Tag Archives: Science

Silver found to be key weapon in fight against antibiotics resistance

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“Silver may be a key weapon in the fight against drug-resistant bacteria, according to Boston University scientists.  A team of researchers lead by biomedical engineer James Collins, say adding silver to antibiotics can make them up to 1,000 times more effective, especially when it comes to combating Gram-negative bacteria — one of the hardest pathogens to kill. The findings, published in the journal Science Translational Medicine, comes only weeks after Britain’s top doctor, Sally Davies, began its media campaign to warn about the rise of drug-resistant superbugs, which she considers a risk for humankind of ‘apocalyptic consequences.'”

http://www.mining.com/silver-found-to-be-key-weapon-in-fight-against-antibiotic-resistance-62158/

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Project Loon: The Technology

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Project Loon: The Technology

“We believe it’s possible to create a ring of balloons that fly around the globe on the stratospheric winds and provide Internet access to the earth below. Balloons present some really hard science problems, but we’re excited about the progress so far.
To learn more, visit: http://google.com/loon.”

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Study links genetically modified grain to stomach inflammation in pigs

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“Pigs fed a diet of only genetically modified grain showed markedly higher stomach inflammation than pigs who dined on conventional feed, according to a new study by a team of Australian scientists and U.S. researchers.  those pigs that ate the GM diet had a higher rate of severe stomach inflammation – 32 percent of GM-fed pigs compared to 12 percent of non-GM-fed pigs. The inflammation was worse in GM-fed males compared to non-GM fed males by a factor of 4.0.  Critics have argued for years that the DNA changes made to the transgenic plants engineer novel proteins that can be causing the digestive problems in animals and possibly in humans.”

http://www.rawstory.com/rs/2013/06/11/study-links-genetically-modified-grain-to-stomach-inflammation-in-pigs/

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‘The worst case of scientific censorship since the church banned Copernicus’

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“The outlawing of drugs such as cannabis, magic mushrooms and other psychoactive substances amounts to scientific censorship and is hampering research into potentially important medicinal uses, leading scientists argued on Wednesday. Laws and international conventions dating back to the 1960s have set back research in key areas such as consciousness by decades, they argued. ‘The laws have never been updated despite scientific advances and growing evidence that many of these drugs are relatively safe. And there appears to be no way for the international community to make such changes,’ said David Nutt, a neuropsychopharmacology professor.”

http://www.rawstory.com/rs/2013/06/12/scientists-decry-the-worst-case-of-scientific-censorship-since-the-church-banned-copernicus/

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Hands-free cell phone devices still pose driving risk: study

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“Speech-to-text devices in new cars fail to overcome the well-known perils of hands-on texting while driving, a US study published Wednesday suggests. While the research is ongoing, early findings suggest that sending texts with a hands-free voice recognition system — a feature in many new vehicles — was more distracting than listening to the radio or conversing with passengers.  The 12 men and 20 women who participated in the study ranged in age from 18 to 33. All had clean driving records — and all confessed to regularly using their cell phones while driving.”

http://www.rawstory.com/rs/2013/06/12/hands-free-cell-phone-devices-still-pose-driving-risk-study/

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‘Anti-Gravity’ 3D Printer Uses Strands to Sculpt Shapes on Any Surface

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“3D printers build objects by cross-section, one layer at a time from the ground up—gravity is a limiting factor. But what if it wasn’t? Using proprietary 3D printing materials, Petr Novikov and Saša Jokić say their Mataerial 3D printing system is gravity independent. The duo’s method allows a robotic arm to print objects on floors, walls, ceilings—smooth and uneven surfaces. It uses a thermoplastic that cures on contact with the air, not unlike the 3Doodler, a Kickstarter project that places an extruder in human hands to draw 3D forms on the air.”

http://singularityhub.com/2013/06/08/anti-gravity-3d-printer-uses-strands-to-sculpt-shapes-on-any-surface/

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Marijuana: The Next Diabetes Drug?

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“Toking up may help marijuana users to stay slim and lower their risk of developing diabetes, according to the latest study, which suggests that cannabis compounds may help in controlling blood sugar.  The new research, which was published in the American Journal of Medicine, is not the first to find that the drug has a two-faced relationship to weight. Three prior studies have shown that marijuana users are less likely to be obese, have a lower risk for diabetes and have lower body-mass-index measurements. And these trends occurred despite the fact that they seemed to take in more calories.”

http://healthland.time.com/2013/05/21/marijuana-the-next-diabetes-drug/

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Marijuana By Itself Not a Significant Factor in Fatal and Injury Crashes in 2012

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“Fewer than 1 percent of suspected impaired drivers involved in such crashes tested positive for nothing but marijuana. New Times’ findings, based on a records request satisfied by DPS this week, jibe with statistics we reported earlier this month in our feature article about Arizona’s zero-tolerance marijuana-DUI law. Drivers suspected of impairment in crashes that hurt or killed people in Phoenix, Chandler, and Scottsdale were rarely found to be impaired by marijuana, our earlier research showed.”

http://blogs.phoenixnewtimes.com/valleyfever/2013/05/marijuana_not_a_significant_fa.php

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Cold fusion reactor independently verified, has 10,000 times the energy density of gas

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“Against all probability, a device that purports to use cold fusion to generate vast amounts of power has been verified by a panel of independent scientists. The research paper, which hasn’t yet undergone peer review, seems to confirm both the existence of cold fusion, and its potency: The cold fusion device being tested has roughly 10,000 times the energy density and 1,000 times the power density of gasoline. Even allowing for a massively conservative margin of error, the scientists say that the cold fusion device they tested is 10 times more powerful than gasoline — which is currently the best fuel readily available to mankind.”

http://www.extremetech.com/extreme/156393-cold-fusion-reactor-independently-verified-has-10000-times-the-energy-density-of-gas

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New lithium-ion battery design: 2,000 times more powerful, recharges 1,000 times faster

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“Researchers at the University of Illinois at Urbana-Champaign have developed a new lithium-ion battery technology that is 2,000 times more powerful than comparable batteries. According to the researchers, this is not simply an evolutionary step in battery tech, ‘It’s a new enabling technology… it breaks the normal paradigms of energy sources. It’s allowing us to do different, new things.’  In real-world use, this tech will probably be used to equip consumer devices with batteries that are much smaller and lighter — imagine a smartphone with a battery the thickness of a credit card, which can be recharged in a few seconds.”

http://www.extremetech.com/computing/153614-new-lithium-ion-battery-design-thats-2000-times-more-powerful-recharges-1000-times-faster

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