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  • Science Ticker

    White House unveils strategy against antibiotic resistance

    The Obama Administration has launched a long-term plan to curb antibiotic resistance, unveiling incentives and requirements designed to boost surveillance and diagnosis of resistant microbes, speed new drug development and require that hospitals and clinics adopt antimicrobial...

    03/27/2015 - 17:09 Science & Society, Microbes, Health
  • News

    A new spin on guiding sound waves along a one-way route

    An array of miniature turntables could offer a powerful new way to control the flow of sound.

    The proposed device, reported in the March 20 Physical Review Letters, would channel sound waves in a protected one-way thoroughfare along its edge. The structure is an acoustic version of a hotly researched class of...

    03/27/2015 - 15:36 Materials, Physics
  • Science Ticker

    Panda stalking reveals panda hangouts

    Giant pandas (Ailuropoda melanoleuca) may not be quite the lone rangers they’re reputed to be, researchers report March 27 in the Journal of Mammology.

    A research team strapped GPS collars to five wild pandas — one male and four females — that live...

    03/27/2015 - 14:00 Animals, Conservation
  • Science Ticker

    Bright bird plumage resulted from natural, sexual selection

    Charles Darwin observed birds such as the peacock and thought the bright colors of the male’s tail attracted females — an example of sexual selection. Alfred Russel Wallace suggested that duller female birds were the result of natural selection — bright colors stood out to predators as the birds protected their nests, so the birds that blended in to their surroundings survived.

    Who was...

    03/27/2015 - 14:00 Evolution, Animals
  • News in Brief

    Suds turn silver nanoparticles in clothes into duds

    DENVER — Life’s bleachable moments may be a death sentence for bacteria-busting silver nanoparticles.

    The tiny metal balls that coat some recently manufactured athletic clothing and hospital gowns can crack and crumble when they’re washed in tough detergents that...

    03/27/2015 - 12:06 Materials, Technology, Pollution
  • Scicurious

    Our taste in music may age out of harmony

    Music displays all the harmony and discord the auditory world has to offer. The perfect pair of notes at the end of the Kyrie in Mozart’s Requiem fills churches and concert halls with a single chord of ringing, echoing consonance. Composers such as Arnold Schönberg explored...

    03/27/2015 - 11:44 Neuroscience
  • Mystery Solved

    Enigmatic 17th century nova wasn’t a nova at all

    In 1670, European astronomers were all talking about a hot “new” star near the head of the swan constellation, Cygnus. Later dubbed Nova Vul 1670, the star burned bright for two years and then mysteriously vanished. Modern astronomers have long speculated that their 17th century counterparts had observed a nova — an exploding white dwarf. That would make it the oldest recorded observation of a...

    03/27/2015 - 08:00 Astronomy
  • Science Ticker

    For bats, simple traffic patterns limit collisions

    Humans aren’t the only ones who follow traffic rules. Bats do it too, researchers report March 26 in PLOS Computational Biology.

    Scientists eavesdropped on echolocating Daubenton’s bats (Myotis daubentonii) as the animals cruised for dinner. Once a bat locks on to a peer’s  sonar...

    03/26/2015 - 18:34 Animals
  • News in Brief

    Ebola virus not mutating as quickly as thought

    The virus causing the current Ebola epidemic in West Africa is not evolving as quickly as some scientists had suggested.

    In a paper last August, researchers reported that the virus (Zaire ebolavirus) was altering its genes almost twice as fast as it had during previous Ebola outbreaks in Central Africa (...

    03/26/2015 - 14:22 Genetics
  • News in Brief

    Long-term study complicates understanding of child abuse

    Official reports of child abuse may overestimate the tendency of such maltreatment to run in families. Parents who were abused themselves as kids are more likely than nonabused parents to be reported to authorities after having sexually abused or neglected their own children, a new study finds. Yet child protective service agencies should not assume that child abuse and neglect only or mostly...

    03/26/2015 - 14:00 Psychology