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Here is your customized PHYSorg.com Newsletter for March 27, 2011:
Spotlight Stories Headlines
- New entropy battery pulls energy from difference in salinity between fresh water and seawater- From candy floss to rock: Study provides new evidence about beginnings of the solar system
- Debut of the first practical 'artificial leaf'
- Advanced technology reveals activity of single neurons during seizures
- Math meets music
- A possible new target for treatment of multiple sclerosis
- Structure of DNA repair complex reveals workings of powerful cell motor
- Research shows not only the fittest survive
- The gene processes that drive acute myeloid leukaemia
- Wi-Fi cars hitting the information superhighway
- World urged to use 'Earth Hour' to protect planet
- No long-distance risks from mega-quakes: study
Space & Earth news
Russia and Israel sign space agreement
Russia and Israel on Sunday signed an agreement on cooperation on space technology and space exploration, the Russian space agency said in a statement.
Lights off as 'Earth Hour' circles the globe
Lights went off around the world as landmark buildings and ordinary homes flipped their switches while the annual "Earth Hour" circled the planet in what was dubbed the world's largest voluntary action for the environment.
World urged to use 'Earth Hour' to protect planet
From Sydney to Seoul, London to Lima, and Dubai to Davis Station in frozen Antarctica, hundreds of millions of people are expected to switch off their lights on Saturday to mark "Earth Hour".
No long-distance risks from mega-quakes: study
Monster earthquakes like the 9.0-magnitude event that occurred off Japan on March 11 are unlikely to trigger a large quake in distant regions of the world, according to a study published on Sunday.
From candy floss to rock: Study provides new evidence about beginnings of the solar system
The earliest rocks in our Solar System were more like candy floss than the hard rock that we know today, according to research published today in the journal Nature Geoscience.
Technology news
Factory boss in China arrested over lead poisoning
(AP) -- State media say a battery factory manager was arrested after 168 villagers living near the manufacturer in eastern China suffered lead poisoning.
More than 200,000 Germans march against nuclear power
An estimated 200,000 people took to the streets around Germany Saturday to protest against nuclear power, upping the pressure on Chancellor Angela Merkel on the eve of a critical state election.
More than half of US adults use Facebook: study
More than half of US adults use online social networking service Facebook, according to an upcoming study.
Kodak patent complaint against Apple, RIM revived
(AP) -- A federal agency said Friday that it will review Eastman Kodak Co.'s high-stakes patent-infringement claim against technology giants Apple Inc. and Research in Motion Ltd.
US trade judge rules for Apple in Nokia dispute
A judge with the US International Trade Commission ruled in Apple's favor on Friday in a patent dispute with Finland's Nokia over mobile phones, portable music players and computers.
Appeal to keep Twitter data from WikiLeaks probe
Internet rights attorneys appealed a US judge's order that Twitter must hand over data of three users in contact with the controversial website WikiLeaks.
Baidu apologises to writers in copyright dispute
Chinese search engine giant Baidu apologised on Saturday to writers who accused it of violating their copyright and promised to delete infringing items within the next three days.
Wi-Fi cars hitting the information superhighway
More cars are hitting the information superhighway thanks to new automotive Wi-Fi technology that allows vehicles to become rolling "hot spots."
Medicine & Health news
Elise apples suitable for most people with mild apple allergy
Apples of the variety Elise can be consumed safely by most people with a mild apple allergy. This is the outcome of Dutch research performed by Wageningen University and the University Medical Centre Groningen in the framework of the European ISAFRUIT project. In taste and storability Elise compliments Santana, previously the only apple variety marketed as low-allergenic, being suitable for most individuals with a mild apple allergy. The combination of Santana and Elise in a ‘supply chain’ of growers, traders and retailers could make low-allergenic apples available from October to June.
