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E.g., 08/28/2015
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  • News

    New experiment verifies quantum spookiness

    It’s official: Quantum mechanics is spooky.

    A new experiment provides the best evidence yet that the common-sense concept of locality — that an event on Earth can’t immediately influence what happens on Mars, for instance — doesn’t apply in the quantum realm.

    Researchers have long thought that quantum theory is nonlocal. But airtight...

    08/28/2015 - 11:02 Quantum Physics
  • Scicurious

    The need to feed and eating for pleasure are inextricably linked

    You’ve already had a muffin. And a half. You know you’re full. But there they are, fluffy and delicious, waiting for the passersby in the office. Just thinking about them makes your mouth water.

    Maybe if you just slice one into quarters. I mean, that barely counts…

    And then we give in, our brains overriding our body’s better judgment. When I catch myself once again polishing off a...

    08/27/2015 - 16:44 Neuroscience, Nutrition
  • News

    Vaccinated man excretes live poliovirus for nearly 3 decades

    A British man has been excreting live poliovirus for an estimated 28 years.

    An immune deficiency allowed weakened virus from oral polio vaccines to replicate and change within the man’s body. This case is not unique, but it’s the longest-lasting example of vaccine-derived poliovirus on record, researchers report August 27 in...

    08/27/2015 - 14:00 Health, Immune Science, Microbiology
  • News

    Psychology results evaporate upon further review

    Psychologists have recently bemoaned a trend for provocative and sometimes highly publicized findings that vanish in repeat experiments. A large, collaborative project has now put an unsettling, and contested, number on the extent of that problem.

    Only 35 of 97 reports of statistically significant results published in three major psychology journals in 2008...

    08/27/2015 - 14:00 Psychology, Science & Society
  • Science Ticker

    Tropical songbirds get their growth spurt late

    Scientists have long puzzled over why tropical songbirds lay fewer eggs than their temperate-zone counterparts. A new study suggests that it may have to do with how baby birds grow.

    Thomas Martin of the University of Montana in Missoula compared nestling development in 72 songbird species from Arizona, Venezuela and Malaysia. While the Arizona birds grew quickly in the early days after...

    08/27/2015 - 14:00 Animals
  • News

    Decoy switches frogs’ mating call preference

    A trick that salesmen use to sell expensive cars may help average frogs snag mates.    

    Female túngara frogs often switch which of two mating calls they prefer upon hearing a third, unattractive mating call, researchers report in the Aug. 28 Science. This action resembles a human behavior known as the “...

    08/27/2015 - 14:00 Animals, Evolution
  • Science Ticker

    Mountains, craters revealed in latest images of dwarf planet Ceres

    Mountains, plains and craters take center stage in a new batch of images from the Dawn spacecraft, which has been in orbit around the dwarf planet Ceres since March 6. A 6-kilometer-high mountain and rippling terrain are just two of the...

    08/27/2015 - 07:59 Planetary Science
  • News

    Hawking proposes solution to black hole problem

    Light sliding along the outside of a black hole is the key to understanding what’s inside, Stephen Hawking says.

    The proposal from the world’s most famous living physicist, presented August 25 at a conference in Stockholm, is the latest attempt to explain what happens to information that falls into the abyss of a black hole. Losing that information would violate a key principle of...

    08/26/2015 - 17:17 Physics, Quantum Physics
  • Science Ticker

    Earlier is better for HIV treatment

    People infected with HIV benefit from starting a drug regimen early, an international study finds.

    HIV depletes immune cells called CD4 T cells. Normally there are 500 to 1,200 of these cells per cubic millimeter of blood. HIV can drive that amount below 350 or 250, levels that have typically marked starting points for treatment. Some evidence had suggested that treating HIV-positive...

    08/26/2015 - 17:00 Clinical Trials, Health
  • Editor's Note

    DNA architecture, novel forensics offer new clues

    It’s one thing to catalog each chemical unit of DNA that makes up the human genome. It’s another thing entirely to understand how that genetic material is folded up inside a living cell — and then decoded, manipulated and used.

    Achieving that...

    08/26/2015 - 15:35 Genetics, Chemistry, Microbes