Add BrightSurf on Google Email

Science News Archive 2011 - Page 69


Page 69 of 311

Genome sequencing unlocks the mysteries of naked mole rat

Researchers have sequenced the naked mole rat genome, revealing genes related to its exceptional traits such as longevity, cancer resistance, and low oxygen tolerance. The study identified stable gene expression of TERT and tumor suppressor p16Ink4a, which may contribute to NMR's longevity mechanism and cancer resistance.

SourceBGI Shenzhen·JournalNature·DateOct 12, 2011

MIT research: Sugar high for bees

A study by MIT researchers found that bees and similar nectar feeders are most efficient when feeding on more sugary, or viscous, nectar, while suction feeders prefer less sugary nectar. This suggests a correlation between the morphology of flowers and their pollinators.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateOct 12, 2011

Why many cells are better than one

Researchers from Johns Hopkins have quantified a cell's decision-making ability, finding it to be only two possible choices. Cells can overcome their individual limitations by forming multicellular organisms, which enables them to transfer information and make decisions together.

SourceJohns Hopkins Medicine·JournalScience·DateOct 12, 2011

Do US men value fatherhood over their careers?

A nationwide survey of nearly 1,000 US men reveals that most value fatherhood as much as or more than their careers. Cultural and identity factors play a significant role in shaping attitudes towards fatherhood, contradicting conventional notions of fathers as economic providers.

SourceUniversity of Nebraska-Lincoln·JournalFathering A Journal of Theory Research and Practice about Men as Fathers·DateOct 12, 2011

Survival disparities in African-American and white colo-rectal cancer patients

A study published in the Journal of the National Cancer Institute found that African-American patients with resected stage II and III colon cancer experienced poorer overall and recurrence-free survival compared to whites. The five-year relative survival rates for black and white colorectal cancer patients were 57% and 68%, respectively.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateOct 12, 2011

UK study shows that a general practice domestic violence training program greatly increases referral of women to domestic violence advocacy organizations (IRIS study)

A UK study reveals that a general practice domestic violence training program greatly increases referral of women to domestic violence advocacy organizations. The intervention programme included specialist training, a prompt within the medical record, and a named advocate. This improvement is attributed to the substantial difference in...

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 12, 2011

Violent games emotionally desensitizing

A study by University of Bonn researchers found that heavy users of first-person shooter games exhibit decreased control over emotions when exposed to real-life negative images, as their brains become desensitized to such stimuli. This effect is not limited to virtual worlds, suggesting potential long-term consequences for gamers.

SourceUniversity of Bonn·JournalBiological Psychology·DateOct 12, 2011

Study compares narrow band imaging to chromoendoscopy for the detection of dysplasia in IBD patients

A study found that narrow band imaging is a less time-consuming and equally effective alternative to chromoendoscopy for detecting dysplasia in IBD patients, but with a higher miss rate. The researchers concluded that chromoendoscopy remains the recommended technique for detecting dysplasia.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateOct 12, 2011

Researchers make older beta cells act young again

Scientists at Stanford University have identified a molecular pathway responsible for the decline of beta cell division with age. By manipulating this pathway, they can restore the ability of older beta cells to divide and generate new cells, potentially leading to breakthroughs in treating both type 1 and type 2 diabetes.

SourceJDRF·JournalNature·DateOct 12, 2011

'Evidence in European Asylum Procedures'

The thesis analyzes three national appellate asylum procedures in Europe, comparing their evidentiary standards and relating them to the EU legal order and international law. The study finds that national impacts play a significant role in adapting national procedures to external requirements.

SourceUniversity of Helsinki·JournalLaw and Human Behavior·DateOct 12, 2011