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Ebola vaccine trial suspended after side effects

December 11, 2014 12:12 pm | by Associated Press | Comments

Swiss researchers have suspended the testing of one of the leading Ebola vaccine candidates after some volunteers reported unexpected side effects.                             

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Baby steps toward molecular robots

December 11, 2014 8:32 am | Comments

A walking molecule, so small that it cannot be observed directly with a microscope, has been recorded taking its first nanometer-sized steps. It's the first time that anyone has shown in real time that such a tiny object – termed a "small molecule walker" – has taken a series of steps.

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Meniscus regenerated with 3-D-printed implant

December 11, 2014 8:25 am | Comments

Researchers have devised a way to replace the knee’s protective lining, called the meniscus, using a personalized 3D-printed implant, or scaffold, infused with human growth factors that prompt the body to regenerate the lining on its own. The therapy, successfully tested in sheep, could provide the first effective and long-lasting repair of damaged menisci.

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Physicists explain puzzling particle collisions

December 11, 2014 8:21 am | Comments

An anomaly spotted at the Large Hadron Collider has prompted scientists to reconsider a mathematical description of the underlying physics. By considering two forces that are distinct in everyday life but unified under extreme conditions like those within the collider and just after the birth of the universe, they have simplified one description of the interactions of elementary particles. 

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‘High-entropy’ alloy is as light as aluminum, as strong as titanium alloys

December 11, 2014 8:09 am | Comments

Researchers have developed a new “high-entropy” metal alloy that has a higher strength-to-weight ratio than any other existing metal material. High-entropy alloys are materials that consist of five or more metals in approximately equal amounts. 

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New way to plug 'leaky' light cavities

December 11, 2014 8:07 am | Comments

Engineers at the University of California, San Diego have demonstrated a new and more efficient way to trap light, using a phenomenon called bound states in the continuum (BIC) that was first proposed in the early days of quantum wave mechanics.

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New form of ice could explore avenues for energy production and storage

December 11, 2014 8:01 am | Comments

The discovery of a new form of ice could lead to an improved understanding of our planet’s geology, potentially helping to unlock new solutions in the production, transportation and storage of energy. Ice XVI, the least dense of all known forms of ice, has a highly symmetric cage-like structure that can trap gaseous molecules to form compounds known as clathrates or gas hydrates.

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New way to turn genes on

December 10, 2014 2:37 pm | by Anne Trafton, MIT | Comments

Using a gene-editing system originally developed to delete specific genes, MIT researchers have now shown that they can reliably turn on any gene of their choosing in living cells.                    

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Organic electronics could lead to cheap, wearable medical sensors

December 10, 2014 2:19 pm | by Sarah Yang, UC Berkeley | Comments

Future fitness trackers could soon add blood-oxygen levels to the list of vital signs measured with new technology developed by engineers.                               

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‘Electronic skin’ detects pressure from different directions

December 10, 2014 2:12 pm | by American Chemical Society | Comments

For the first time, scientists report the development of a stretchable “electronic skin” closely modeled after our own that can detect not just pressure, but also what direction it’s coming from.                

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‘Smart windows’ have potential to keep heat out, save energy

December 10, 2014 2:07 pm | by American Chemical Society | Comments

Scientists are developing a new kind of “smart window” that can block out heat when the outside temperatures rise. The advance could one day help consumers better conserve energy on hot days and reduce electric bills.       

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NASA, Houston hospital work on spacesuit issue

December 10, 2014 2:00 pm | by Juan A. Lozano, Associated Press | Comments

The empty spacesuit that sat on the operating table in a lab at Houston Methodist Hospital's research institute made for an unusual patient.                               

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Nanotechnology battles malaria parasites

December 10, 2014 8:04 am | Comments

Malaria parasites invade human red blood cells, which they bring to burst and infect others. Researchers at the University of Basel and the Swiss Tropical and Public Health Institute called nano imitations of host cell membranes have developed that deceive and trick the pathogen. This could lead to novel therapeutic and vaccine strategies against malaria and other infectious diseases.

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Contact lens merges plastics and active electronics via 3-D printing

December 10, 2014 7:56 am | Comments

As part of a project demonstrating new 3-D printing techniques, Princeton researchers have embedded tiny light-emitting diodes into a standard contact lens, allowing the device to project beams of colored light. The lens is not designed for actual use, though. Instead, the team created the device to demonstrate the ability to 3-D print electronics into complex shapes and materials.

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Defects are perfect in laser-induced graphene

December 10, 2014 7:50 am | Comments

Researchers at Rice University have created flexible, patterned sheets of multilayer graphene from a cheap polymer by burning it with a computer-controlled laser. The process works in air at room temperature and eliminates the need for hot furnaces and controlled environments, and it makes graphene that may be suitable for electronics or energy storage.

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