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242,801 articles from PhysOrg

Need an alibi? Virtual world provides cover

Need an alibi for a tricky situation, something to get you out of the house, or into someone else's? Explain a missed meeting? Just log on to one of the increasingly available Internet sites that offer the latest in ebusiness, an alibi service.

New Service Eavesdrops on Internet Calls

(AP) -- A startup has come up with a new way to make money from phone calls connected via the Internet: having software listen to the calls, then displaying ads on the callers' computer screens based on what's being talked about.

Personalized interventions key to improving colon cancer screening rates

(One of the best ways to encourage an individual to get screened for colorectal cancer is to use a personalized approach, according to researchers at Jefferson Medical College in Philadelphia. A new study shows that simple, personalized interventions that guide recipients through the screening process can significantly improve colorectal cancer screening rates in primary care practices.

Study shows vitamin C is essential for plant growth

Scientists from the University of Exeter and Shimane University in Japan have proved for the first time that vitamin C is essential for plant growth. This discovery could have implications for agriculture and for the production of vitamin C dietary supplements.

Technology Startups Set for DEMO Show

(AP) -- Six minutes is all that each of 69 startups get to impress journalists, venture capitalists and technology mavens. If speakers run over, the music starts, the organizer steps on stage and the microphone goes off.


SUNDAY 23. SEPTEMBER 2007


New model could improve some drugs' effectiveness

MIT researchers have developed a computer modeling approach that could improve a class of drugs based on antibodies, molecules key to the immune system. The model can predict structural changes in an antibody that will improve its effectiveness.

Scientists Hopeful Despite Climate Signs

(AP) -- Climate scientist Michael Mann runs down the list of bad global warming news: The world is spewing greenhouse gases at a faster rate. Summer Arctic sea ice is at record lows. The ice sheets in Greenland and West Antarctica are melting quicker than expected.

Seniors Balk at Ban on Free Doughnuts

(AP) -- It was just another morning at the senior center: Women were sewing, men were playing pool - and seven demonstrators, average age 76, were picketing outside, demanding doughnuts.

Researchers Study Software Gender Gap

(AP) -- For more than a decade, academics and technology executives have been frowning at the widening gender gap in computer science. Everyone has a theory, but no one has managed to attract many more women.

Rising Seas Likely to Flood U.S. History

(AP) -- Ultimately, rising seas will likely swamp the first American settlement in Jamestown, Va., as well as the Florida launch pad that sent the first American into orbit, many climate scientists are predicting.

Dismay over failed HIV vaccine

Disappointing results for a promising anti-AIDS vaccine have dealt a major blow to international efforts to stem the spread of the devastating disease.

From India to Indjija -- Serb town in IT park deal

Goran Jesic, a young mayor with a reputation for investment coups, will sign a deal this week with an Indian company to build an IT park here, yet another win for this tiny Serbian town already hailed as an "economic miracle."

US cities' Wi-Fi dreams fading fast

Ambitious plans for big Wi-Fi networks to provide free or low-cost wireless Internet access are being abandoned or scaled back by US cities as the economics of the deals turn out to be more challenging than expected.

China hits back at hacking charges

China is worse hit by computer hackers than any Western nation, a Chinese military expert was quoted as saying Saturday in an apparent response to claims it was the source of attacks on US systems.


SATURDAY 22. SEPTEMBER 2007


Vitamin E trials 'fatally flawed'

Generations of studies on vitamin E may be largely meaningless, scientists say, because new research has demonstrated that the levels of this micronutrient necessary to reduce oxidative stress are far higher than those that have been commonly used in clinical trials.

Fox to Offer Season Premieres on ITunes

(AP) -- The season premieres of seven Fox Broadcasting shows will be offered on Apple Inc.'s iTunes store for free in the latest example of TV networks using the Web to create interest in their shows.