Reservoir of hidden HIV larger than previously thought New findings put spotlight on need for new drugs to target HIV proviruses In the fight to cure human immunodeficiency virus (HIV), researchers have been dealt a blow. A new study by Howard Hughes Medical Institute ...

Researchers apply brainpower to understanding neural stem cell differentiation How do humans and other mammals get so brainy? USC researcher Wange Lu, PhD, and his colleagues shed new light on this question in a paper that will be published in Cell ...

Novel genetic mutations cause low metabolic rate and obesity Researchers believe the gene could be a useful therapeutic target for treating obesity and type 2 diabetes Researchers from the University of Cambridge have discovered a novel genetic cause of severe ...

For fish and rice to thrive in Yolo Bypass, 'just add water' From a fish-eye view, rice fields in California's Yolo Bypass provide an all-you-can-eat bug buffet for juvenile salmon seeking nourishment on their journey to the sea. That's according ...

Physicists decode decision circuit of cancer metastasis Rice U. research reveals 3-way genetic switch for cancer metastasis Cancer researchers from Rice University have deciphered the operating principles of a genetic switch that cancer cells use to decide when to metastasize and ...

Study shows no increased risk for heart attacks among HIV-positive patients with high CD4 cell count Healthy HIV-positive subjects have same heart-attack risk as general population OAKLAND, Calif., October 24, 2013 — Patients who are HIV-positive and have high CD4 cell ...

Climate change and coevolution: We've done the math A rule of thumb to help calculate the likely effect of climate change where species interact When scientists attempt to understand how climate change might reshape our environment, they must grapple ...

Study by researchers at Saarland University demonstrates preventive effect of sterols in Alzheimer's This news release is available in German. "Plant sterols are present in various combinations in nuts, seeds and plant oils. As plant sterols are the equivalents of animal cholesterol, ...

How are children affected by maternal anxiety and depression? Maternal symptoms of anxiety and depression increased the risk of emotional and disruptive problem behaviors in children as early as 18 months of age, according to new research findings from the ...

Bigger, better, faster 3D structure reveals protein's Swiss-army knife strategy The molecular machine that makes essential components of ribosomes – the cell's protein factories – is like a Swiss-army knife, researchers at the European Molecular Biology Laboratory ...

Deadly gaps persist in new drug development for neglected diseases New study shows that, despite some progress, only 4 percent of new drugs and vaccines approved 2000-2011 were for neglected diseases, and a 'fatal imbalance' remains in R&D for many neglected ...

Coyote more likely to make a meal out of moose than we thought: Study This news release is available in French. It has long been believed that coyotes were incapable of taking down an adult moose, but researchers have recently discovered ...

Better sex in return for good gifts A male spider that gives its selected female a nuptial gift is allowed to mate with her for a longer period of time and provide more sperm than a male that fails to come with a gift Culinary gifts The male's nuptial gift consists ...

Mayo Clinic study: Uterine fibroids have significant impact on quality of life, workplace performance Fibroids found to be a public health issue for African-American women who have more symptoms, longer time to diagnosis and greater need for information ROCHESTER, ...

Experts clarify conflicting criteria for diagnosing polycystic ovary syndrome Endocrine Society publishes Clinical Practice Guideline on diagnosis, treatment of leading cause of infertility Chevy Chase, MD—The Endocrine Society today issued a Clinical Practice ...

Unleashing the power of the crowd McGill online game expands to connect global scientific community with citizen scientists Over the past three years, 300,000 gamers have helped scientists with genomic research by playing Phylo, an online puzzle game. Now Jérôme ...

EORTC study suggests detecting ERG gene deletion useful for risk stratification in childhood ALL Results of EORTC trial 58951 suggest that detecting ERG gene deletion at diagnosis of childhood B-cell precursor (BCP) acute lymphoblastic leukemia ...

Natural dyes from common (and a few uncommon) ingredients: A new video by the American Chemical Society From crimson red to lavender to mustard yellow, vibrant hues can be coaxed from common — and a few uncommon — ingredients to add color to fabrics. The ...

Polycyclic aromatic hydrocarbons in smokeless tobacco products New study shows that the concentration of polycyclic aromatic A new study shows that the concentration of polycyclic aromatic hydrocarbons (PAHs) in smokeless tobacco products (STPs) ...

New testing strategy detects population-wide vitamin and mineral deficiencies Could speed mass intervention in developing countries Johns Hopkins researchers have demonstrated that levels of certain proteins in the bloodstream may be used to estimate levels of essential ...

Molecular biology: Designer of protein factories exposed For 10 years, Patrick Cramer and his colleagues at Ludwig-Maximilians-Universitaet (LMU) in Munich have probed the structure of RNA polymerase I, a crucial cog in the machinery of all cells. ...

Obesity may increase the risk of Clostridium difficile infection (Boston)--Researchers from Boston Medical Center (BMC) and Boston University School of Medicine (BUSM) have identified obesity as a possible risk factor for clostridium difficile infection ...

Copious community-associated MRSA in nursing homes More than one quarter of residents of 26 nursing homes in Orange County, California carry community-associated methicillin-resistant Staphylococcus aureus (MRSA), which spread more easily, and may cause more ...

NASA analyzes Hurricane Raymond's copious rainfall Powerful hurricane Raymond, located off Mexico's south-central Pacific coast, weakened to a tropical storm and has dropped a lot of rain over central western Mexico's coast. NASA's TRMM satellite measured rainfall ...

Finding psychiatric drugs in the movements of mice Research from Tel Aviv University unlocks the secrets of mouse behavior to help identify promising new drugs Developing psychiatric medications is a long and complex process. Candidate drugs are evaluated ...