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Science News Archive December 2008 - Page 6


Page 6 of 21

Panic attacks linked to higher risk of heart attacks and heart disease, especially in younger people

A study found that individuals diagnosed with panic attacks or disorder have a significantly increased risk of developing coronary heart disease and suffering a heart attack, particularly among those under 50 years old. However, the research also showed that people with panic disorders face a reduced risk of dying from heart conditions.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateDec 18, 2008

Cry me a river: The psychology of crying

Researchers found that most respondents reported improved mood after a good cry, but some felt worse or no improvement. Criers who received social support experienced the most significant improvements in mood. The study highlights the complexities of crying behavior and its physical and emotional effects.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateDec 17, 2008

'Seeing' the quantum world

A four-minute animated movie created by University of Calgary's Barry Sanders explains the nature of quantum computing, its power and underlying science. The animation uses state-of-the-art techniques to convey quantum concepts in an accurate and exciting way.

SourceUniversity of Calgary·JournalNew Journal of Physics·DateDec 17, 2008

Strange travels

Research focuses on transport phenomena in heterogeneous media, exploring anomalous transport and its role in hydrogeology. The study highlights the importance of concentration tails in assessing radioactive waste disposal reliability.

SourceSoil Science Society of America·JournalVadose Zone Journal·DateDec 17, 2008

Women prefer prestige over dominance in mates

A study published in Personal Relationships reveals that women prioritize men who are recognized by peers for their skills and achievements, rather than those who use coercive tactics to subordinate rivals. In long-term relationships, women's preferences for prestige increase, contradicting common dating advice.

SourceWiley·JournalPersonal Relationships·DateDec 17, 2008

Racial tension in a 'split-second'

Research suggests that brief hesitations in conversation can increase anxiety in interracial interactions. In a study, participants experienced heightened anxiety when having conversations with someone of a different racial background after being delayed by just one second. This delay was undetectable to the participants.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 17, 2008

Engineering algae to make fuel instead of sugar

Scientists at the University of California, Berkeley have developed a method to genetically modify microalgae to produce hydrogen and hydrocarbons instead of sugar molecules. This modification allows for more efficient use of sunlight in the photosynthesis process, making it a potential alternative to traditional biofuels.

SourceOptica·JournalOptics Express·DateDec 17, 2008

Male circumcision may decrease risk of HPV infection and cervical cancer

New studies suggest that male circumcision can lower the risk of human papillomavirus (HPV) infection, particularly high-risk subtypes associated with cervical, penile, and other cancers. Circumcised men are about half as likely to have HPV as uncircumcised men, according to research published in The Journal of Infectious Diseases.

SourceInfectious Diseases Society of America·JournalThe Journal of Infectious Diseases·DateDec 17, 2008

Lean muscle mass helps even obese patients battle cancer

A recent study by the University of Alberta found that individuals with sarcopenic obesity, a condition characterized by low lean muscle mass, had significantly reduced survival rates and poorer physical function compared to those with only obesity. This suggests that body composition may play a crucial role in cancer treatment outcomes.

SourceUniversity of Alberta·JournalThe Lancet Oncology·DateDec 17, 2008

Growing income gap among US families suggests increasing economic insecurity

Research published in American Sociological Review reveals a significant increase in income inequality among US families with children since 1975. The study found that family type and education level played key roles in shaping income disparities, with single-parent families without working mothers exhibiting the greatest inequality.

SourceAmerican Sociological Association·JournalAmerican Sociological Review·DateDec 17, 2008

The Green (and blue, red and white) lights of the future

A new paper in Optics Express envisions a future with widespread use of LED lights, offering significant energy savings and environmental benefits. LEDs are predicted to save more than $1 trillion in energy costs over 10 years and lead to substantial reductions in carbon dioxide emissions.

SourceOptica·JournalOptics Express·DateDec 17, 2008