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Your search has returned 686 articles:
  • 50 years ago, scientists took baby steps toward selecting sex

    Toward preselected sex

    Robert Edwards and Richard Gardner of Cambridge University … say they have been able to remove rabbit embryos … then reimplant only the blastocysts destined to develop into the chosen sex. The implications are obvious and enormous. If this procedure could be extended easily to man there might, for instance, be imbalances, even fads, in the selection by parents...

    07/20/2018 - 13:49 Genetics, Technology, Science & Society
  • Reviews & Previews

    ‘The Poisoned City’ chronicles Flint’s water crisis

    The Poisoned CityAnna ClarkMetropolitan Books, $30

    America is built on lead. Networks of aging pipes made from the bluish-gray metal bring water into millions of U.S. homes. But when lead, a poison to the nervous system, gets into drinking water — as happened in Flint, Mich. — the heavy metal can cause irreparable harm (SN: 3/19/16, p. 8). In The Poisoned City, journalist Anna Clark...

    07/17/2018 - 07:00 Health, Toxicology, Science & Society
  • Editor's Note

    In research, detours are a key part of discovery

    For more than a century, scientists have known that abnormal clumps and tangles in the brain are the hallmarks of Alzheimer’s disease. But identifying the cause of that devastating damage has proven elusive, hampering efforts to come up with a cure for an affliction that robs memory from millions of people worldwide.

    But what if those clumps and tangles accumulated because the brain...

    07/11/2018 - 07:00 Science & Society, Health, Neuroscience
  • Science Ticker

    Most Americans think funding science pays off

    Forget all the ridicule heaped on treadmill-running shrimp.

    About 80 percent of U.S. adults think that government spending on medical research, engineering and technology, and basic science usually leads to meaningful advances, a new survey from the Pew Research Center shows. The nonprofit, nonpartisan research organization queried 2,537 people from April 23 to May 6.  

    No matter...

    07/05/2018 - 15:18 Science & Society
  • Reviews & Previews

    ‘Aroused’ recounts the fascinating history of hormones

    ArousedRandi Hutter EpsteinW.W. Norton & Co., $26.95

    The first scientific experiment on hormones took an approach that sounds unscientific: lopping off roosters’ testicles. It was 1848, and Dr. Arnold Berthold castrated two of his backyard roosters. The cocks’ red combs faded and shrank, and the birds stopped chasing hens.

    Then things got really weird. The doctor castrated...

    06/25/2018 - 16:10 Biomedicine, Health, History of Science, Science & Society
  • Scicurious

    Fighting sexual harassment in science may mean changing science itself

    The #MeToo movement has revealed sexual and gender harassment in every corner of American life. Science hasn’t been immune. High profile cases — such as decades’ worth of complaints against astronomer Geoff Marcy, and allegations that geologist David Marchant verbally and physically abused women scientists in Antarctica — make headlines. But it is the often underreported gender harassment,...

    06/22/2018 - 15:45 Science & Society
  • Science Ticker

    Splitting families may end, but migrant kids’ trauma needs to be studied

    Faced with a growing outcry against separating migrant children from their families at the U.S. border — including this statement from the National Academies of Sciences, Engineering and Medicine — President Trump reversed course June 20 and issued an executive order aimed at keeping detained families together.

    Scientists, armed with evidence that traumatic events early in life can have...

    06/20/2018 - 17:39 Neuroscience, Psychology, Science & Society
  • Feature

    DNA testing can bring families together, but gives mixed answers on ethnicity

    Michael Douglas, a new resident of southern Maryland, credits genetic testing for helping him find his heritage — and a family he knew very little about.

    Douglas, 43, is adopted. He knew his birth mother’s name and had seen a birth certificate stating his birth name: Thomas Michael McCarthy. Over the years, Douglas had tried off and on to find his birth family, mostly by looking for his...

    06/13/2018 - 14:36 Genetics, Ancestry, Science & Society
  • Editor's Note

    So what do you know about Emmy Noether?

    Emmy Noether may be the most influential mathematician you’ve never heard of.

    In 1918, she solved a puzzle in Albert Einstein’s general theory of relativity. To do that, she created a mathematical theorem that changed forever how scientists study the universe, one that remains a guiding star for theoretical physics.

    Not only was she a scientific pioneer, Noether was by all...

    06/12/2018 - 07:15 History of Science, Science & Society, Physics
  • News

    Why using genetic genealogy to solve crimes could pose problems

    Police are using a new type of DNA sleuthing, called genetic genealogy. Already the technique has caught murder and rape suspects in California and Washington. While solving the cases has given cause for celebration, the tactics used in catching the alleged culprits have many privacy and civil rights experts worried.

    Closing the Golden State Killer case (SN Online: 4/29/18) and the...

    06/07/2018 - 14:00 Genetics, Science & Society