Top Physical & Tech News
May 7, 2015

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May 7, 2015

May 6, 2015 — Shifting to renewable energy sources has been widely touted as one of the best ways to fight climate change, but even renewable energy can have a downside, as in the case of wind turbines' ... read more

May 6, 2015 — The Trace app turns a digital sketch that you draw on your smartphone screen -- heart, maple leaf, raindrop -- into a walking route that you can send to a friend. The recipient of the ... read more

Researchers Reverse Bacterial Resistance to Antibiotics in Lab

May 6, 2015 — The rise of antibiotic-resistant bacteria is a growing problem in the United States and the world. New findings by researchers in evolutionary biology and mathematics could help doctors better ... read more

Could Mobile Phone Data Help Bring Electricity to the Developing World?

May 6, 2015 — Researchers have used anonymized cell phone data to assess the feasibility of electrification options for rural communities in Senegal, demonstrating a potentially valuable approach to using data to ... read more

Airflow Model to Reduce Time on the Tarmac

May 6, 2015 — A mechanical engineering professor describes in a new article a new mathematical tool he developed to calculate the flow of turbulent air produced by a plane's wing tips when an airplane takes ... read more

Biologist Are Increasingly Becoming Data Scientists, Expert Says

May 6, 2015 — Biology is rapidly acquiring the character of a data science. Billions of data points on genes, proteins and other molecules are compiled in large files and systematically studied. This should lead ... read more

'Super-Cool' Way to Deliver Drugs

May 6, 2015 — Some substances, when they undergo a process called 'rapid-freezing' or 'supercooling,' remain in liquid form -- even at below-freezing temperatures. A new study is the first to ... read more

May 6, 2015 — Diagnosing a heart attack can require multiple tests using expensive equipment. But not everyone has access to such techniques, especially in remote or low-income areas. Now scientists have developed ... read more

May 6, 2015 — A clever combination of two different types of computer simulations enabled a group of researchers to uncover an unexpectedly cooperative group dynamic: the spontaneous emergence of resource sharing ... read more

May 6, 2015 — Convincing a large group of people to change its behavior is no popularity contest, a new study shows. In a novel experiment, researchers found that certain public health interventions work best when ... read more

May 6, 2015 — Research is aiming to improve search engines after finding online self-diagnosis of health conditions provides misleading results that can do more harm than ... read more

New Method Detects More Breast Cancer in Screening

May 6, 2015 — Tomosynthesis detects 40% more breast cancers than traditional mammography does, according to a major screening study. This is the first large-scale study to compare the screening method with regular ... read more

Non-Euclidean Geometries for Grid Cells

May 6, 2015 — Grid cells, space-mapping neurons of the entorhinal cortex of rodents, could also work for hyperbolic surfaces. A new study tests a model (a computer simulation) based on mathematical principles, ... read more

System Model for Calculating Mine Profitability

May 6, 2015 — A new system dynamic model makes it possible to plan the profitability of mining operations with greater precision than before. Researchers have developed a model based on system thinking that ... read more

Sensor Detects Spoilage of Food

May 6, 2015 — A sensor that detects ethanol in the headspace of a food package has been developed by scientists. Ethanol, in addition to carbon dioxide, has been found to be the main volatile spoilage metabolite ... read more

May 6, 2015 — Biological and medical scientists have been using flow cytometry to count cancer cells for the past 40 years. But the large instruments are expensive and can only be operated by trained personnel. By ... read more

May 6, 2015 — Storms are capable of paralyzing entire cities. Only recently, in the first week of April, large parts of Germany were deprived of power due to hurricane-force winds. Rail services were cancelled, ... read more

Do Online Comments Affect Your Medical Attitude and Decisions?

May 6, 2015 — A new study reveals that social media posts, product reviews, and word-of-mouth communication influences consumer’s attitudes and behaviors toward vaccinations and other health-related ... read more

Ethanol Refining May Release More of Some Pollutants Than Previously Thought

May 5, 2015 — Ethanol fuel refineries could be releasing much larger amounts of some ozone-forming compounds into the atmosphere than current assessments suggest, a new study finds. Airborne measurements downwind ... read more

Redesigned Systems May Increase Access to MRI for Patients With Implanted Medical Devices

May 5, 2015 — New technology may extend the benefits of magnetic resonance imaging to many patients whose access to MRI is currently limited. A redesign of the wire at the core of the leads that carry signals ... read more

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