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Detecting small metallic contaminants in food via magnetization

July 30, 2015 9:47 am | by Toyohashi University of Technology | Comments

The detection of metallic contaminants in foods is important for our health and safety. However, existing inspection methods have limitations. For instance, the X-ray radiation method cannot detect contaminants with sizes smaller than 1 mm with current practical X-ray levels...


3-D human skin models could replace animal testing to assess dermal sensitivity to medical device

July 30, 2015 9:45 am | by Mary Ann Liebert, Inc./Genetic Engineering News | Comments

New research shows that exposing a 3D human skin tissue model to extracts of medical device materials can detect the presence of sensitizers known to cause an allergic response on contact in some individuals. Conventional skin sensitization testing of medical devices relies on animal testing...


Shoring up Tor

July 30, 2015 9:44 am | by Massachusetts Institute of Technology | Comments

With 2.5 million daily users, the Tor network is the world's most popular system for protecting Internet users' anonymity. For more than a decade, people living under repressive regimes have used Tor to conceal their Web-browsing habits from electronic surveillance, and websites hosting content that's been deemed subversive have used it to hide the locations of their servers....


A cost-effective solution to tuned graphene production

July 30, 2015 9:38 am | by Institute of Physics | Comments

Graphene has been called the miracle material but the single-atomic layer material is still seeking its place in the materials world. Now a method to make 'defective' graphene could provide the answer....

Tiny grains of rice hold big promise for greenhouse gas reductions, bioenergy

July 30, 2015 9:36 am | by DOE/Pacific Northwest National Laboratory | Comments

Rice serves as the staple food for more than half of the world's population, but it's also the one of the largest manmade sources of atmospheric methane, a potent greenhouse gas...

Meet the high-performance single-molecule diode

July 30, 2015 9:33 am | by DOE/Lawrence Berkeley National Laboratory | Comments

A team of researchers from Berkeley Lab and Columbia University has passed a major milestone in molecular electronics with the creation of the world's highest-performance single-molecule diode....


Just say 'No' to drugs -- in water

July 30, 2015 9:31 am | by American Society of Agronomy | Comments

Remember the science fair? For some of us it was an exciting time of creative experimentation. For others it was a time of botched and badly displayed data. For 16-year-old Maria Elena Grimmett, it's a blast. And she isn't peddling baking soda and vinegar volcanoes....


Study shows successful transport of blood samples with small drones

July 30, 2015 9:27 am | by Johns Hopkins Medicine | Comments

In a proof-of-concept study at Johns Hopkins, researchers have shown that results of common and routine blood tests are not affected by up to 40 minutes of travel via hobby-sized drones....


Will the Internet listen to your private conversations?

July 30, 2015 9:22 am | by MICHAEL LIEDTKE, Associated Press | Comments

ike a lot of teenagers, Aanya Nigam reflexively shares her whereabouts, activities and thoughts on Twitter, Instagram and other social networks without a qualm. But Aanya's care-free attitude dissolved into paranoia a few months ago shortly after her mother bought Amazon's Echo...


Toyota robot can pick up after people, help the sick

July 30, 2015 9:20 am | by YURI KAGEYAMA | Comments

Toyota's new robot that glides around like R2-D2 is devoted to a single task: picking things up. HSR, short for "human support robot," comes with a single mechanical arm that can grasp objects of various shapes and sizes and also pick up smaller items with a tiny suction cup...


Amazon wants air space for delivery drones

July 29, 2015 10:23 am | by Agence France-Presse | Comments

Online retail colossus Amazon wants to carve out a special zone of the sky to shuttle commercial drones that would deliver goods to its customers. Amazon Prime Air project vice president Gur Kimchi used a NASA convention in California on Tuesday to fly the idea of dedicating separate air zones for commercial drones...


NTSB: Company should have prepared for human error

July 29, 2015 10:20 am | by Kevin Freking, Associated Press | Comments

The developer of the commercial spacecraft that broke apart during a test flight over California's Mojave Desert last year failed to protect against human error, specifically the co-pilot unlocking a braking system too quickly and triggering the accident that killed him, federal investigators said Tuesday...


NASA Mars Orbiter preparing for Mars lander's 2016 arrival

July 29, 2015 10:17 am | by NASA, Jet Propulsion Laboratory, California Institute of Technology | Comments

With its biggest orbit maneuver since 2006, NASA's Mars Reconnaissance Orbiter (MRO) will prepare this week for the arrival of NASA's next Mars lander, InSight, next year...


FAA investigating airliner that nearly ran out of fuel

July 29, 2015 10:13 am | by The Associated Press | Comments

Federal officials are investigating why an Allegiant Air passenger jet nearly ran out of fuel before landing at an airport that was temporarily closed to most traffic...


5 things to know about artificial intelligence & its use

July 29, 2015 10:10 am | by Richard Lardner, Associated Press | Comments

In the sci-fi thriller "Ex Machina," the wonders and dangers of artificial intelligence are embodied in a beautiful, cunning android named Ava. She puts her electronic smarts to work with frightening results, manipulating and outwitting her human handlers...


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