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E.g., 01/24/2018
E.g., 01/24/2018
Your search has returned 3233 images:
  • smartphone illustration
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Your search has returned 101562 articles:
  • Feature

    Your phone is like a spy in your pocket

    Consider everything your smartphone has done for you today. Counted your steps? Deposited a check? Transcribed notes? Navigated you somewhere new?

    Smartphones make for such versatile pocket assistants because they’re equipped with a suite of sensors, including some we may never think — or even know — about, sensing, for example, light, humidity, pressure and temperature.

    Because...

    01/23/2018 - 12:00 Computing, Technology
  • Television

    ‘First Face of America’ explores how humans reached the New World

    A teenage girl climbed into an underground cave around 13,000 years ago. Edging through the ink-dark chamber, she accidentally plunged to her death at the bottom of a deep pit.

    Rising seas eventually inundated the cave, located on Central America’s Yucatán Peninsula. But that didn’t stop scuba divers from finding and retrieving much of the girl’s skeleton in 2007.

    “First Face of...

    01/22/2018 - 07:00 Anthropology, Archaeology, Ancestry
  • Letters to the Editor

    Readers wrangle with definition of ‘species’

    Species shmecies

    In “Defining ‘species’ is a fuzzy art” (SN: 11/11/17, p. 22), Susan Milius asked scientists to define “species.” Schoolbooks may define the concept as a group of organisms that create fertile offspring when mating with each other but not when mating with outsiders. But for researchers specializing in the topic, a single definition is hard to come by.

    “It seems to me...

    01/10/2018 - 12:37 Evolution, Technology, Astronomy
  • Feature

    How to keep humans from ruining the search for life on Mars

    T he Okarian rover was in trouble. The yellow Humvee was making slow progress across a frigid, otherworldly landscape when planetary scientist Pascal Lee felt the rover tilt backward. Out the windshield, Lee, director of NASA’s Haughton Mars Project, saw only sky. The rear treads had broken through a crack in the sea ice and were sinking into the cold water.

    True, there are signs of...

    01/10/2018 - 11:30 Planetary Science, Astrobiology
  • Feature

    Hormone replacement makes sense for some menopausal women

    Internist Gail Povar has many female patients making their way through menopause, some having a tougher time than others. Several women with similar stories stand out in her mind. Each came to Povar’s Silver Spring, Md., office within a year or two of stopping her period, complaining of frequent hot flashes and poor sleep at night. “They just felt exhausted all the time,” Povar says. “The joy...

    01/09/2018 - 14:00 Health
  • Screentime

    Website invites you to probe a 3-D human brain

    In movies, exploring the body up close often involves shrinking to microscopic sizes and taking harrowing rides through the blood. Thanks to a new virtual model, you can journey through a three-dimensional brain. No shrink ray required.

    The Society for Neuroscience and other organizations have long sponsored the website BrainFacts.org, which has basic information about how the human...

    01/09/2018 - 07:00 Neuroscience
  • News

    A key virus fighter is implicated in pregnancy woes

    An immune system mainstay in the fight against viruses may harm rather than help a pregnancy. In Zika-infected mice, this betrayal appears to contribute to fetal abnormalities  linked to the virus, researchers report online January 5 in Science Immunology. And it could explain pregnancy complications that arise from infections with other pathogens and from autoimmune disorders.

    In...

    01/05/2018 - 15:41 Development, Immune Science
  • News

    ‘Laid-back’ bonobos take a shine to belligerents

    Despite a reputation as mellow apes, bonobos have a thing for bad guys.

    Rather than latching on to individuals with a track record of helpfulness, adult bonobos favor obstructionists who keep others from getting what they want. The result may help explain what differentiates humans’ cooperative skills from those of other apes, biological anthropologists Christopher Krupenye of the...

    01/05/2018 - 15:18 Anthropology, Animals, Evolution
  • How the Dead Sea Scrolls survived a war in the 1960s

    Dead Sea Scrolls safe

    The famous Dead Sea Scrolls, rumored lost or damaged during the June war between Israel and Egypt, are safe, according to Antiquity…. On the eve of the war they were packed up and put safely in a strong room in the basement of the Palestine Archaeological Museum (Rockefeller Museum), according to a reliable authority. —  Science News, January 20, 1968

    Update...
    01/04/2018 - 12:30 Archaeology
  • News

    A deadly fungus is infecting snake species seemingly at random

    It doesn’t matter if it’s a burly rattler or a tiny garter snake. A deadly fungal disease that’s infecting snakes in the eastern and midwestern United States doesn’t appear to discriminate by species, size or habitat, researchers report online December 20 in Science Advances.

    The infection, caused by the fungal pathogen Ophidiomyces ophiodiicola, can cover snakes’ bodies with lesions...

    12/20/2017 - 16:35 Fungi, Animals, Ecology