Science news

• [Research Article] The lysine deacetylase Sirtuin 1 modulates the localization and function of the Notch1 receptor in regulatory T cells

  05-04-2017 22:27 via stke.sciencemag.org
  Sirt1-mediated deacetylation of the intracellular domain of Notch1 promotes Treg cell survival.
  
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• [Research Article] The conformational state of hERG1 channels determines integrin association, downstream signaling, and cancer progression

  05-04-2017 22:27 via stke.sciencemag.org
  Whether hERG1 potassium channels promote proliferation or metastasis in breast cancer cells depends on channel conformation.
  
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• [Research Article] Astrocyte-shed extracellular vesicles regulate the peripheral leukocyte response to inflammatory brain lesions

  05-04-2017 22:27 via stke.sciencemag.org
  Vesicles shed from astrocytes after brain trauma trigger hepatic cytokine release to mobilize the peripheral immune response.
  
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• [Editors' Choice] Impaired phagocytosis in Fragile X

  05-04-2017 22:27 via stke.sciencemag.org
  Defects in phagocytosis underlie both neurological and immunological symptoms in a fly model of Fragile X syndrome.
  
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• [Editors' Choice] A link closer to glioblastoma therapy

  05-04-2017 22:27 via stke.sciencemag.org
  A next-generation mTOR inhibitor combines features of its predecessors to more potently and durably inhibit the growth of glioblastoma in mice.
  
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• New species of 'Spider-Man' worm-snail discovered

  05-04-2017 21:38 via cbc.ca
  
  It's a worm. It's a snail. It's... Spider-Man? Scientists have discovered a new species of a marine creature called a worm-snail that shoots out a substance much like a web from the popular comic book superhero.
  
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• Watch Live Today: Exploring Pure Mathematics Through Baking [Video]

  05-04-2017 20:50 via rss.sciam.com
  
  Mathematician Eugenia Cheng will describe how cooking can offer insight into abstract math
  -- Read more on ScientificAmerican.com
  
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• RCMP reveals use of secretive cellphone surveillance technology for the first time

  05-04-2017 20:30 via cbc.ca
  
  The RCMP for the first time is publicly confirming it uses cellphone surveillance devices in investigations across Canada.
  
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• Language heard, but never spoken, by young babies bestows a hidden benefit

  05-04-2017 20:00
  
  Adults who as babies heard but never spoke Korean benefited from their latent language knowledge decades later, a new study finds.
  
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• Massive red, dead galaxy spotted in young universe

  05-04-2017 19:00
  
  A hefty red, dead galaxy may raise questions about how galaxies formed in the early universe.
  
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• Devices that track, spy on cellphones found at Montreal's Trudeau airport

  05-04-2017 18:00 via cbc.ca
  
  If you were recently at Montreal's Trudeau International Airport, someone may have been spying on your cellphone, a revelation that comes after a joint CBC/Radio-Canada investigation found electronic surveillance devices near Parliament Hill.
  
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• Short timelines for environmental assessments not working, says expert panel

  05-04-2017 17:54 via cbc.ca
  
  An expert panel says the "one size fits all" approach to environmental assessments in Canada isn't working, and neither is limiting the number of people who can talk at hearings into big projects.
  
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• If there are curious young minds, science will survive

  05-04-2017 16:40
  Acting Editor in Chief Elizabeth Quill discusses the unending search for scientific knowledge.
  
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• Readers question mental health research

  05-04-2017 16:39
  Maintaining mental health, protecting ocean critters and more in reader feedback.
  
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• A Tiny Detection Chip Could Find Methane Leaks Autonomously

  05-04-2017 16:15 via rss.sciam.com
  
  IBM will soon field-test technology that sees methane leaking from oil and gas well pads
  -- Read more on ScientificAmerican.com
  
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• European history on repeat: Study finds evidence of 'Brexit 1.0'

  05-04-2017 16:14
  
  LONDON, (Reuters) - Scientists have found evidence of how ancient Britain separated from Europe in what they are dubbing "Brexit 1.0" - a flooding event that happened in two stages thousands of years ago.
  
