Science News

The Perfect Gap Turns Nanoparticles Into Sensors

(Shutterstock*)
(Shutterstock*)

Scientists have figured out the optimal gap needed between two gold nanoparticles to turn them into optical antennae. When the gap is optimal, the particles...




  • The Lycurgus Cup, at the British Museum. (Wikimedia Commons) Background: A concept image of nanotechnology (Kentoh/iStock/Thinkstock)

    Ancient Roman Nanotechnology Inspires Next-Generation Holograms for Information Storage

    The Lycurgus Cup, as it is known due to its depiction of a scene involving King Lycurgus of Thrace, is a 1,600-year-old jade green Roman... Read more

  • A sample of the atomically thin material molybdenum disulfide. (Rob Felt)

    Atomically Thin Material Generates Electricity

    Engineers have demonstrated that a single atomic layer of molybdenum disulfide (MoS2) can generate an electrical voltage when it’s stretched or compressed. The effect is... Read more

  • The current prototype is the size of the head of a ballpoint pen. Researchers hope to design a next-generation implant one-tenth that size. The goal is to produce smaller devices that could be used to create a network of electrodes to study the brains of experimental animals in ways not currently possible. (Arbabian Lab/Stanford School of Engineering)

    Ultrasound Powers Devices Deep Inside the Body

    Researchers would like to place very small implants deep inside our bodies to monitor health or treat pain. But providing electric power to implants without... Read more

  • An illustration of the ebola virus. (Bumbasor/iStock/Thinkstock)

    Are Some People Immune to Ebola?

    Experts say Ebola might be quietly inoculating a significant portion of the population—people who are exposed to the virus but never succumb to it or... Read more

  • "We're not surprised delay discounting appears in the realm of parental decision-making," says Nathan Call. "Clinicians know this is a problem. But I think if we can measure it, we can possibly predict it or change it." (Jonny Hughes/Flickr)

    Why Parents Give Up on Changing Kids’ Behavior

    People tend to focus on the short term, and care more about potential benefits that are available immediately. Psychologists and economists call this tendency for... Read more

  • (Dimitar_hr/iStock/Thinkstock)

    Scientists Find 18 New Viruses on NYC Rats

    The rats scurrying around New York City are carrying a number of pathogens that could be dangerous to humans, including life-threatening gastroenteritis. “New Yorkers are... Read more

  • Compact Fusion Reactor

    Lockheed Breakthrough: Nuclear-Fusion Reactors Tiny Enough to Power Aircraft

    Lockheed Martin announced Wednesday that it has made a breakthrough in developing a nuclear fusion reactor that measures only about 7 feet by 10 feet, that’s... Read more

  • A frame from the 1965 program premiere of “Lost in Space” shows the Robinson family in suspended animation. (CBS Television/Wikimedia Commons) Background: Ice (Shutterstock*); an illustration of a planet (Enrico Giuseppe Agostoni/iStock/Thinkstock)

    If People in Suspended Animation Are ‘Dead,’ Sticky Legal Issues Could Arise

    NASA has been talking recently of plans to put astronauts in suspended animation. A hospital in Pennsylvania is poised to put some patients into suspended animation... Read more

  • This Jan. 28, 2008 file photo shows a rainbow visible looking West from Palm Springs, Calif. next to an array of wind turbines. (AP Photo/Sandy Huffaker,File)

    Desertec Desert Solar Project Comes Unraveled

    BERLIN—It sounded like a good idea: build massive solar energy plants in the deserts of North Africa and the Middle East to supply Europe with... Read more

  • (Shutterstock*)

    Scientists Explain Why Nobody Puts Cheddar on Pizza

    The water molecules contained in the cheese atop the pizza heat up. In fairly short order, the water begins to boil. When that happens, the... Read more

  • "We may be able to use novae as a 'testbed' for improving our understanding of this critical stage of binary evolution," says Laura Chomiuk. Above, yellow depicts the material that is expelled just days after the stellar explosion. (Bill Saxton, NRAO/AUI/NSF)

    Gamma Rays Pour Out of Exploding Star

    A new discovery offers clues to the creation and origin of gamma rays, the highest-energy form of radioactive waves known in the universe. Using highly... Read more

  • Who doesn’t want more brain power? (Shutterstock*)

    Zapping the Brain With Tiny Magnetic Pulses Improves Memory

    The practice of physically stimulating the brain in order to alleviate symptoms of illness and injury has been around since the early 20th century. For... Read more

  • "If anything, the rhetoric and actions of political leaders demonstrate that hostility directed at the opposition is acceptable, even appropriate," says Shanto Iyengar. "While Republicans view fellow partisans as patriotic, well-informed, and altruistic, Democrats are judged to exhibit precisely the opposite traits." (Daniel Lobo/Flickr)

    Do Politics Divide Americans More Than Race?

    Democrats and Republicans are increasingly split along political party lines, and new research suggests those partisan sentiments are stronger than racial biases. “We were particularly... Read more

  • Members of the Army's 101st Airborne Division conduct a training exercise at Ft. Campbell, Ky., Thursday, Oct. 9, 2014. Members will travel to Liberia to build treatment centers and conduct medical training as part of the fight against the Ebola epidemic.  (AP Photo/The Courier-Journal, Stephen Lance Dennee)

    New Math Shows ‘True Scale’ of Ebola Outbreak

    A team of scientists has made new calculations about how the Ebola epidemic will develop, its scale, and perhaps how to stop it from spreading... Read more

  • PARIS, FRANCE - APRIL 23:  Anti-same sex marriage activists of the anti-gay marriage movement 'la Manif pour Tous' protest during a demonstration, a few hours after the French Parliament adopted gay marriage law at the Assemblee Nationale on April 23, 2013 in Paris, France. The bill was approved by a vote in Parliament of 331 to 225. (Photo by Antoine Antoniol/ Getty Images)

    French Gov’t Affirms Its Prohibition of Gestational Surrogacy

    PARIS–The French “La Manif pour tous” (Protest for All) movement has gathered 100,000 participants in Paris and Bordeaux on 6 October 2014. This movement, established... Read more

  • Sven Lidin, left , Staffan Nordmark, centre,  and Mans Ehrenberg at the  Royal Academy of Sciences  Wednesday Oct. 8, 2014  announce the Nobel Chemistry laureates 2014. Americans Eric Betzig and William Moerner and German scientist Stefan Hell  won the Nobel Prize in Chemistry for "the development of super-resolved fluorescence microscopy." The Royal Swedish Academy of Sciences says the work of the three scientists "has brought optical microscopy into the nanodimension." (AP Photo/Bertil Ericson)  SWEDEN

    Super-Zoom Microscopes Earn Chemistry Nobel to 2 Americans, 1 German

    STOCKHOLM—Three researchers won a Nobel Prize on Wednesday for giving microscopes much sharper vision than was thought possible, letting scientists peer into living cells with... Read more


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