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Here is your customized Phys.org Newsletter for December 26, 2013:
Spotlight Stories Headlines
- Epigenetics enigma resolved: First structure of enzyme that removes methylation- Systematic, genomic study of cervical cancer points to potential therapeutics, sheds light on HPV role
- Study reveals new genetic risk factor for type 2 diabetes
- Rock And Rho: Proteins that help cancer cells groove
- Ice storm leaves 500K without power in US, Canada
- Apple is granted hover and heart-rate monitoring patents
- BGU security team says vulnerability found in Samsung Knox
- Study identifies potential therapeutic target for incurable, rare type of soft-tissue cancer
- Gene therapy for human skin disease produces long-term benefits
- Extensive use of antibiotics in agriculture creating public health crisis, researcher says
- Over 40 genetic links to rheumatoid arthritis discovered
- A smarter sock: Sensoria will watch how you step (w/ Video)
- Study questions value of common knee surgery
Astronomy & Space news
Astronauts complete rare Christmas Eve spacewalk
Space station astronauts repaired a crippled cooling system during a rare Christmas Eve spacewalk Tuesday, braving a "mini blizzard" of noxious ammonia as they popped in a new pump.
Technology news
Target says be wary of phishing emails
Target says it has learned of some incidents of scam emails related to its recent data breach and is setting up a section of its corporate website to post copies of all official communication.
BlackBerry co-founder trims stake after huge loss
BlackBerry co-founder Michael Lazaridis has trimmed his stake in the troubled smartphone pioneer to just below 5 percent after selling 3.5 million shares during the past two days.
Tablets a hit with kids, but experts worry
Tablet computers are so easy to use that even a 3-year-old can master them. And that has some pediatricians and other health experts worried.
Headphone sales make a noisy comeback at the holidays
Here's one trend Apple missed: headphones, a music lover's accessory that's as old as home stereo sound.
Websites try to fight nasty comments, anonymity
Mix blatant bigotry with poor spelling. Add a dash of ALL CAPS. Top it off with a violent threat. And there you have it: A recipe for the worst of online comments.
Amazon to compensate customers for late gifts
Amazon Thursday said it would give $20 gift cards and pay shipping costs for customers affected by problems at UPS and FedEx that delayed some Christmas package deliveries.
A smarter sock: Sensoria will watch how you step (w/ Video)
(Phys.org) —Get set for a fitness market buzzword likely to get louder in 2014, the quantitative self. Sensors embedded in wearable items communicating data via Bluetooth to people's watches, smartphones, and tablets will be promoted to help athletes and workout enthusiasts track how well they are doing and how well they ought to be doing, and will take various measurements along the way. The expectation is that the fitness-prone consumer, more and more aware of all that can be known about technique and competency level, will be motivated to buy such wearables, using them as quantitative tools to achieve fitness goals. A new force set to play in the fitness niche is a Redmond, Washington startup called Heapsylon.
BGU security team says vulnerability found in Samsung Knox
(Phys.org) —Israeli researchers at Ben-Gurion University of the Negev (BGU) said a security flaw was discovered by a team member, a PhD student, and that this vulnerability could enable interception of data on Samsung mobile devices based on the Knox architecture. The discovery of the alleged security flaw was reported earlier this week in The Wall Street Journal,. Fundamentally, the BGU discovery report involves Samsung Knox, which the South Korean giant announced earlier this year as a secure platform solution in mobile architecture for BYOD business environments, providing security hardening from the hardware through to the application layer. Knox is a container solution for separating business and personal use of a mobile device, in step with the Samsung For Enterprise (SAFE) program, to promote the readiness of Samsung devices for enterprise use.
Apple is granted hover and heart-rate monitoring patents
(Phys.org) —Apple has been awarded patents that include one for an accurate touch and hover panel, originally filed back in 2010, and another for an embedded heart rate monitor, originally filed in 2009. Details of the patents were reported by AppleInsider.
Medicine & Health news
Help offered for people who miss Obamacare deadline
The US government Tuesday offered help for people who were unable to sign up for health insurance through the federal website by the deadline as part of the president's controversial health care reform legislation.
