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E.g., 09/27/2016
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  • Science Ticker

    First ‘three-parent baby’ born from nuclear transfer

    A baby boy born on April 6 is the first person to be born from a technique used to cure mitochondrial diseases, New Scientist reports.

    The child’s mother carries Leigh syndrome, a fatal disease caused by faulty mitochondria. Mitochondria generate most of a cell’s energy and perform other functions that keep cells healthy. Each mitochondria has a circle of DNA containing 37 genes needed...

    09/27/2016 - 18:14 Genetics, Cells, Science & Society
  • Science Ticker

    Measles has been eliminated in the Americas, WHO says

    A half-century after scientists first introduced a vaccine to combat measles, the disease has been eliminated from a swath of the globe stretching from Canada to Chile — and all the countries in between.

    The region is the first in the world to have eliminated the viral disease, the Pan American Health Organization and World Health Organization announced September 27. That’s different...

    09/27/2016 - 15:11 Health
  • News in Brief

    Barnacles track whale migration

    DENVER — Barnacles can tell a whale of a tale. Chemical clues inside barnacles that hitched rides on baleen whales millions of years ago could divulge ancient whale migration routes, new research suggests.

    Modern baleen whales migrate thousands of kilometers annually between breeding and feeding grounds, but almost nothing is known about how these epic journeys have changed over time....

    09/27/2016 - 12:01 Animals, Paleontology, Oceans
  • For Daily Use

    Wi-Fi can help house distinguish between members

    In smart homes of the future, computers may identify inhabitants and cater to their needs using a tool already at hand: Wi-Fi. Human bodies partially block the radio waves that carry the wireless signal between router and computer. Differences in shape, size and even gait among household members yield different patterns in the received Wi-Fi signals. A computer can analyze the signals to...

    09/27/2016 - 06:00 Technology
  • News in Brief

    Europa spouting off again

    Jupiter’s moon Europa might once again be venting water into space, further supporting the idea that an ocean hides beneath its thick shell of ice, researchers reported September 26 at a news conference. 

    Plumes erupting from the moon’s surface, silhouetted against background light from Jupiter, appear in several images taken by the Hubble Space Telescope in early 2014. The geysers —...

    09/26/2016 - 17:18 Planetary Science
  • News in Brief

    Methane didn’t warm ancient Earth, new simulations suggest

    Methane wasn’t the cozy blanket that kept Earth warm hundreds of millions of years ago when the sun was dim, new research suggests.

    By simulating the ancient environment, researchers found that abundant sulfate and scant oxygen created conditions that kept down levels of methane — a potent greenhouse gas — around 1.8 billion to 800 million years ago (SN: 11/14/15, p. 18). So something...

    09/26/2016 - 15:00 Climate, Earth, Oceans
  • News

    Mercury’s surface still changing

    Mercury has gotten some new wrinkles in its old age. The innermost planet shows signs of relatively recent tectonic activity, a new study suggests.

    Tiny cliffs on the surface — just tens of meters high and a few kilometers long — resemble breaks in the planet’s crust, researchers report online September 26 in Nature Geosciences. The diminutive sizes of the cliffs, their sharp edges and...

    09/26/2016 - 11:00 Planetary Science
  • News

    Ancient Maya codex not fake, new analysis claims

    A bark-paper document with a weird backstory and a reputation as a possible forgery is the real deal, researchers say. If true, that increases the likelihood that the plaster-coated book covered with painted images and writing is the earliest known manuscript from ancient America, dating back to the 13th century.No forger could have known how to reproduce all the bookmaking techniques, colored...

    09/26/2016 - 07:00 Archaeology, Anthropology
  • News

    Sugar industry sought to sugarcoat causes of heart disease

    Using records unearthed from library storage vaults, researchers recently revealed that the sugar industry paid nutrition experts from Harvard University to downplay studies linking sugar and heart disease. Although the incident happened in the 1960s, it appears to have helped redirect the scientific narrative for decades.

    The documents — which include correspondence, symposium programs...

    09/25/2016 - 09:00 Health, Science & Society, Nutrition
  • News

    Nuclear blasts, other human activity signal new epoch, group argues

    Humankind’s bombs, plastics, chickens and more have altered the planet enough to usher in a new chapter in Earth’s geologic history. That’s the majority opinion of a group of 35 experts tasked with evaluating whether the current human-dominated time span, unofficially dubbed the Anthropocene, deserves a formal place in Earth’s geologic timeline alongside the Eocene and the Pliocene.

    In a...

    09/25/2016 - 06:00 Earth, Climate, Science & Society