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E.g., 12/18/2018
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  • Feature

    Top 10 stories of 2018: Climate change, gene-edited babies, hidden craters and more

    In 2018, we saw just how much power science has to make a real impact. 

    Science News’ top stories of the year include a literal impact — the hidden contours of what appears to be a massive crater created when a meteorite slammed into Greenland long ago. That discovery ranks among our Top 10 partly because it’s just cool, but also because it raises the tantalizing prospect of solving a...

    12/17/2018 - 08:36 Science & Society
  • Year in Review

    Half a degree stole the climate spotlight in 2018

    The grim reality of climate change grabbed center stage in 2018.

    This is the year we learned that the 2015 Paris Agreement on global warming won’t be enough to forestall significant impacts of climate change. And a new field of research explicitly attributed some extreme weather events to human-caused climate change. This one-two punch made it clear that climate change isn’t just...

    12/17/2018 - 08:36 Climate, Science & Society
  • Year in Review

    News of the first gene-edited babies ignited a firestorm

    A Chinese scientist surprised the world in late November by claiming he had created the first gene-edited babies, who at the time of the announcement were a few weeks old. Scientists and ethicists quickly responded with outrage.

    In an interview with the Associated Press and in a video posted November 25, Jiankui He announced that twin girls with a gene altered to reduce the risk of...

    12/17/2018 - 08:34 Genetics, Science & Society
  • Year in Review

    Crime solvers embraced genetic genealogy

    Every week, Ellen Greytak checks DNA profiles in a genealogy database. She’s not searching for long-lost relatives. She’s out to find family members of unknown assailants in rape and murder cases.

    Greytak is director of bioinformatics at Parabon NanoLabs in Reston, Va. Since May, the company has used genetic genealogy, a forensic technique for tracking down suspects through their...

    12/17/2018 - 08:32 Genetics, Science & Society
  • Year in Review

    Drinking studies muddied the waters around the safety of alcohol use

    For people who enjoy an occasional cocktail, 2018 was a sobering year. Headlines delivered the news with stone-cold certainty: Alcohol — in any amount — is bad for your health. “The safest level of drinking is none,” a group of scientists concluded.

    That finding, along with another one reported this year, seemed to contradict the reassuring notion that an occasional drink might be...

    12/17/2018 - 08:24 Health, Science & Society
  • Reviews & Previews

    These are our favorite science books of 2018

    From tales about whales to enthralling scientific histories and the memoir of a frustrated astrophysicist, 2018 was a banner year for science books. Here are Science News’ picks for the titles that should be on any science lover’s bookshelf. Find detailed reviews of many of these books in the links below and in our Editor’s Pick: Favorite books of 2018.

    The Truth About AnimalsLucy...

    12/09/2018 - 09:00 Science & Society
  • News in Brief

    Global carbon dioxide emissions will hit a record high in 2018

    Global carbon dioxide emissions are expected to hit a record high in 2018, despite urgent calls from climate scientists and international groups such as the United Nations to cut back.

    Worldwide, fossil fuel use is projected to pump 2.7 percent more CO2 into the atmosphere in 2018 compared with 2017. Last year, such emissions contributed 9.9 gigatons of carbon. The data are presented in...

    12/06/2018 - 18:09 Climate, Sustainability, Science & Society
  • Editor's Note

    Seeking a panacea in the gut’s microbiome

    It almost feels like people think every known disorder could be cured by tweaking the gut microbiome: The list of possibilities includes obesity, liver disease, diabetes, autism, multiple sclerosis and rheumatoid arthritis, depression and anxiety. The length of that list alone invites skepticism among those of us who cover science. But there’s enough evidence that gut microbes...
    12/05/2018 - 05:15 Science & Society, Health, Neuroscience
  • News

    The researcher who created CRISPR twins defends his work but fails to quell controversy

    A Chinese researcher who helped create the world’s first gene-edited babies publicly disclosed details of the work for the first time to an international audience of scientists and ethicists, and revealed that another gene-edited baby is due next year.

    Lulu and Nana, twin girls whose DNA was edited with CRISPR/Cas9 to disable the CCR5 gene involved in HIV infections, may soon be joined...

    11/28/2018 - 15:54 Genetics, Science & Society
  • News

    Chinese scientists raise ethical questions with first gene-edited babies

    A Chinese scientist’s surprise announcement on the eve of an international human gene-editing summit that he has already created the world’s first gene-edited babies has led to swift condemnation.

    Jiankui He is expected to discuss his work November 28 in Hong Kong at the second International Summit on Human Genome Editing. But in an interview with the Associated Press, and in a video...

    11/27/2018 - 17:51 Genetics, Science & Society