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Athanasia Nikolaou

NASA Vesta Trek - 2 views

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    NASA Releases Tool Enabling Citizen Scientists to Examine Asteroid Vesta

    Vesta Trek is a free, web-based application that provides detailed visualizations of Vesta, one of the largest asteroids in our solar system.

    NASA's Dawn spacecraft studied Vesta from July 2011 to September 2012. Data gathered from multiple instruments aboard Dawn have been compiled into Vesta Trek's user-friendly set of tools, enabling citizen scientists and students to study the asteroid's features. The application includes:

    -- Interactive maps with the ability to overlay a growing range of data sets including topography, mineralogy, abundance of elements and geology, as well as analysis tools for measuring the diameters, heights and depths of surface features and more.

    -- 3-D printer-exportable topography so users can print physical models of Vesta's surface.

    -- Standard keyboard gaming controls to manoever a first-person visualization of "flying" across the surface of the asteroid.

    "There's nothing like seeing something with your own eyes, but these types of detailed data-visualizations are the next best thing," said Kristen Erickson, Director, Science Engagement and Partnerships at NASA Headquarters in Washington DC.
jcunha

Medical Xpress: Newly discovered hormone mimics the effects of exercise - 0 views

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    "Hormones are molecules that act as the body's signals, triggering various physiological responses. The newly discovered hormone, dubbed "MOTS-c," primarily targets muscle tissue, where it restores insulin sensitivity, counteracting diet-induced and age-dependent insulin resistance."

    Good news for long distance space travelers?
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    as well as lazy couch potatoes
Thijs Versloot

Alien star invaded the Solar System - 1 views

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    An alien star passed through our Solar System just 70,000 years ago, astronomers have discovered. No other star is known to have approached this close to us. An international team of researchers says it came five times closer than our current nearest neighbour - Proxima Centauri.

    Passing straight through the Oort Cloud region. This must have left some sort of mark maybe? A binary system of a red and brown dwarf (8% and 6% solar masses) so maybe not a too significant impact on trajectories in the Oort cloud?
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    I read this earlier and thought it might be another one of those alien conspiracy stuff. Freaky stuff.
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    what about taking a ride on one of these? - especially if they come with some companion planets? when is the next shuttle coming?
annaheffernan

Mining the moon - 1 views

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    Mining the moon - now we know that the Moon's poles hold millions of tonnes of water ice, firms in the US as well as the Indian and Chinese space agencies are planning to mine this resource and sell it to space missions as fuel.
annaheffernan

Lost Beagle 2 spacecraft found intact on Martian surface - 0 views

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    The UK-led Beagle 2 Mars lander, thought lost on the red planet since 2003, has been found partially deployed on the Martian surface. New images show that it successfully touched down on the planet's surface in 2003 but failed to deploy all four of its solar panels, thereby allowing no communication with scientists on Earth.
annaheffernan

New apps allow smartphone users to join the hunt for ultrahigh-energy cosmic rays - 0 views

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    Two apps - the Distributed Electronic Cosmic-ray Observatory (DECO) and Cosmic Rays Found in Smartphones (CRAYFIS) - transform smartphones into miniature cosmic-ray detectors. They use the CMOS chips inside phones' onboard cameras to detect the secondary particles produced when cosmic rays - energetic, charged subatomic particles arriving from beyond the solar system - collide with air molecules in the Earth's atmosphere
jcunha

Cloud cities for Venus exploration - 3 views

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    Our friends from NASA have come out with a plan to the human exploration of Venus in the time that everyone is speaking about Mars.
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    Love the concept acronym, which pretty much says it all... Not sure which astronaut would fancy floating around in an atmosphere where clouds are made of sulphuric acid.
    Besides I don't see the point of a manned mission if one can't reach the surface.. tele-operation would be easy and so much cheaper.
annaheffernan

Physicsworld top 10 breakthroughs of the year - at the top Rosetta - 3 views

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    Physicsworld releases their top 10 breakthroughs of the year 2014, ESA's Rosetta mission tops the list with the achievement of landing on a comet.
annaheffernan

Black-hole mergers cast kaleidoscope of shadows - 6 views

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    In Interstellar, the science-fiction film out this week, Matthew McConaughey stars as an astronaut contending with a supermassive black hole called Gargantua. The film's special effects have been hailed as the most realistic depiction ever made of this type of cosmic object. But astrophysicists have now gone one better - this is a really cool visualisation done by researchers in Cornell.
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    Wow, impressive! Simulating eXtreme Spacetimes (SXS) software, very quick merging process though 17ms.. Observable?
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    Mind-blowing!
johannessimon81

