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Astronomers find runaway galaxies

April 24, 2015 8:01 am | by Christine Pulliam, Harvard-Smithsonian Center for Astrophysics | News | Comments

We know of about two dozen runaway stars, and have even found one runaway star cluster escaping its galaxy forever. Now, astronomers have spotted 11 runaway galaxies that have been flung out of their homes to wander the void of intergalactic space.

New DNA codes for mammoths: Step toward bringing them back?

April 23, 2015 2:05 pm | by Malcolm Ritter, AP Science Writer, Associated Press | News | Comments

Scientists are getting their best look yet at the DNA code for the woolly mammoth, thanks to...

Soy: It’s good for eating, baking and cleaning up crude oil spills

April 23, 2015 9:11 am | by American Chemical Society | News | Comments

If you've studied ingredient labels on food packaging, you've probably noticed that soy lecithin...

From metal to insulator and back again

April 23, 2015 8:45 am | by Carnegie Institution | News | Comments

New work from the Carnegie Institution’s Russell Hemley and Ivan Naumov hones in on the physics...

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Scientists watch living taste cells in action

April 22, 2015 10:08 am | by Australian National Univ. | News | Comments

Scientists have, for the first time, captured live images of the process of taste sensation on the tongue. The international team imaged single cells on the tongue of a mouse with a specially designed microscope system.

Global warming more moderate than worst-case models

April 21, 2015 11:15 am | by Tim Lucas, Duke Univ. | News | Comments

A new study based on 1,000 years of temperature records suggests global warming is not progressing as fast as it would under the most severe emissions scenarios outlined by the Intergovernmental Panel on Climate Change (IPCC). The Duke-led study shows that natural variability in surface temperatures can account for observed changes in the recent rates of warming from decade to decade.

A better grasp of primate grip

April 21, 2015 10:59 am | by Jim Shelton, Yale Univ. | News | Comments

Scientists are coming to grips with the superior grasping ability of humans and other primates throughout history. In a new study, a research team led by Yale Univ. found that even the oldest known human ancestors may have had precision grip capabilities comparable to modern humans. This includes Australopithecus afarensis, which appears in the fossil record a million years before the first evidence of stone tools.

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Technology can transfer human emotions to your palm through air

April 20, 2015 8:03 am | by Univ. of Sussex | Videos | Comments

Human emotion can be transferred by technology that stimulates different parts of the hand without making physical contact with your body, a Univ. of Sussex-led study has shown. Sussex scientist Dr. Marianna Obrist has pinpointed how next-generation technologies can stimulate different areas of the hand to convey feelings of, for example, happiness, sadness, excitement or fear.

Could maple syrup help cut use of antibiotics?

April 17, 2015 8:42 am | by Chris Chipello, McGill Univ. | Videos | Comments

A concentrated extract of maple syrup makes disease-causing bacteria more susceptible to antibiotics, according to laboratory experiments by researchers at McGill Univ. The findings suggest that combining maple syrup extract with common antibiotics could increase the microbes’ susceptibility, leading to lower antibiotic usage.

Tracing dust samples using fungal DNA

April 16, 2015 12:33 pm | by Matt Shipman, News Services, North Carolina State Univ. | News | Comments

Researchers from North Carolina State Univ. and the Univ. of Colorado, Boulder, have developed a statistical model that allows them to tell where a dust sample came from within the continental U.S. based on the DNA of fungi found in the sample.

Why skin is resistant to tearing

April 14, 2015 8:21 am | by Ioana Patringenaru, Univ. of California, San Diego | News | Comments

Skin is remarkably resistant to tearing and a team of researchers from the Univ. of California, San Diego and the Lawrence Berkeley National Laboratory now have shown why. Using powerful x-ray beams and electron microscopy, researchers made the first direct observations of the micro-scale mechanisms that allow skin to resist tearing.

One step closer to renewable propane

April 10, 2015 12:02 pm | by Univ. of Manchester | News | Comments

Researchers at The Univ. of Manchester have made a significant breakthrough in the development of synthetic pathways that will enable renewable biosynthesis of the gas propane. This research is part of a program of work aimed at developing the next generation of biofuels.

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Ordinary clay can save the day

April 9, 2015 11:12 am | by Norwegian Univ. of Science and Technology | News | Comments

Carbon capture will play a central role in helping the nations of the world manage and reduce their greenhouse gas emissions. Many materials are being tested for the purpose of capturing carbon dioxide. But now researchers led by the Norwegian Univ. of Science and Technology have found that ordinary clay can work just as effectively as more advanced materials.

Turning to freshwater sources to fight drug-resistant tuberculosis

April 9, 2015 8:17 am | by American Chemical Society | News | Comments

The discovery of antibiotics produced by soil fungi and bacteria gave the world life-saving medicine. But new antimicrobials from this resource have become scarce as the threat of drug resistance grows. Now, scientists have started mining lakes and rivers for potential pathogen-fighters, and they’ve found one from Lake Michigan that is effective against drug-resistant tuberculosis.

Sea sponge anchors are natural models of strength

April 7, 2015 8:02 am | by Kevin Stacey, Brown Univ. | News | Comments

Life may seem precarious for the sea sponge known as Venus’ flower basket. Tiny, hair-like appendages made essentially of glass are all that hold the creatures to their seafloor homes. But fear not for these creatures of the deep. Those tiny lifelines, called basalia spicules, are fine-tuned for strength, according to new research led by Brown Univ. engineers.

