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E.g., 06/30/2015
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  • Science Ticker

    Clot-snatching stroke treatment gets the green light

    Doctors may soon use a small device to snatch blood clots from the brain. On June 29, the American Heart Association and the American Stroke Association issued guidelines recommending the use of the treatment in...

    06/30/2015 - 16:42 Health
  • Science Ticker

    Old fruit flies’ swagger restored with brain chemical dopamine

    The chemical messenger dopamine can bring back that loving feeling for old fruit flies. By carefully boosting dopamine levels in a handful of specific brain cells, scientists coaxed male flies past their prime into wooing females more vigorously.

    Tsai-Feng Fu of National Chi Nan University in Nantou, Taiwan, and colleagues engineered male fruit flies, Drosophila melanogaster, so...

    06/30/2015 - 14:34 Neuroscience
  • News in Brief

    Genetic tweak turned plague bacterium deadly

    Two genetic changes turned the plague into a scourge.  

    The ancestor of the plague-causing bacterium Yersinia pestis causes mild stomach disease. Early in its evolution, Y. pestis acquired a single gene from other bacteria that allowed it to cause the deadly lung infections of pneumonic plague, scientists ...

    06/30/2015 - 11:00 Health, Genetics, Evolution
  • Feature

    E-cigarettes proving to be a danger to teens

    They’ve appeared on television and in magazines — Katy Perry, Johnny Depp and other celebrities vaping electronic cigarettes. The high-tech gadgets, marketed as a healthier alternative to traditional cigarettes, seem to be available everywhere, from Internet suppliers and specialty vaping shops to 24-hour convenience marts.

    E-cigarettes have become the fashionable new electronic toy....

    06/30/2015 - 09:00 Health
  • Scicurious

    No matter the language, disease risk is hard to communicate

    At the beginning of June, my travel companion and I were lost somewhere in the bowels of the Seoul subway in South Korea. As we puzzled over a map we could barely read, a kind young woman, a surgical mask covering her nose and mouth, stopped and offered to help us find our way. As she led us to our next train, she looked at me seriously. “You should get one of these,” she said, gesturing to...

    06/29/2015 - 16:56 Science & Society, Health
  • Science Ticker

    Pain may come in his and hers

    Male and female mice use different kinds of cells to respond to pain, a new study shows. The results suggest that if a similar thing happens in people, pain treatments ought to be tailored to men or women.

    Scientists knew that after an injury, cells called microglia in the spinal cord spring into action, a process that’s been linked...

    06/29/2015 - 11:59 Neuroscience
  • Growth Curve

    Should you eat your baby’s placenta?

    Having a baby means having to make decisions. Among the countless quandaries parents face are where and how they’ll give birth, what they’ll name the new little fella and whether they should buy a swing or a bouncer. In recent years, another question is getting thrown into the mix: Should a new mom eat her placenta?

    Though statistics are elusive, it seems more and more women are...

    06/26/2015 - 07:00 Health, Science & Society
  • Science Ticker

    Poppy yields the final secret to making morphine

    The final puzzle piece in the chemical pathway that makes morphine has been identified, scientists report June 25 in Science. The work fills in the center piece in the path — the protein converting the compound (S)-reticuline to (R)-reticuline.

    By analyzing poppy DNA and confirming its function in yeast,...

    06/25/2015 - 16:08 Plants, Health
  • News

    One path that fear takes in the brain discovered

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    A zap of blue light to the brain can make a mouse flee or freeze. By exciting select nerve cells, scientists have for the first time identified and hijacked a neural pathway that carries threatening information from the eyes to the brain.

    The results, published in the June...

    06/25/2015 - 14:00 Neuroscience
  • News

    Switching off nerve cells eases asthma attacks

    To stop an asthma attack, just numb some nerve cells.

    Dulling nerve cells in mice’s lungs soothes irritated airways by easing inflammation and out-of-control coughing, researchers report online June 25 in Neuron.

    “It’s a game changer,” says asthma researcher Christopher Evans of the University of Colorado Denver. He thinks targeting nerve cells could be a feasible...

    06/25/2015 - 12:00 Health