Add BrightSurf on Google Email

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.

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

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