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E.g., 08/29/2015
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  • 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
  • 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
  • News

    Blood test can predict breast cancer relapse

    Cancer DNA in the blood can signal breast cancer’s return long before scans spot it, a new study shows.

    A blood test that identifies tumor DNA circulating in the blood predicted 80 percent of breast cancer relapses after surgery and chemotherapy, researchers report August 26 in Science Translational...

    08/26/2015 - 14:05 Cancer, Genetics, Biomedicine
  • Science Ticker

    Virus closely related to hepatitis A discovered in seals

    Seals harbor the closest known relative of the hepatitis A virus.

    Researchers discovered the virus, known as phopivirus, lurking in the organs of harbor seals and a harp seal that died of other causes along the New England coast. Phopivirus is closely related to hepatitis A, which in humans can cause nausea, fever, and jaundice. Like hepatitis A, the new virus appears to primarily infect...

    08/25/2015 - 10:17 Health, Evolution, Animals
  • News in Brief

    Altered protein makes mice smarter

    By tweaking a single gene, scientists have turned average mice into supersmart daredevils. The findings are preliminary but hint at therapies that may one day ease the symptoms of such disorders as Alzheimer’s disease and schizophrenia, scientists report August 14 in Neuropsychopharmacology.

    The...

    08/24/2015 - 15:25 Neuroscience, Health
  • Culture Beaker

    A bot, not a Kardashian, probably wrote that e-cig tweet

    This just in: Companies use social media to encourage you to buy their products.

    A recent and much-discussed example of such marketing involved pregnant reality television star Kim Kardashian, who was paid to publicly praise the morning sickness drug Diclegis. FDA regulations...

    08/21/2015 - 16:30 Science & Society, Computing, Health
  • How Bizarre

    Whistled language uses both sides of the brain

    View the video

    Amid the mountains of northeast Turkey, people whistle messages that ring across valleys like ornate bird songs. Unlike with hearing spoken languages, listeners who understand this rare form of communication rely on both sides of their brains, a new study suggests.

    For most people, the left side of the brain does the heavy lifting in...

    08/21/2015 - 11:45 Neuroscience, Language
  • Growth Curve

    Five reasons to not totally panic about ticks and Lyme disease

    I thought it was just a scab.

    The brown speck clinging to my baby’s cheek had been there for a day or so, resting on a reddish patch of skin. He must have scratched himself, I thought, as I picked lightly at the mark.

    My husband was the first to figure out the truth. That little round speck wasn’t a scab at all — it was a tick.

    I had recently read a scary article about ticks...

    08/21/2015 - 06:00 Health
  • News

    Recent advances may improve Jimmy Carter's chances against melanoma

    Improvements in melanoma treatment over the last five years may aid former President Jimmy Carter’s battle against the disease.

    Carter has melanoma that has spread to his liver and brain, he announced August 20.

    Melanoma is a type of cancer that starts in pigment-producing cells called melanocytes. Usually melanoma starts in the skin, but in some cases, there are no visible...

    08/20/2015 - 17:00 Cancer