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Science News for July 24, 2009


If you're happy, then we know it

Researchers at the University of Vermont have created a 'hedonometer' that measures global happiness by analyzing millions of online blog posts. The study found that Election Day 2008 was the happiest day in four years, while the death of Michael Jackson was one of the unhappiest. The method uses a standardized scale to assign happines...

SourceUniversity of Vermont·JournalJournal of Happiness Studies·DateJul 24, 2009

High-tech vehicle design boosts emergency rescue capacity

The EUREKA project has developed a high-tech polyvalent rescue vehicle that can carry up to four patients while providing easy and safe operation, as well as simple cleaning and disinfection. The new design surpasses current safety standards significantly, offering a weight reduction of up to 50% compared to previous products.

SourceEUREKA·DateJul 24, 2009

Ants more rational than humans

Researchers at Arizona State University and Princeton University found that ants can accomplish a task more rationally than humans due to their collective decision-making process. By minimizing individual mistakes, the 'wisdom of crowds' approach emerges, leading to more accurate outcomes.

SourceArizona State University·DateJul 24, 2009
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

1 in 6 public health workers unlikely to respond in pandemic flu emergency

A survey of 1,835 public health workers found that 16% would not report to work regardless of the severity of an outbreak. Belief in the importance of one's work was strongly associated with willingness to respond, with those who believed their role could have a positive impact being 31 times more likely to respond.

SourceJohns Hopkins Bloomberg School of Public Health·JournalPLOS ONE·DateJul 24, 2009

Fuel cells, energy conversion and mathematics

Researchers explore the mathematical underpinnings of PEM fuel cells, which convert hydrogen into electricity with only heat and water byproducts. The study's findings have significant implications for the development of sustainable energy solutions.

SourceSociety for Industrial and Applied Mathematics·JournalSIAM Journal on Applied Mathematics·DateJul 24, 2009
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

UTMB study identifies women at risk of gaining excessive weight with injectable birth control

Researchers identified 'early gainers' who averaged 24 pounds of weight gain over three years, linked to increased abdominal fat and metabolic syndrome. The study recommends physicians tailor counseling based on women's risk factors and suggest alternative contraception methods for those who gain significant weight.

SourceUniversity of Texas Medical Branch at Galveston·JournalObstetrics and Gynecology·DateJul 24, 2009

Pinpointing cause of colic: UT Houston researchers identify organism

Researchers at UT Health Science Center at Houston have identified an organism called Klebsiella that may be sparking inflammation and gut issues in colicky infants. The study found a link between the bacterium and gut inflammation in colic sufferers, potentially paving the way for treatment with probiotics.

SourceUniversity of Texas Health Science Center at Houston·JournalThe Journal of Pediatrics·DateJul 24, 2009

Red List overlooks island species

Research by José Luis Martín Esquivel reveals inconsistencies between IUCN Red List criteria and the conservation status of species on the Canary Islands. The scientist argues that continental-based thresholds may not be suitable for island ecosystems, leading to over-inclusion of species not at risk.

SourceSpanish Foundation for Science and Technology·JournalJournal for Nature Conservation·DateJul 24, 2009

Protein that promotes cancer cell growth identified

Researchers at Burnham Institute for Medical Research identified Caspase-8 as a key player in promoting cancer cell proliferation and migration. The study found that Caspase-8 activates the MAPK pathway through Src, leading to increased cell division and invasion.

SourceSanford Burnham Prebys·JournalCancer Research·DateJul 24, 2009
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

DOE-funded research projects win 46 R&D 100 Awards for 2009

The US Department of Energy's national laboratories have won 46 R&D 100 Awards for their exceptional work in technology transfer and innovation. These awards recognize the department's commitment to advancing energy security, environmental protection, and economic growth.

SourceDOE/US Department of Energy·DateJul 24, 2009

Ozen Engineering Inc. donates human body-modeling software to Clemson

Researchers at Clemson University will use AnyBody Modeling System to create detailed computer models of the human musculoskeletal system, exploring issues like hip replacements and seating comfort. The donation also includes tools to predict and assess implant performance and longevity, accelerating product development.

SourceClemson University·DateJul 24, 2009

Knee injuries may start with strain on the brain, not the muscles

Researchers found that training the central control process, including the brain and reflexive responses, may be necessary to counter the fatigue-induced ACL injury risk. The findings suggest a shift from performance-based to prevention-based athletic training programs.

SourceUniversity of Michigan·JournalBritish Journal of Sports Medicine·DateJul 24, 2009

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

Researchers have developed an in-vitro antibody production technique to detect HIV infection earlier, reducing the diagnostic window period. This method promotes the synthesis and release of antibodies against HIV-1 prior to detection in plasma samples, leading to safer blood supply and improved diagnosis.

SourceSociety for Experimental Biology and Medicine·JournalExperimental Biology and Medicine·DateJul 24, 2009
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Neuronal survival and axonal regrowth obtained in vitro

French researchers have developed a strategy to promote neuronal regeneration after injury using gene therapy. By blocking the formation of cicatricial tissue, astrocytes can be controlled to promote neuronal survival and trigger axonal growth.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalPLOS ONE·DateJul 24, 2009