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241,075 articles from PhysOrg
Argonne researcher studies what makes quantum dots blink
In order to learn more about the origins of quantum dot blinking, researchers from the U.S. Department of Energy's Argonne National Laboratory, the University of Chicago and the California Institute of Technology have developed a method to characterize it on faster time scales than have previously been accessed.
TUESDAY 2. OCTOBER 2007
Sex and depression: Study finds your gender can affect your mental health
A University of Western Sydney study which explored men's experiences of depression has revealed that gender has a significant impact on the success of mental health treatment.
EU deadlocked over funding for Galileo satnav project
The European Union failed on Tuesday to break a deadlock over how to fund the bloc's ambitious but troubled Galileo satellite network in the face of German opposition to the funding scheme.
Driverless Truck Lurches Out of Lab
(AP) -- Sitting high in the cab of the hulking lime-green TerraMax truck, a driver can be excused for instinctively grabbing the steering wheel.
Amazon Rainforest at risk from initiative to connect South American economies
An unprecedented development plan to link South America`s economies through new transportation, energy and telecommunications projects could destroy much of the Amazon rainforest in coming decades, according to a new study by Conservation International (CI) scientist Tim Killeen.
Asteroid heads for Earth, Russian astronomer claims
An asteroid discovered three years ago could be a threat in 2029 when it crosses Earth's orbit, a Russian astronomer said Monday.
Dilaton could affect abundance of dark matter particles
The amount of dark matter left over from the early universe may be less than previously believed. Research published in the open access journal PMC Physics A shows that the "relic abundance" of stable dark matter particles such as the neutralino may be reduced as compared to standard cosmology theories due to the effects of the "dilaton"', a particle with zero spin in the gravitational sector of...
Increasing young adult smoking linked to smoking in movies
Do young adults learn behaviors from movies? In a paper published in the November issue of the American Journal of Preventive Medicine, researchers from the University of California, San Francisco, examined the relationship between young adults (age 18-25) observing smoking in movies and the likelihood of starting to smoke. They found that more exposure to smoking in movies was significantly...
Music Download Trial Starts Tuesday
(AP) -- A group of record companies says Jammie Thomas illegally shared everything from Enya to Swedish death metal online. Tuesday, she will become the first of 26,000 people sued by the recording industry to take the case to trial.
Poll finds women can do more to prevent cancer... but aren't
When it comes to preventing cancer, women believe they're doing more than they actually are. Perhaps most surprising, women are more afraid of getting Alzheimer's disease than cancer, even though cancer causes nearly ten times more deaths per year.
U.S. Labs Mishandling Deadly Germs
(AP) -- American laboratories handling the world's deadliest germs and toxins have experienced more than 100 accidents and missing shipments since 2003, and the number is increasing steadily as more labs across the country are approved to do the work.
Urban revolution hits Silicon Valley capital
Silicon Valley's capital city San Jose is undergoing an urban development revolution calculated to keep it as the thriving heart of a region renowned for technological innovation.
USDA Fines Animal Lab After Monkey Death
(AP) -- An animal research center was fined $15,000 for animal care problems linked to the death of a monkey, federal authorities said Monday.
Yahoo Upgrades Online Search Engine
(AP) -- Yahoo Inc. has retooled its online search engine to make it more helpful and engaging, joining an industrywide wave of improvements that so far haven't dented Google Inc.'s dominance.
Worm study sheds light on human aging, inherited diseases
Microscopic worms used for scientific research are living longer despite cellular defects, a discovery that is shedding light on how the human body ages and how doctors could one day limit or reverse genetic mutations that cause inherited diseases, according to a new University of Colorado at Boulder study.
Mayo Clinic questions FDA drug warning
A Mayo Clinic study has brought into question a U.S. Food and Drug Administration warning about the use of a medication to control nausea during surgery.
Driven People May Avoid Alzheimer's
(AP) -- A surprising study of elderly people suggests that those who see themselves as self-disciplined, organized achievers have a lower risk for developing Alzheimer's disease than people who are less conscientious.
Inca Sacrifices Were 'Fattened Up' First
(AP) -- Children sacrificed by the Inca appear to have been "fattened up" in a yearlong ritual, new research suggests.
Woman Sues Over Apple's IPhone Price Cut
(AP) -- A New York woman is so angry at Apple Inc. for lopping $200 off the price of the iPhone that she's filed a lawsuit seeking $1 million in damages.
Study Finds Human-Robot Attachment
(AP) -- People give them nicknames, worry when they signal for help and sometimes even treat them like trusted pets.
Combination therapy reverses effects of portal hypertension in rats
A combined treatment with rapamycin and Gleevec might reverse the effects of portal hypertension in patients with chronic liver disease, according to the results of a new study on rats. The study is in the October issue of Hepatology, a journal published by John Wiley & Sons on behalf of the American Association for the Study of Liver Diseases (AASLD).
Arctic Sea Ice Shatters All Previous Record Lows: Diminished Ice Leads To Northwest Passage Opening
Arctic sea ice during the 2007 melt season plummeted to the lowest levels since satellite measurements began in 1979, according to researchers at the University of Colorado at Boulder's National Snow and Ice Data Center.
MONDAY 1. OCTOBER 2007
Beyond a 'speed limit' on mutations, species risk extinction
Harvard University scientists have identified a virtual "speed limit" on the rate of molecular evolution in organisms, and the magic number appears to be 6 mutations per genome per generation -- a level beyond which species run the strong risk of extinction as their genomes lose stability.
Census of protein architectures offers new view of history of life
The present can tell you a lot about the past, but you need to know where to look. A new study appearing this month in Genome Research reveals that protein architectures - the three-dimensional structures of specific regions within proteins - provide an extraordinary window on the history of life.
Chemical compound found in tree bark stimulates growth, survival of brain cells
Researchers have identified a compound in tree bark that mimics the chemical reactions of a naturally occurring molecule in the brain responsible for stimulating neuronal cell signaling. Neuronal cell signaling plays a crucial role in the growth, plasticity and survival of brain cells.