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Science News Archive 2008 - Page 4


Page 4 of 240

Protea plants help unlock secrets of species 'hotspots'

Researchers have created a family tree of 2,000 protea plant species, revealing that two regions – South Western Australia and the Cape Floristic Region – are experiencing accelerated speciation rates. This surge is linked to climate change approximately 10-20 million years ago, which led to hotter, drier conditions and vegetation fires.

SourceImperial College London·JournalProceedings of the National Academy of Sciences·DateDec 22, 2008

Tobacco company scientist gained access to WHO collaborating center

A new study reveals that a Philip Morris scientist established close connections with the Chulabhorn Research Institute in Thailand, which is designated as a WHO Collaborating Centre. This link raises concerns about the tobacco industry's ability to influence medical research and teaching at an academic institution allied with the WHO.

SourcePLOS·JournalPLOS Medicine·DateDec 22, 2008

JCI table of contents: Dec. 22, 2008

Researchers developed a method to analyze genetic variations in HCV-infected patients, predicting their response to antiviral therapy. This approach may lead to a test that identifies targets for new antiviral drugs.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateDec 22, 2008

Cousin marriage laws outdated

A population genetics expert argues that cousin marriage laws are ill-advised due to a smaller risk of birth defects than previously assumed. The laws, which vary by state in the US, reflect outmoded prejudices and oversimplified views of heredity.

SourcePLOS·JournalPLOS Biology·DateDec 22, 2008

Shade coffee benefits more than birds

Researchers found shade coffee farms support widespread dispersal of native trees, preserving genetic diversity and sheltering native wildlife. The study highlights the ecological benefits of traditional agriculture in promoting biodiversity and connecting habitat patches.

SourceUniversity of Michigan·JournalCurrent Biology·DateDec 22, 2008

Who are you kidding?

Research found that normal-weight mothers who accurately assessed their pre-pregnancy weight had half the odds of excessive gestational weight gain compared to those who underestimated. Under-assessors were younger, non-white, lower-income, and less educated, with poorer dietary habits.

SourceBMC (BioMed Central)·JournalBMC Pregnancy and Childbirth·DateDec 22, 2008

Trends in sexual behaviors similar for teens who take few health risk and those who take many

A study by Columbia University's Mailman School of Public Health found that teen sexual risk behaviors are similar among youth with few and those with many non-sexual health risks. Despite differences in overall health risk levels, trends in sexual behavior were remarkably consistent across both groups.

SourceColumbia University's Mailman School of Public Health·JournalJournal of Adolescent Health·DateDec 19, 2008

Prophylactic antibiotics, air quality control and barrier isolation combined reduce mortality

A combination of prophylactic antibiotics, barrier isolation, and air quality control measures significantly reduces mortality risk in immunocompromised cancer patients. The intervention shows a 40% reduction in all-cause mortality at 30 days post-treatment, with improved survival only seen when antibiotic and anti-fungal prophylaxis a...

SourceThe Lancet_DELETED·JournalThe Lancet Infectious Diseases·DateDec 19, 2008

Study compares the racial consciousness of black and Asian-Americans

A new study by political scientists Jane Junn and Natalie Masuoka compares the racial consciousness of black and Asian-Americans, revealing that Asian Americans are less attached to their racial identity. The research explores how factors such as state-sponsored racial classification, immigration policy, and racial stereotypes influenc...

SourceAmerican Political Science Association·JournalPerspectives on Politics·DateDec 19, 2008