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Addition of the contrast agent gadolinium during magnetic resonance imaging (MRI) for primary tumor assessment improved accuracy for detecting lymph node metastases, according to a new study published online February 1 in the Journal of the National Cancer Institute. Gadolinium-enhanced MRI is primarily used to visualize primary tumors, highlight tumor vascularity, and increasingly to detect and evaluate lymph node metastases. In light of this systematic review, the authors recommend that contrast highlighting be included as a malignancy criterion when this agent is used for primary tumor visualization.

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Contrast agent with MRI improves detection of lymph nodes metastases

Individuals at extremely high risk of developing psychosis appear less likely to develop psychotic disorders following a 12-week course of fish oil capsules containing long-chain omega-3 polyunsaturated fatty acids, according to a report in the February issue of Archives of General Psychiatry.

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Fish oil may reduce the risk of psychotic disorders in high-risk individuals

New Mexico is known for amazing local cuisine, Aztec ruins and the Los Alamos National Laboratory. In the January issue of the Journal of Vertebrate Paleontology, paleontologists Thomas Williamson of the New Mexico Museum of Natural History and Thomas Carr of Carthage College bring a new superstar to the state.

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Scientists Discover New Species of Tyrannosaur

The search for new drug compounds is probably worse than looking for a needle in a haystack because scientists are limited in the size of the haystacks they can rummage through -time and money make it virtually impossible to screen or search through super-large libraries of potential compounds. This is a serious problem, because there is enormous interest in identifying synthetic molecules that bind to proteins for applications in drug discovery, biology, and proteomics, and larger libraries should mean higher odds of success.

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Scientists create new way to screen libraries of 10 million or more compounds

Everyone checks themselves in the mirror now and then, but that experience can be horrifying for individuals suffering from body dysmorphic disorder, or BDD, a psychiatric condition that causes them to believe, wrongly, that they appear disfigured and ugly. These people tend to fixate on minute details – every tiny blemish looms huge – rather than viewing their face as a whole.

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Why the mirror lies: Individuals with body dysmorphic disorder see their own faces differently

A new study weighs in on the controversy over sex education, finding that an abstinence-only intervention for pre-teens was more successful in delaying the onset of sexual activity than a health-promotion control intervention. After two years, one-third of the abstinence-only group reported having sex, compared to one-half of the control group.

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Tweens sexual activity delayed by theory-based abstinence-only program

Single mutations in genes involved with nerve cell formation and growth appear to be associated with the risk of attempting suicide among individuals with depression, according to a report posted online today that will appear in the April print issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

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Genetic mutations associated with suicide risk among patients with depression

Patients who received the antidepressant escitalopram following a stroke appeared to recover more of their thinking, learning and memory skills than those taking placebo or participating in problem-solving therapy, according to a report in the February issue of Archives of General Psychiatry.

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Antidepressant may result in improved cognitive function after stroke

New research from the University of Pennsylvania School of Medicine may help more smokers keep their New Year’s resolution by helping them quit smoking. Extended use of a nicotine patch – 24 weeks versus the standard eight weeks recommended by manufacturers – boosts the number of smokers who maintain their cigarette abstinence and helps more of those who backslide into the habit while wearing the patch, according to a study which will be published in the February 2 issue of Annals of Internal Medicine.

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More smokers kick the habit with extended nicotine patch therapy, research shows

People who experience memory loss or a decline in their thinking abilities may be at higher risk of stroke, regardless of whether they have been diagnosed with dementia, according to a new study published in the February 2, 2010, print issue of Neurology, the medical journal of the American Academy of Neurology.

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Memory failing? You may be at higher risk for stroke

(PhysOrg.com) — Space is a hostile environment for living things, but small organisms on the Expose-E experiment unit outside Europe’s Columbus ISS laboratory module have resisted the solar UV radiation, cosmic rays, vacuum and varying temperatures for 18 months. A certain lichen seems to be particularly happy in open space!

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Live long and prosper, Xanthoria elegans

Netsize, a leading mobile commerce and communications enabler, today revealed the first results of the Mobile Trends Survey 2010. Drawing from an online survey of 1,000+ professionals and practitioners, the survey provides insights into key trends that top the industry agenda, including the advance of mobile applications stores, progress towards global mobile commerce and the

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Apple top for apps in Netsize survey

Handmark®, a leading global developer and distributor of mobile applications and services, today released TweetCaster, the most advanced, feature-rich Twitter application available for Android smartphone customers. TweetCaster makes “tweeting” from Android-based smartphones fast, easy, and fun, delivering a simple, yet comprehensive Twitter experience.

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Handmark Launches Twitter App for Android Smartphones

People want to use SMS even more in their daily lives. In an extensive survey of the UK market by mobile messaging and mobile payments specialists Dialogue Communications more than 67% of mobile users would like to receive reminders or alerts by text for everything from medical appointments to bill payments. The Dialogue survey, whose findings

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Dialogue survey identifies growing demand for SMS

Movius Interactive Corporation announced today that several new innovative applications, designed specifically to help operators increase revenue and expand market presence, are set to be unveiled at the Mobile World Congress in Barcelona next month. This follows a highly successful and profitable 2009 – leading to high confidence that the next 12 months will see

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Movius brings new apps to Mobile World Congress

Vodafone Group today announced that nearly 450,000 Vodafone customers have signed up to its music subscription services since it signed DRM-free deals with all four major labels in 2009. This customer base gives Vodafone stewardship over the largest number of paying music subscribers in Europe.

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Vodafone top for music subscribers

Mobile Social Media (www.mobilesocial-networking.com) taking place at Olympia on the 15th March will focus on the latest developments being made in Social Media and mobile devices. Topics being addressed are: How far has the Mobile Social Networking market come in the last year? Mobile Internet and Social Networks – a perfect marriage, Monetising your mobile offering

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Mobile Social Media Conference Announced

Aspiro, Northern Europe’s leading provider of mobile entertainment services, today confirmed that its new desktop and mobile streaming music service would now be available on Google’s new Nexus One phone and other Android handsets. The new service delivers live streaming of an extensive catalogue of music tracks via the online streaming service, the WiMP, beta launched

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Aspiro Music comes to Android handsets

A new service from GoPayforit (www.gopayforit.com) has been launched to allow easier access to the Payforit and Web Payforit technologies. Now mobile application developers, blogs, WAP sites and websites can use GoPayforit to charge for content, membership, physical goods, or anything they may wish to sell. Previously, online payments could only be completed using credit cards,

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GoPayforit Mobile Payment Service Now Online

(PhysOrg.com) — Every day, 7,000 times a day, Stanford Hospital staff turn to pneumatic tubes, cutting-edge technology in the 19th century, for a transport network that the Internet and all the latest Silicon Valley wizardry can’t match: A tubular system to transport a lab sample across the medical center in the blink of an eye.

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Gone with the wind: Tubes are whisking samples across hospital