Russia rules out radiation poisoning in Arafat death (Update)
Yasser Arafat died of natural causes, not radiation poisoning, Russian scientists who examined his remains said on Thursday, but their findings were dismissed by Swiss experts as politically motivated.
Coloured tattoos escape ban in France
Tattoo artists in France, who were up in arms about a government ban on certain dyes, say the health ministry has reassured them they will be able to keep using coloured ink, attributing the uproar to a misunderstanding of thousands of pages of regulations.
Hand, face transplants regulated like other organs (Update)
The U.S. government is preparing to regulate the new field of hand and face transplants like it does standard organ transplants, giving more Americans who are disabled or disfigured by injury, illness or combat a chance at this radical kind of reconstruction.
Vaccine fears in China after hepatitis B scare
Chinese state-run media and Internet users demanded action Wednesday after the deaths of at least seven babies since November following their vaccinations against hepatitis B.
Surgeons' group gives gift of new hips, knees to uninsured
(HealthDay)—Millions of Americans struggle daily with degenerative, painful and crippling knee or hip arthritis, or similar chronic conditions that can turn the simplest task into an ordeal.
Food safety counts, especially during the holiday season
(HealthDay)—In the frenzy of holiday celebrations and gatherings, it's easy to forget the basics of food safety, so one expert offers some simple reminders.
Hong Kong reports first H7N9 death
A Hong Kong man infected with the H7N9 strain of bird flu died on Thursday, the first such death in the city since the virus emerged there this month.
New MERS death raises Saudi toll to 57
Saudi health authorities announced Thursday a new MERS death, bringing to 57 the number of people killed by the coronavirus in the country with the most fatalities.
New drug candidates show promise for cure for Chagas disease
A team of researchers from Canada has developed a class of compounds which may help eradicate a neglected tropical disease that is currently hard to kill in its chronic form. The research was published ahead of print in Antimicrobial Agents and Chemotherapy.
What does compassion sound like?
"Good to see you. I'm sorry. It sounds like you've had a tough, tough, week." Spoken by a doctor to a cancer patient, that statement is an example of compassionate behavior observed by a University of Rochester Medical Center team in a new study published by the journal Health Expectations.
Don't let migraines ruin your holidays
(HealthDay)—The holidays can challenge the estimated 30 million migraine sufferers in the United States as they try to deal with crowds, travel delays, stress and other potential headache triggers.
Tanning salons now outnumber McDonald's outlets in Florida
(HealthDay)—Skin cancer researchers report in a new study that in the sunny state of Florida, tanning salons now outnumber McDonald's fast-food restaurants.
Could brain thickness point to stronger religious belief?
(HealthDay News) —Higher levels of self-professed spiritual belief appear to be reflected in increased thickness of a key brain area, a new study finds.
Alternative to Medicare sustained growth rate proposed
(HealthDay)—A proposed alternative to the Medicare sustained growth rate (SGR) formula for physicians encourages Medicare to adopt advanced primary care practice (APCP) as a new provider category, according to a perspective piece published online Dec. 18 in the New England Journal of Medicine.
Earlier adiposity rebound linked to metabolic syndrome
(HealthDay)—The age of adiposity rebound (AR), at which time body mass index (BMI) starts to rise after infancy, is associated with future development of metabolic syndrome, according to a study published online Dec. 23 in Pediatrics.
Emphasizing environmental causes of obesity is motivating
(HealthDay)—Messages that acknowledge personal responsibility, while emphasizing environmental causes of obesity, seem to motivate individuals to engage in healthy diet and exercise behavior, according to a study published Dec. 12 in the U.S. Centers for Disease Control and Prevention's Preventing Chronic Disease.
HPV 6, 11, 42/Combo detection doesn't ID CIN 2+, 3+ risk
(HealthDay)—Detection of human papillomavirus (HPV) 6, 11, 42 or combination infections does not identify increased three-year risk of cervical precancer, according to a study published in the January issue of Obstetrics & Gynecology.
