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Your search has returned 190 articles:
  • News

    DNA points to millennia of stability in East Asian hunter-fisher population

    In a remote corner of eastern Russia, where long winters bring temperatures that rarely flicker above freezing, the genetic legacy of ancient hunter-gatherers endures.

    DNA from the 7,700-year-old remains of two women is surprisingly similar to that of people living in that area today, researchers report February 1 in Science Advances. That finding suggests that at least some people in...

    02/03/2017 - 15:44 Anthropology, Genetics, Agriculture
  • Science Ticker

    CRISPR used in cows to help fight tuberculosis

    Mooooove over CRISPR chickens, pigs and goats. Everyone’s favorite DNA-editing tool is another step closer to transforming the barnyard. 

    Researchers at China’s Northwest Agriculture and Forestry University devised a CRISPR/Cas 9 technique to give cloned dairy cows a leg up against the bacteria behind bovine tuberculosis (Mycobacterium bovis). Last year, another group used TALENs, an...

    02/03/2017 - 13:00 Genetics, Animals, Agriculture
  • News

    Big genetics study blazes path for bringing back tomato flavor

    An analysis of nearly 400 kinds of tomatoes suggests which flavor compounds could bring heirloom deliciousness back to varieties that were bred for toughness over taste.

    About 30 compounds are important in creating a full-bodied tomato flavor, says study coauthor Harry Klee of the University of Florida in Gainesville. He and colleagues have identified 13 important molecules that have...

    01/26/2017 - 14:09 Plants, Genetics, Agriculture
  • News

    Tweaking how plants manage a crisis boosts photosynthesis

    Enhancing just three genes helps plants harvest more light, raising new hopes for developing crops that can keep up with food demands from a crowded planet.

    Genetically engineered tobacco plants, chosen to test the concept, managed the unusual feat of growing 14 to 20 percent more mass — meaning more crop yield — than untweaked plants, says Krishna Niyogi of the University of California...

    11/17/2016 - 14:45 Plants, Agriculture, Genetics
  • News in Brief

    Sandboxes keep chicken parasites at bay

    For chickens, a dip in the sandbox is good hygiene.  

    Cage-free flocks that “bathe” by flapping around in diatomaceous earth (a fine dust of fossilized algae) and sand prevent serious mite infections, researchers report September 14 in the Journal of Economic Entomology. Major infections of more than 100 mites per bird make hens lay 2 to 4 percent fewer eggs on average. So access to...

    09/14/2016 - 09:00 Animals, Agriculture
  • Feature

    Fish escapes from marine farms raise concerns about wildlife

    On the dock in Buenaventura, Colombia, the fisherman needed help identifying his catch. “I don’t have any clue what this is,” he said, holding a roughly 50-centimeter-long, grayish-brown fish. Gustavo Castellanos-Galindo, a fish ecologist, recalls the conversation from last October. “I said, ‘Well, this is a cobia, and it shouldn’t be here.’ ”

    The juvenile cobia had probably escaped from...

    09/07/2016 - 16:12 Oceans, Ecosystems, Agriculture
  • It's Alive

    How a tomato plant foils a dreaded vampire vine

    Forget garlic. In real life, a tomato can defeat a vampire. And researchers have now figured out the first step to vegetable triumph.

    The vampires are slim, tangling vines that look like splats of orange or yellow-green spaghetti after a toddler’s dinnertime tantrum. Botanically, the 200 or so Cuscuta species are morning glories gone bad. In the same family as the heavenly blue garden...

    08/23/2016 - 10:00 Plants, Agriculture, Cells
  • Science Ticker

    Evidence piles up for popular pesticides' link to pollinator problems

    The link between pollinator problems and neonicotinoids, a group of agricultural pesticides commonly associated with declines in honeybees, continues to build with two new studies published this week.

    Butterflies of Northern California join the ranks of honeybees, bumblebees, moths and other organisms that may be feeling the effects of the infamous insecticides. Butterfly species in...

    08/17/2016 - 17:32 Animals, Conservation, Agriculture
  • Feature

    New desalination tech could help quench global thirst

    The world is on the verge of a water crisis.

    Rainfall shifts caused by climate change plus the escalating water demands of a growing world population threaten society’s ability to meet its mounting needs. By 2025, the United Nations predicts, 2.4 billion people will live in regions of intense water scarcity, which may force as many as 700 million people from their homes in search of...

    08/09/2016 - 16:00 Sustainability, Agriculture, Materials
  • Science Ticker

    New analysis: Genetically engineered foods not a health risk

    Genetically engineered crops don’t appear to harm humans or the environment, according to a new report released May 17 by the National Academies of Sciences, Engineering and Medicine.

    An extensive analysis of two decades’ worth of evidence dug up no substantial proof that genetically engineered foods were any less safe to eat than those that are conventionally bred. The study’s authors...

    05/17/2016 - 18:16 Agriculture, Genetics, Science & Society