Add BrightSurf on Google Email

Science News Archive 2012 - Page 146


Page 146 of 333

Researchers identify mechanisms that allow embryonic stem cells to become any cell in the human body

Researchers at Hebrew University of Jerusalem identified mechanisms allowing embryonic stem cells to become any cell type by examining epigenetic pathways and chromatin structure. This discovery could lead to the creation of cells in labs for treating Alzheimer's, Parkinson's, and other degenerative diseases.

SourceThe Hebrew University of Jerusalem·JournalNature Communications·DateJul 18, 2012

'Sifting' liquid at the molecular level

Researchers develop method for separating liquids using individual carbon nanotubes, which act as separation channels for chemically distinct molecules. This technology could prove useful in forensic studies and analyzing molecules from single cells, enabling analysis of trace evidence and invisible stains.

SourceDrexel University·JournalScientific Reports·DateJul 17, 2012

Mammography screening shows limited effect on breast cancer mortality in Sweden

A study published in the Journal of the National Cancer Institute found that breast cancer mortality rates in Swedish women aged 40-69 declined at a rate similar to the prescreening period, suggesting limited impact of mammography screening. Researchers note potential limitations, including obesity and population mobility biases.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJul 17, 2012

Vitamin B12 supplements may help treat hepatitis C

A pilot study found that adding vitamin B12 to standard hepatitis C virus treatment significantly boosts the body's ability to keep the virus at bay, especially in patients with genotype 1 HCV or high viral loads. The treatment strengthened the rate of sustained viral response by 34%.

SourceBMJ Group·JournalGut·DateJul 17, 2012

Female money doesn't buy male happiness

A new study by Patrick Coughlin and Jay Wade found that macho men who accept their partner's higher income have better quality relationships. Conversely, those with traditional masculinity ideologies report low-quality relationships due to the disparity in income.

SourceSpringer·JournalSex Roles·DateJul 17, 2012

Workplace exposure to organic solvents linked to heart defects at birth

Research found associations between exposure to certain organic solvents and an increased risk of heart defects in newborns. The study, published in Occupational and Environmental Medicine, suggests that workplace exposure to organic solvents may be a potential risk factor for several types of congenital heart defects at birth.

SourceBMJ Group·JournalOccupational and Environmental Medicine·DateJul 17, 2012

Unmet needs: Adolescents and young adult cancer patients lack psychological, social support

New research reveals that adolescents and young adult cancer patients often lack access to the necessary psychological, social support, and information resources. Studies found significant proportions of patients in this age group report unmet needs for mental health services, camp programs, and age-appropriate online resources.

Punishment motivated by fairness, not revenge

A study published in Biology Letters found that humans punish cheats only when they end up better off than the punisher, challenging the notion of revenge-based motivation. The researchers aimed to clarify the relationship between punishment and cooperation by investigating underlying motivations.

SourceUniversity College London·JournalBiology Letters·DateJul 17, 2012