Evidence-based guidelines developed for disc herniation
(HealthDay)—Evidence-based clinical guidelines have been developed for management of lumbar disc herniation with radiculopathy; the guidelines have been published in the Jan. 1 issue of The Spine Journal.
Antioxidant drug knocks down multiple sclerosis-like disease in mice
Researchers at Oregon Health & Science University have discovered that an antioxidant designed more than a dozen years ago to fight damage within human cells significantly helps symptoms in mice that have a multiple sclerosis-like disease.
Extensive use of antibiotics in agriculture creating public health crisis, researcher says
Citing an overabundance in the use of antibiotics by the agriculture and aquaculture industries that poses a threat to public health, economics professor Aidan Hollis has proposed a solution in the form of user fees on the non-human use of antibiotics.
Over 40 genetic links to rheumatoid arthritis discovered
A meta-analysis identifying 42 new genetic links to rheumatoid arthritis opens the door to increasing the medical tool box for the autoimmune disorder.
Study identifies potential therapeutic target for incurable, rare type of soft-tissue cancer
A deadly, rare type of soft-tissue cancer may be completely eradicated simply by inhibiting a key protein involved in its growth, UT Southwestern Medical Center researchers report.
Gene therapy for human skin disease produces long-term benefits
Stem cell-based gene therapy holds promise for the treatment of devastating genetic skin diseases, but the long-term clinical outcomes of this approach have been unclear. In a study online December 26th in the ISSCR's journal Stem Cell Reports, published by Cell Press, researchers evaluated a patient with a genetic skin disorder known as epidermolysis bullosa (EB) nearly seven years after he had undergone a gene therapy procedure as part of a clinical trial. The study revealed that a small number of skin stem cells transplanted into the patient's legs were sufficient to restore normal skin function, without causing any adverse side effects.
Study questions value of common knee surgery
(HealthDay)—Improvements in knee pain following a common orthopedic procedure appear to be largely due to the placebo effect, a new Finnish study suggests.
Study reveals new genetic risk factor for type 2 diabetes
An international team of researchers in Mexico and the United States has uncovered a new genetic clue that contributes to an increased risk of developing type 2 diabetes, particularly the elevated risk among Mexican and other Latin American populations.
Systematic, genomic study of cervical cancer points to potential therapeutics, sheds light on HPV role
Researchers from the Boston area, Mexico, and Norway have completed a comprehensive genomic analysis of cervical cancer in two patient populations. The study identified recurrent genetic mutations not previously found in cervical cancer, including at least one for which targeted treatments have been approved for other forms of cancer. The findings also shed light on the role human papillomavirus (HPV) plays in the development of cervical cancer.
Rock And Rho: Proteins that help cancer cells groove
Biologists at The Johns Hopkins University have discovered that low oxygen conditions, which often persist inside tumors, are sufficient to initiate a molecular chain of events that transforms breast cancer cells from being rigid and stationery to mobile and invasive. Their evidence, published online in Proceedings of the National Academy of Sciences on Dec. 9, underlines the importance of hypoxia-inducible factors in promoting breast cancer metastasis.
Biology news
Christmas Day swimmer bitten by shark in New Caledonia
A 37-year-old man was badly bitten on the foot by a shark on Christmas Day in northern New Caledonia, police and firefighters said Thursday.
Scientists prove oceanographic influences on eel recruitment
Smoked, fried or boiled - the European eel (Anguilla anguilla) has always been a popular fish in Europe. Even though people have consumed it for millennia, the origin of the eel has long been shrouded in mystery. While the fish spend most of their lives in fresh and coastal waters, spawning and the birth of the larvae take place in the Sargasso Sea in the central Atlantic Ocean, about 4500 km away from the European coastlines. "Because the observation of eels in the Sargasso Sea is scarcely possible, some details of the life cycle are still unknown" says biologist Miguel Baltazar-Soares, from GEOMAR Helmholtz Centre for Ocean Research Kiel.
Epigenetics enigma resolved: First structure of enzyme that removes methylation
Scientists have obtained the first detailed molecular structure of a member of the Tet family of enzymes.
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