Scientists develop perfume activated by sweat

April 2, 2015 7:46 am | by Queen’s Univ. Belfast | News | Comments

The first-ever perfume delivery system to ensure the more a person sweats, the better they will smell, has been developed by scientists at Queen’s Univ. Belfast. The researchers have developed a unique new perfume delivery system which releases more of its aroma when it comes into contact with moisture, meaning a person smells nicer when their sweat levels increase.

Diagnosis by keyboard

April 1, 2015 2:05 pm | by Anne Trafton, MIT News Office | Videos | Comments

Analyzing people’s keystrokes as they type on a computer keyboard can reveal a great deal of information about the state of their motor function, according to a new study. In the study, the researchers found that their algorithm for analyzing keystrokes could distinguish between typing done in the middle of the night, when sleep deprivation impairs motor skills, and typing performed when fully rested.

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Video gamers may learn visual tasks more quickly

April 1, 2015 8:44 am | by David Orenstein, Brown Univ. | News | Comments

Many studies show that video gamers perform better than non-gamers on certain visual tasks, like managing distractors and identifying targets, but a small new Brown Univ. study provides gamers with some cognitive bonus points. The study results suggest that gaming not only improves their visual skill but also may improve their learning ability for those skills.

Plants enable highly sensitive temperature sensors

March 31, 2015 12:32 pm | by Fabio Bergamin, ETH Zurich | News | Comments

Scientists from ETH Zurich have developed a thermometer that is at least 100 times more sensitive than previous temperature sensors. It consists of a bio-synthetic hybrid material of tobacco cells and nanotubes. Humans have been inspired by nature since the beginning of time. We mimic nature to develop new technologies, with examples ranging from machinery to pharmaceuticals to new materials.

Battery bounce test often bounces off target

March 31, 2015 8:15 am | by John Sullivan, Office of Engineering Communications, Princeton Univ. | News | Comments

Don't throw away those bouncing batteries. Researchers at Princeton Univ. have found that the common test of bouncing a household battery to learn if it is dead or not is not actually an effective way to check a battery's charge. 

Better traffic signals can cut greenhouse gas emissions

March 31, 2015 7:34 am | by David L. Chandler, MIT News Office | News | Comments

Sitting in traffic during rush hour is not just frustrating for drivers; it also adds unnecessary greenhouse gas emissions to the atmosphere. Now a study by researchers at Massachusetts Institute of Technology could lead to better ways of programming a city’s stoplights to reduce delays, improve efficiency and reduce emissions.

Disrupted biological clock linked to Alzheimer’s disease

March 27, 2015 11:58 am | by David Stauth, Oregon State Univ. | News | Comments

New research has identified some of the processes by which molecules associated with neurological diseases can disrupt the biological clock, interfere with sleep and activity patterns and set the stage for a spiral of health concerns that can include a decreased lifespan and Alzheimer’s disease.

A new kind of light bulb

March 26, 2015 8:25 am | by Univ. of Southern California | News | Comments

How many researchers does it take to change a light bulb? And how many lives could they save by changing it? The answer to both questions is larger than you might expect. In the developing world, light bulbs might as well be insect magnets. The light they emit, particularly the blue wavelengths of LED lights, is attractive to a range of insects, drawing them out from the night and straight to people's homes.

Metals used in high-tech products face future supply risks

March 25, 2015 11:08 am | by Kevin Dennehy, Yale Univ. | News | Comments

In a new paper, a team of Yale Univ. researchers assesses the “criticality” of all 62 metals on the Periodic Table of Elements, providing key insights into which materials might become more difficult to find in the coming decades, which ones will exact the highest environmental costs and which ones simply cannot be replaced as components of vital technologies.

Researchers identify 'tipping point' between quantum and classical worlds

March 24, 2015 3:50 pm | by Bar-Ilan University | News | Comments

Scientists have observed the point at which classical and quantum behavior converge. Using a fiber-based nonlinear process, the researchers were able to observe how, and under what conditions, "classical" physical behavior emerges from the quantum world.

Artificial sweetener could lead to new treatments for aggressive cancers

March 23, 2015 9:58 am | by American Chemical Society | News | Comments

Saccharin, the artificial sweetener that is the main ingredient in Sweet 'N Low, Sweet Twin and Necta, could do far more than just keep our waistlines trim. According to new research, this popular sugar substitute could potentially lead to the development of drugs capable of combating aggressive, difficult-to-treat cancers with fewer side effects.

Sewage could be a source of valuable metals, critical elements

March 23, 2015 8:42 am | by American Chemical Society | News | Comments

Poop could be a goldmine, literally. Surprisingly, treated solid waste contains gold, silver and other metals, as well as rare elements such as palladium and vanadium that are used in electronics and alloys. Now researchers are looking at identifying the metals that are getting flushed and how they can be recovered. This could decrease the need for mining and reduce the unwanted release of metals into the environment.

Theoretical study suggests huge lava tubes could exist on moon

March 20, 2015 7:37 am | by Elizabeth K. Gardner, Purdue Univ. | News | Comments

Lava tubes large enough to house cities could be structurally stable on the moon, according to a theoretical study. The volcanic features are an important target for future human space exploration because they could provide shelter from cosmic radiation, meteorite impacts and temperature extremes.

Sense of smell may reveal weight bias

March 19, 2015 2:46 pm | by Rebecca Kendall, Univ. of California, Los Angeles | News | Comments

Could our reaction to an image of an overweight or obese person affect how we perceive odor? A trio of researchers, including two from the Univ. of California, Los Angeles, says yes. The researchers discovered that visual cues associated with overweight or obese people can influence one’s sense of smell, and that the perceiver’s body mass index matters, too.

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