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• CRISPR had a life before it became a gene-editing tool

  05-04-2017 15:00
  
  Before it was a tool, CRISPR was a weapon in the never-ending war between microbes and viruses
  
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• Quebec's Lanaudière region quietly emerges as electric car capital of Canada

  05-04-2017 14:49 via cbc.ca
  
  The region of Lanaudière, north of Montreal, has the highest per capita electric car ownership in Quebec, according to the provincial electric vehicle association. Quebec accounted for nearly half of all of Canada's electric car sales last year.
  
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• The Hard Truth about the Rhino Horn "Aphrodisiac" Market

  05-04-2017 12:45 via rss.sciam.com
  
  Media coverage hyping the supposed use of rhino horn to pump up sex drive does no favors for conservation efforts
  -- Read more on ScientificAmerican.com
  
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• Mysterious cosmic explosion detected by astronomers

  05-04-2017 11:00 via cbc.ca
  
  In October 2014, the blackness of space lit up with a sudden outburst of x-rays. In just a few hours' time, the source became brighter by a factor of 1,000. A day later it was gone. And astronomers don't know what it was.
  
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• Event Horizon Telescope to try to capture images of elusive black hole edge

  05-04-2017 11:00
  
  Network of radio observatories will attempt a first-ever glimpse at an event horizon.
  
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• Veterinary professionals need to change how they connect with their clients

  05-04-2017 06:00
  
  (University of Bristol) When advising on animal health and welfare, veterinarians often struggle to engage with the motivational needs of their clients. New research has shown a change is needed in how veterinarians communicate with and advise animal owners, to promote engagement with their advice and protect the animals in their care.
  
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• This Week from AGU: Weak solar activity could expose aircrews to higher radiation

  05-04-2017 06:00
  
  (American Geophysical Union) Impending weak solar activity could expose aircrews to higher radiation levels.
  
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• SwRI managing development of OCTOCAM astronomical instrument

  05-04-2017 06:00
  
  (Southwest Research Institute) The Gemini Observatory has named Southwest Research Institute (SwRI) as prime contractor to develop OCTOCAM, a next-generation astronomical instrument to complement the 8-meter Gemini South telescope in Chile. OCTOCAM is a unique fast-multichannel imager and spectrograph, providing rapid exposures of high-resolution images and color spectra from ultraviolet to infrared wavelengths.
  
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• Study examines effects of spaceflight on immune system

  05-04-2017 06:00
  
  (NASA/Johnson Space Center) Functional Immune, a new investigation taking place in the orbiting laboratory, studies previously uninvestigated areas of the body's immune response and if spaceflight alters a crew member's susceptibility to disease.
  
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• Scientists make progress on unravelling the puzzle of merging black holes

  05-04-2017 06:00
  
  (University of Birmingham) Astrophysicists at the University of Birmingham have made progress in understanding a key mystery of gravitational-wave astrophysics: how two black holes can come together and merge.
  
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• Peering into black holes using an Earth-sized telescope

  05-04-2017 06:00
  
  (University of Massachusetts at Amherst) Turning the Earth into one giant telescope by coordinating observations from instruments arrayed around the world, teams of radio astronomers are aiming their telescopes for the next 10 days at the thin edge -- also known as the event horizon -- of the super massive black hole at the center of our galaxy, the closest such object to Earth.
  
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• Overactive bladder drug linked with increased risk of depression

  05-04-2017 06:00
  
  (Wiley) A recent study found that women with overactive bladder who received antimuscarinics were 38 percent more likely to be diagnosed with depressive disorder within the next three years than those who did not receive antimuscarinics.
  
