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Tuesday, July 29, 2014

ScienceDaily: Top Science News

ScienceDaily: Top Science News

New meaning to refrigerator magnets: Magnets may act as wireless cooling agents

Posted: 28 Jul 2014 07:47 AM PDT

The magnets cluttering the face of your refrigerator may one day be used as cooling agents, according to a new theory. A magnetically driven refrigerator would require no moving parts, unlike conventional iceboxes that pump fluid through a set of pipes to keep things cool.

Glow in space is evidence of a hot bubble in our galaxy

Posted: 28 Jul 2014 06:44 AM PDT

A recent study shows that the emission is dominated by the local hot bubble of gas -- 1 million degrees -- with, at most, 40 percent of emission originating within the solar system. The findings should put to rest the disagreement about the origin of the X-ray emission and confirm the existence of the local hot bubble.

Potential 'universal' blood test for cancer discovered

Posted: 28 Jul 2014 06:44 AM PDT

A simple blood test that can be used to diagnose whether people have cancer or not has been devised by researchers. The test will enable doctors to rule out cancer in patients presenting with certain symptoms, saving time and preventing costly and unnecessary invasive procedures such as colonoscopies and biopsies being carried out. Alternatively, it could be a useful aid for investigating patients who are suspected of having a cancer that is currently hard to diagnose.

Mutations from Venus, mutations from Mars: Why genetic fertility problems can persist in a population

Posted: 28 Jul 2014 06:44 AM PDT

Researchers explain why genetic fertility problems can persist in a population. Some 15% of adults suffer from fertility problems, many of these due to genetic factors. This is something of a paradox: We might expect such genes, which reduce an individual's ability to reproduce, to disappear from the population. Research may now have solved this riddle. Not only can it explain the high rates of male fertility problems, it may open new avenues in understanding the causes of genetic diseases and their treatment.

Building 'invisible' materials with light

Posted: 28 Jul 2014 05:07 AM PDT

A new technique which uses light like a needle to thread long chains of particles could help bring sci-fi concepts such as cloaking devices one step closer to reality.

Dinosaurs fell victim to perfect storm of events, study shows

Posted: 28 Jul 2014 05:05 AM PDT

Dinosaurs might have survived the asteroid strike that wiped them out if it had taken place slightly earlier or later in history, scientists say. They found that in the few million years before a 10km-wide asteroid struck what is now Mexico, Earth was experiencing environmental upheaval. This included extensive volcanic activity, changing sea levels and varying temperatures. At this time, the dinosaurs' food chain was weakened by a lack of diversity among the large plant-eating dinosaurs on which others preyed.

New oral drug regimens cure hardest-to-treat hepatitis C infected patients, could improve treatment uptake

Posted: 28 Jul 2014 05:04 AM PDT

Two new pill-only antiviral drug regimens could provide shorter, more effective treatment options with fewer side effects for the majority of patients infected with hepatitis C, even those most difficult to treat, according to the results of two studies. Around 150 million people worldwide have chronic hepatitis C virus (HCV) infection, a condition that is a major cause of liver cirrhosis and liver cancer. In the USA, numbers of people with HCV-related liver failure and liver cancer are expected to treble by 2030 because of low treatment rates.
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