How Building a Black Hole for Interstellar Led to an Amazing Scientific Discovery | WIRED - 2 views

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    Kip Thorne looks into the black hole he helped create and thinks, "Why, of course. That's what it would do." This particular black hole is a simulation of unprecedented accuracy. It appears to spin at nearly the speed of light, dragging bits of the universe along with it.
Marcus Maertens

Five (Theoretical) Ways to Capture a Star - 2 views

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    Lets capture a star, shall we?
Tom Gheysens

Direct brain-to-brain communication demonstrated in human subjects -- ScienceDaily - 2 views

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    In a first-of-its-kind study, an international team of neuroscientists and robotics engineers has demonstrated the viability of direct brain-to-brain communication in humans.
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    Was just about to post it... :) It seems after transferring the EEG signals of one person, converting it to bits and stimulating some brain activity using magnetic stimulation (TMS) the receiving person actually sees 'flashes of light' in their peripheral vision. So its using your vision sense to get the information across. Would it not be better to try to see if you can generate some kind of signal in the part of your brain that is connected to 'hearing'? Or would this be me thinking too naive?
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    "transferring the EEG signals of one person, converting it to bits and stimulating some brain activity using magnetic stimulation (TMS)"

    How is this "direct"?
johannessimon81

Integral catches dead star exploding in a blaze of glory - 1 views

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    Astronomers using ESA's Integral gamma-ray observatory have demonstrated beyond doubt that dead stars known as white dwarfs can reignite and explode as supernovae. The finding came after the unique signature of gamma rays from the radioactive elements created in one of these ex...
Beniamino Abis

Two Suns Could Boost Odds of Habitable 'Exomoons' - 1 views

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    The habitable zones of single stars are larger and wider as the temperatures increase. Although hotter stars have the widest regions where water can lie on the surface, they also have short lifetimes that limit the ability of life to evolve. Moons in close binary solar systems have a better chance of hosting life than those in single-star systems, new research has shown.
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    looks like the study Aurélie wanted to do ...
Tom Gheysens

Chernobyl's birds adapting to ionizing radiation -- ScienceDaily - 0 views

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    birds in the exclusion zone around Chernobyl are adapting to -- and may even be benefiting from -- long-term exposure to radiation, ecologists have found. The study, published in the British Ecological Society's journal Functional Ecology, is the first evidence that wild animals adapt to ionizing radiation, and the first to show that birds which produce most pheomelanin, a pigment in feathers, have greatest problems coping with radiation exposure.
Tom Gheysens

The Moroccan flic-flac spider: A gymnast among the arachnids -- ScienceDaily - 5 views

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    New form of locomotion found in spiders.
    They say it could be used for a robot on Mars...don't immediately see how though. :)
  • ...2 more comments...
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    Before it gets out of control... I hope you realise that quoting "Science Daily" in the context of science is pretty much like using Daily Mail as your reference news agency?
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    I was just going to post the same story. Here is BTW a video of the intended type of robot: https://www.youtube.com/watch?v=OHo32JrkDRk&feature=youtu.be
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    True Marek :)
    The article does quote a Journal Paper though ..... published in zootaxa: a staggering 0.9 impact factor journal!! And watching the video you immediately understand why :)
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    I of course watched the video and have trouble sleeping since.
Tom Gheysens

Vitamin B3 might have been made in space, delivered to Earth by meteorites -- ScienceDaily - 0 views

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    Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis. The result supports a theory that the origin of life may have been assisted by a supply of key molecules created in space and brought to Earth by comet and meteor impacts.
Tom Gheysens

Did dark matter kill the dinosaurs? : Nature News & Comment - 1 views

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    theoretical physicists... :)

    Read the last sentence of the paper...in this way anyone can publish in nature...just make a good story with little evidence

    Did dark matter kill the dinosaurs?
    The Solar System's periodic passage through a 'dark disk' on the galactic plane could trigger comet bombardments that would cause mass extinctions.
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    Hmm.. right.. then again, this is not an actual journal publication but a news broadcast. But you are right that the name Nature is attached to it so the journal is definitely banking on their acquired status.
Tom Gheysens

First step towards 'programmable materials': Sheet metal that never rattles -- ScienceD... - 2 views

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    Very nice new concept for active vibration damping.
    I think this has huge potential for space applications
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