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Science News Archive April 2011 - Page 15


Page 15 of 26

Hunting for deadly bacteria

Biochemist Yingfu Li and his research team have developed a universal test that can quickly identify any bacteria, reducing the time for detection from days to hours. This breakthrough could help safeguard the health of Canadians and supply industry with a reliable means to bring safe food products to consumers.

SourceMcMaster University·JournalAngewandte Chemie International Edition·DateApr 12, 2011

The sentinel node dilemma in breast cancer surgery

The sentinel node procedure has evolved to limit surgical overtreatment, but isolated tumor cells and micrometastases have led to increased surgeries. Current studies examine the role of radiotherapy, pathologic protocols, and prognostic impact of these findings on breast cancer patients.

SourceIOS Press·JournalBreast Disease·DateApr 12, 2011

JCI online early table of contents: April 11, 2011

Researchers have discovered a protein that improves vascular regeneration in mice with heart attacks, and found that manipulating this protein could be used to treat various vascular diseases. Additionally, studies on mouse models have revealed plasticity in the pathways that control insulin secretion, offering new insights into diabet...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 12, 2011

Species unique to single island should not be rare there

A new model of island ecology suggests that most unique island species should be common on their island, contradicting the common perception of rarity. The researchers used data from 35 islands and archipelagos to develop the model, which predicts how many individuals of each species can be expected to see in their natural habitat.

SourceUniversity of Leeds·JournalEcology Letters·DateApr 12, 2011

News writing styles not to blame for newspaper readership decline, MU researchers find

Researchers at the University of Missouri found that women's engagement with news stories is not linked to writing style. Instead, they suggest that women may be less interested in crime and negative stories. The study used secondary task reaction times to compare participants' reactions to inverted pyramid and chronological narrative ...

SourceUniversity of Missouri-Columbia·JournalJournal of Media Psychology Theories Methods and Applications·DateApr 12, 2011

Real-time search market worth more than $30 million a day

Researchers found that real-time search terms have significant economic value, with unique searches generating $33 million in revenue daily. The study, published in Information Processing and Management, suggests a growing market for real-time search, driven by the increasing number of Twitter updates.

SourcePenn State·JournalInformation Processing & Management·DateApr 12, 2011

When the pressure is on, product experts can get facts wrong: UBC study

A recent UBC study reveals that experts with specific product knowledge can make mistakes when relying on their memories to compare products. The researchers found that a feeling of accountability and pressure to give the best recommendations can lead to false recalls, especially in complex goods such as cameras, cars, and computers.

SourceUniversity of British Columbia·JournalJournal of Consumer Research·DateApr 12, 2011

Prenatal exposure to certain pollutants linked to behavioral problems in young children

A new study found that prenatal exposure to air pollutants, particularly polycyclic aromatic hydrocarbons (PAH), is linked to attention problems and anxiety/depression in young children. The study monitored 215 children from birth and found that those with high levels of PAH exposure had more symptoms at ages 5 and 7.

SourceColumbia University's Mailman School of Public Health·JournalEnvironmental Health Perspectives·DateApr 12, 2011

Nasal spray vaccines more effective against flu

Research suggests that combining standard vaccines with interleukin-12 (IL-12) can induce high levels of protection against respiratory pathogens, including influenza virus and pneumococcal bacteria. This method could provide a non-invasive alternative to injections, offering improved protection against flu and other diseases.

In it to win it?

A two-year treatment regimen with Naltrexone and complementary treatments like group therapy can keep 80% of gamblers 'gamble-free' over a four-year period. Gambling addiction is a chronic disorder requiring careful monitoring and holistic treatments to avoid relapse.

Fatigue and sleep woes worsen neurocognitive problems in childhood cancer survivors

Research from the Childhood Cancer Survivor Study reveals that adults who survived childhood cancer are particularly vulnerable to impaired memory, emotional control, and related skills due to fatigue and sleep problems. The study suggests that periodic screenings for fatigue and sleep disturbances may be beneficial for helping adult c...