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E.g., 03/27/2015
E.g., 03/27/2015
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  • Mystery Solved

    Enigmatic 17th century nova wasn’t a nova at all

    In 1670, European astronomers were all talking about a hot “new” star near the head of the swan constellation, Cygnus. Later dubbed Nova Vul 1670, the star burned bright for two years and then mysteriously vanished. Modern astronomers have long speculated that their 17th century counterparts had observed a nova — an exploding white dwarf. That would make it the oldest recorded observation of a...

    03/27/2015 - 08:00 Astronomy
  • Science Ticker

    For bats, simple traffic patterns limit collisions

    Humans aren’t the only ones who follow traffic rules. Bats do it too, researchers report March 26 in PLOS Computational Biology.

    Scientists eavesdropped on echolocating Daubenton’s bats (Myotis daubentonii) as the animals cruised for dinner. Once a bat locks on to a peer’s  sonar...

    03/26/2015 - 18:34 Animals
  • News in Brief

    Ebola virus not mutating as quickly as thought

    The virus causing the current Ebola epidemic in West Africa is not evolving as quickly as some scientists had suggested.

    In a paper last August, researchers reported that the virus (Zaire ebolavirus) was altering its genes almost twice as fast as it had during previous Ebola outbreaks in Central Africa (...

    03/26/2015 - 14:22 Genetics
  • News in Brief

    Long-term study complicates understanding of child abuse

    Official reports of child abuse may overestimate the tendency of such maltreatment to run in families. Parents who were abused themselves as kids are more likely than nonabused parents to be reported to authorities after having sexually abused or neglected their own children, a new study finds. Yet child protective service agencies should not assume that child abuse and neglect only or mostly...

    03/26/2015 - 14:00 Psychology
  • News in Brief

    Antarctic ice shelves rapidly melting

    Antarctica’s ice shelves are shrinking at an accelerating rate, one of the longest satellite records of ice thickness reveals. Researchers report online March 26 in Science that several West Antarctic ice shelves are now on pace to disappear completely within 100 years.

    Floating ice shelves mark the...

    03/26/2015 - 14:00 Climate, Earth
  • News

    No-fishing scheme in Great Barrier Reef succeeds with valuable fishes

    An ambitious, hotly debated system of no-take reserves inside the Great Barrier Reef Marine Park has boosted the population of its most commercially valuable fishes, says the first 10-year progress report.

    Coral trout (Plectropomus species) are now more common and bigger in protected spots than in comparable places still being fished,...

    03/26/2015 - 12:15 Conservation, Animals, Science & Society
  • Science Ticker

    NASA has a plan for putting rock from asteroid in moon’s orbit

    Okay, here’s the plan: In 2020, we’ll fly a probe to an asteroid, look for a boulder to steal, pluck it off the asteroid with robotic arms, try to deflect the asteroid using our spacecraft’s gravity, fly back home, deposit the boulder in orbit around the moon, and wait for humans to visit the space rock around 2025.

    This is the concept NASA has selected for its...

    03/25/2015 - 17:46 Planetary Science, Astronomy
  • Science Ticker

    John Nash, Louis Nirenberg share math’s Abel Prize

    The 2015 Abel Prize, sometimes called the Nobel Prize of mathematics, will go to John F. Nash Jr. and Louis Nirenberg for work on partial differential equations, which are important in both pure math and describing natural phenomena.

    Nash, of Princeton University and well-known as the subject of the book and movie A Beautiful Mind, shared...

    03/25/2015 - 16:53 Science & Society, Numbers
  • News in Brief

    Idea for new battery material isn’t nuts

    DENVER — Packed into boxes, foam peanuts provide gentle protection. But stuffed into a lithium-ion battery, they pack a powerful electrical punch, researchers reported March 23 at the national meeting of the American Chemical Society.

    When baked and crushed, packing peanuts made of...

    03/25/2015 - 15:00 Chemistry, Materials
  • News

    Iceland lays bare its genomes

    By pinpointing a suite of dysfunctional genes, a detailed genetic portrait of the Icelandic population has helped scientists identify rare gene variants associated with Alzheimer’s disease and other medical problems.

    An international team of researchers working with deCODE, a genetics company based in Reykjavík, Iceland, determined...

    03/25/2015 - 14:51 Genetics, Evolution, Biomedicine