pregnancies quit or reduce alcohol consumption once t...
  • Bogus recycling bins help identify drinking patterns among low-income seniors
    Substance abuse is the fastest growing health concern for older adults. New findings show that drinking levels are high enough to be concerning and tend to spike around the times older adults receive their social security checks. These results may have prevention implications for social workers work...
  • Diet for your DNA: Novel nutrition plan sparks debate around data protection
    Personalized nutrition based on an individual's genotype - nutrigenomics - could have a major impact on reducing lifestyle-linked diseases such as obesity, heart disease and Type II diabetes, experts say. However, a study of more than 9,000 volunteers reveals that strict regulations need to be put i...
  • Overweight women lose in the labor market, study finds
    Overweight women are more likely to work in lower-paying and more physically demanding jobs, less likely to get higher-wage positions that include interaction with the public, and make less money in either case compared to average size women and all men, according to a new study.
  • How troubled marriage, depression history promote obesity
    The double-whammy of marital hostility and a history of depression can increase the risk for obesity in adults by altering how the body processes high-fat foods, according to new research.
  • Scientists disprove theory that reconstructed boron surface is metallic
    Scientific inquiry is a hit and miss proposition, subject to constant checking and rechecking. Recently, a new class of materials was discovered called topological insulators?nonmetallic materials with a metallic surface capable of conducting electrons. The effect, based on relativity theory, exists...
  • Immersed in violence: How 3-D gaming affects video game players
    Playing violent video games in 3-D makes everything seem more real ? and that may have troubling consequences for players, a new study reveals. Researchers found that people who played violent video games in 3-D showed more evidence of anger afterward than did people who played using traditional 2-D...
  • Genome editing technique advanced by researchers
    Customized genome editing -- the ability to edit desired DNA sequences to add, delete, activate or suppress specific genes -- has major potential for application in medicine, biotechnology, food and agriculture. Now researchers examine six key molecular elements that help drive this genome editing s...
  • Large variation in Cesarean rates across US hospitals
    Cesarean delivery is the most common inpatient surgery in the United States. US cesarean rates increased from 20.7% in 1996 to 32.9% in 2009 but have since stabilized, with 1.3 million American women having had a cesarean delivery in 2011. Rates of cesarean delivery vary across hospitals, and unders...
  • Most published medical research is false; Here's how to improve
    In 2005, in a landmark paper viewed well over a million times, John Ioannidis explained in PLOS Medicine why most published research findings are false. To coincide with PLOS Medicine's 10th anniversary he responds to the challenge of this situation by suggesting how the research enterprise could be...
  • In disease outbreak management, flexibility can save lives, money
    A new, more flexible, approach for responding to and managing disease outbreaks has been developed that could save many lives and millions of dollars. The approach, called 'adaptive management,' allows decision-makers to use knowledge gained during an outbreak to update ongoing interventions with th...
  • Let there be light: Evolution of complex bioluminescent traits may be predict...
    A longstanding question among scientists is whether evolution is predictable. A team of researchers from University of California Santa Barbara may have found a preliminary answer. The genetic underpinnings of complex traits in cephalopods may in fact be predictable because they evolved in the same ...
  • Novel approach for treating non-cardiac chest pain suggested
    Chest pain doesn't necessarily come from the heart. An estimated 200,000 Americans each year experience non-cardiac chest pain. New research suggests a novel approach to treating non-cardiac chest pain due to esophageal hypersensitivity. The treatment involves a drug called dronabinol, a cannabinoid...
  • Could I squeeze by you? Scientists model molecular movement within narrow cha...
    Scientists have developed deeper understanding of the ideal design for mesoporous nanoparticles used in catalytic reactions, such as hydrocarbon conversion to biofuels. The research will help determine the optimal diameter of channels within the nanoparticles to maximize catalytic output.
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