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Your search has returned 212 articles:
  • Reviews & Previews

    Why humans, and Big Macs, depend on bees

    Buzz: The Nature and Necessity of BeesThor HansonBasic Books, $27

    When you hear the word bee, the image that pops to mind is probably a honeybee. Maybe a bumblebee. But for conservation biologist Thor Hanson, author of the new book Buzz, the world is abuzz with thousands of kinds of bees, each as beautiful and intriguing as the flowers on which they land.

    Speaking from his “...

    07/08/2018 - 08:00 Animals, Agriculture, Ecology
  • News

    A big analysis of environmental data strengthens the case for plant-based diets

    From beef to beer, coffee to chocolate, there are environmental costs in what humanity chooses to eat and drink. Now a new study that quantifies the impact on the planet of producing and selling 40 different foods shows how these choices make a difference.

    Agricultural data from 38,700 farms plus details of processing and retailing in 119 countries show wide differences in environmental...

    06/06/2018 - 07:00 Sustainability, Agriculture, Climate
  • News in Brief

    As CO2 increases, rice loses B vitamins and other nutrients

    By the end of this century, rice may not deliver the same B vitamin levels that it does today. Protein and certain minerals will dwindle, too, new data suggest.

    Testing higher carbon dioxide concentrations in experimental rice paddies in China predicts losses in four vitamins — B1, B2, B5 and B9 — an international team reports May 23 in Science Advances. Adding results from similar...

    05/23/2018 - 16:17 Climate, Agriculture
  • News

    Nanoparticles could help rescue malnourished crops

    Synthetic nanoparticles used to fight cancer could also heal sickly plants.

    The particles, called liposomes, are nanosized, spherical pouches that can deliver drugs to specific parts of the body (SN: 12/16/06, p. 398). Now, researchers have filled these tiny care packages with fertilizing nutrients. The new liposomes, described online May 17 in Scientific Reports, soak into plant leaves...

    05/17/2018 - 09:00 Agriculture, Technology
  • News

    Sweet potatoes might have arrived in Polynesia long before humans

    Sweet potatoes were domesticated thousands of years ago in the Americas. So 18th century European explorers were surprised to find Polynesians had been growing the crop for centuries. Anthropologists have since hypothesized that Polynesian seafarers had brought the tuber back from expeditions to South America — a journey of over 7,500 kilometers.

    New genetic evidence instead suggests...

    04/12/2018 - 18:14 Genetics, Agriculture, Anthropology
  • Feature

    When bogs burn, the environment takes a hit

    In 2015, massive wildfires burned through Indonesia, sending thick smoke and haze as far as Thailand.

    These fires were “the worst environmental disaster in modern history,” says Thomas Smith, a wildfire expert at King’s College London. Smith estimates that the fires and smoke killed 100,000 people in Indonesia and neighboring countries and caused billions of...

    03/06/2018 - 12:00 Ecosystems, Climate, Agriculture
  • It's Alive

    The flowers that give us chocolate are ridiculously hard to pollinate

    It’s a wonder we have chocolate at all. Talk about persnickety, difficult flowers.

    Arguably some of the most important seeds on the planet — they give us candy bars and hot cocoa, after all — come from pods created by dime-sized flowers on cacao trees. Yet those flowers make pollination just barely possible.

    Growers of commercial fruit crops expect 50 to 60 percent of flowers to...

    02/20/2018 - 07:00 Plants, Animals, Agriculture
  • News in Brief

    Grapevines are more drought-tolerant than thought

    The latest word on the grapevine is promising.

    During more than a decade of observation, grapevines in Napa, Calif., and Bordeaux, France, never reached lethal levels of dehydration from seasonal drought, researchers report online January 31 in Science Advances. Plant ecophysiologist Guillaume Charrier, at the French National Institute for Agricultural Research in Paris, and colleagues...

    01/31/2018 - 17:33 Agriculture, Climate, Sustainability
  • News

    Gassy farm soils are a shockingly large source of these air pollutants

    California’s crops are creating some noxious air.

    The Golden State is at the vanguard in the United States in reducing auto emissions of nitrogen oxide gases, which help produce toxic smog and acid rain. But the NOx pollution problem isn’t limited to auto exhaust. California’s vast agricultural lands — particularly soils heavily treated with nitrogen fertilizers — are now responsible for...

    01/31/2018 - 14:13 Earth, Pollution, Agriculture
  • News

    The mystery of vanishing honeybees is still not definitively solved

    It was one of the flashiest mysteries in the news about a decade ago — honeybee workers were vanishing fast for no clear reason. To this day, that puzzle has never been entirely solved, researchers acknowledge.

    And maybe it never will be. Colony collapse disorder, or CCD, as the sudden mass honeybee losses were called, has faded in recent years as mysteriously as it began. It’s possible...

    01/17/2018 - 13:42 Animals, Agriculture, Science & Society