FDA considers new rules to speed up confirmatory trials of drugs granted accelerated approval
Since 1992, the U.S. Food and Drug Administration has granted accelerated approval to 47 new indications for 35 cancer drugs and in more than half the cases—26 indications—further trials have confirmed the benefits of the drugs. But the agency has concerns about the length of time some drugs have remained on the market without confirmation of their benefits, according to a review article published online March 25 in the Journal of the National Cancer Institute. New requirements and fines are possible solutions say the authors, from FDA's Office of Oncology Drug Products.
Seven cholera deaths in Dominican Republic
A cholera outbreak has killed seven people and infected nearly 650 in the Dominican Republic, a Caribbean country bordering Haiti, where the illness has claimed 4,500 lives in the past five months, officials said Friday.
Team identifies new colon cancer marker
A research team at the University of Colorado Cancer Center has identified an enzyme that could be used to diagnose colon cancer earlier. It is possible that this enzyme also could be a key to stopping the cancer.
How well do you know your friends?
How does your best friend feel when people act needy? Or, about people being dishonest? What do they think when others seem uncomfortable in social situations? According to an upcoming study in Psychological Science, a journal of the Association for Psychological Science, if you don't know – your relationship may pay a price.
New site lets employers put health care out to bid
(AP) -- Self-insured businesses looking to cut out the middleman when it comes to health care have a new way to solicit bids directly from doctors or hospitals.
First identification of nicotine as main culprit in diabetes complications among smokers
Scientists today reported the first strong evidence implicating nicotine as the main culprit responsible for persistently elevated blood sugar levels — and the resulting increased risk of serious health complications — in people who have diabetes and smoke. In a presentation at the 241st National Meeting & Exposition of the American Chemical Society (ACS), they said the discovery also may have implications for people with diabetes who are using nicotine-replacement therapy for extended periods in an attempt to stop smoking.
Can cell phone exposure cause bone weakening?
Electromagnetic radiation from cellular phones may adversely affect bone strength, suggests a study in the March Journal of Craniofacial Surgery.
The gene processes that drive acute myeloid leukaemia
Researchers have described how the most common gene mutation found in acute myeloid leukaemia starts the process of cancer development and how it can cooperate with a well-defined group of other mutations to cause full-blown leukaemia.
A possible new target for treatment of multiple sclerosis
The immune system recognizes and neutralizes or destroys toxins and foreign pathogens that have gained access to the body. Autoimmune diseases result when the system attacks the body's own tissues instead. One of the most common examples is multiple sclerosis (MS). MS is a serious condition in which nerve-cell projections, or axons, in the brain and the spinal cord are destroyed as a result of misdirected inflammatory reactions. It is often characterized by an unpredictable course, with periods of remission being interrupted by episodes of relapse.
Advanced technology reveals activity of single neurons during seizures
The first study to examine the activity of hundreds of individual human brain cells during seizures has found that seizures begin with extremely diverse neuronal activity, contrary to the classic view that they are characterized by massively synchronized activity. The investigation by Massachusetts General Hospital (MGH) and Brown University researchers also observed pre-seizure changes in neuronal activity both in the cells where seizures originate and in nearby cells. The report will appear in Nature Neuroscience and is receiving advance online publication.
Biology news
Study links forest health to salmon populations
(PhysOrg.com) -- A new research paper written by Simon Fraser University biologists and published in the journal Science concludes that the abundance of salmon in spawning streams determines the diversity and productivity of plants in surrounding forests.
India's tiger population 'on the rise'
India's tiger population has increased for the first time in decades, a newspaper said on Saturday, citing a national tiger census report slated to be released next week.
Five countries sign for 'European Amazon' reserve
Five central European countries signed an accord to launch a cross-border nature reserve in an area known as Europe's Amazon at a meeting of environmental ministers that ended Saturday.
Research shows not only the fittest survive
Darwin's notion that only the fittest survive has been called into question by new research published today in Nature.
Structure of DNA repair complex reveals workings of powerful cell motor
Over the last years, two teams of researchers at The Scripps Research Institute have steadily built a model of how a powerful DNA repair complex works. Now, their latest discovery provides revolutionary insights into the way the molecular motor inside the complex functions – findings they say may have implications for treatment of disorders ranging from cancer to cystic fibrosis.
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