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• NASA's new spectrometer to help future crews cope with cosmic radiation

  05-04-2017 06:00
  
  (NASA/Johnson Space Center) One of the main health concerns of living and working in space is the long-term exposure to high levels of radiation. NASA scientists have developed a new device to monitor radiation exposure to neutrons and are testing it on the International Space Station.
  
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• NASA's Aqua satellite spots development of Tropical Storm 14P in South Pacific Ocean

  05-04-2017 06:00
  
  (NASA/Goddard Space Flight Center) NASA's Aqua satellite analyzed cloud top temperatures in newly formed Tropical Cyclone 14P in the Southern Pacific Ocean. Infrared data showed strongest thunderstorms were on one side of the tropical cyclone as a result of wind shear.
  
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• Exploring the mysteries of the universe

  05-04-2017 06:00
  
  (University of Cologne) A team of researchers from Cologne, Bonn, the USA, and Canada have formed a consortium to build the new Cerro Chajnantor Atacama Telescope (CCAT-prime) at an altitude of 5,600 meters in Chile's Atacama Desert. A German company is constructing the telescope.
  
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• Could targeting oxtyocin help treat opioid addiction?

  05-04-2017 06:00
  
  (Wiley) A new review of published research indicates that the oxytocin system -- a key player in social reward and stress regulation -- is profoundly affected by opioid use. Therefore, it may be an important target for developing medications to treat opioid addiction and to prevent relapse.
  
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• Charting the skies of history

  05-04-2017 06:00
  
  (Kyoto University) Ice cores and ancient sediments can be gleaned for clues to weather and climate in the past. But astronomical phenomena -- such as solar flares or auroras -- at best leave only faint environmental traces lacking in specificity. Now in a collaborative effort between researchers at Kyoto University and Japan's National Institute of Polar Research (NIPR) and National Institute of Japanese Literature (NIJL) have used historical documents to garner better insight into the patterns
  
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• Carbon nanotubes self-assemble into tiny transistors

  05-04-2017 06:00
  
  (University of Groningen) Carbon nanotubes can be used to make very small electronic devices, but they are difficult to handle. University of Groningen scientists, together with colleagues from the University of Wuppertal and IBM Zurich, have developed a method to select semiconducting nanotubes from a solution and make them self-assemble on a circuit of gold electrodes. The results were published in the journal Advanced Materials on April 5.
  
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• Breakthrough telescope to map origins of stars, galaxies and the 'cosmic dawn'

  05-04-2017 06:00
  
  (Cornell University) A unique and powerful telescope capable of mapping the sky at submillimeter and millimeter wavelengths is headed to South America. With a slated completion date of 2021, the 6-meter aperture telescope, Cerro Chajnantor Atacama Telescope-prime (CCAT-p), will be located near the summit of Cerro Chajnantor in the Atacama Desert in Chile.
  
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• United Launch Alliance cuts Atlas rocket price amid competition

  05-04-2017 04:10
  
  COLORADO SPRINGS, Colo. (Reuters) - United Launch Alliance has dropped the price of its workhorse Atlas 5 rocket flights by about one-third in response to mounting competition from rival SpaceX and others, the company’s chief executive said on Tuesday.
  
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• Russia open to extending international space station partnership: agency chief

  05-04-2017 03:59
  
  COLORADO SPRINGS, Colo. (Reuters) - Russia is open to extending its partnership in the International Space Station with the United States, Europe, Japan and Canada beyond the currently planned end of the program in 2024, the head of the Russian space agency said on Tuesday.
  
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• Cassini spacecraft to dive inside Saturn's rings for mission finale

  05-04-2017 03:03
  
  (Reuters) - NASA is preparing to send its long-lived Cassini probe into the unexplored region between Saturn and its rings for a scientific grand finale before the spacecraft's suicidal plunge into the planet, space officials said on Tuesday.
  
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• World is home to '60,000 tree species'

  05-04-2017 01:43 via bbc.co.uk
  
  Researchers estimate that there are 60,065 species of trees in the world.
  
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