Day December 8, 2015

U.S. teens don’t exercise enough at school

By Lisa Rapaport (Reuters Health) – Even though teens get more exercise at school than anywhere else, it still isn’t enough to meet minimum daily activity levels recommended for good physical and mental health, a U.S. study suggests. Children and…

NREL research advances understanding of photoelectrodes

Scientists at the Energy Department’s National Renewable Energy Laboratory (NREL) have developed a new probe that could lead to a better photoelectrochemical cell. A paper on the discovery, ‘Semiconductor interfacial carrier dynamics via photoinduced electric fields,’ was published in Science…

Hip osteoarthritis may not appear on x-ray

(Boston ) — In the majority of cases, hip x-rays are not reliable for diagnosing hip osteoarthritis (OA), and can delay the treatment of this debilitating disease. These findings are the first to evaluate the diagnostic performance of an x-ray…

Suspect cells not guilty after all in late-stage lupus

IMAGE: Xiaofeng Liao (left), a Ph.D. student in the Department of Biomedical Sciences and Pathobiology, and Xin Luo, an assistant professor of immunology, are co-authors on a paper about late-stage lupus… view more Credit: Virginia Tech For years, biomedical researchers have…

Which is healthier: coffee or tea?

A colleague recently came to me asking what’s better: coffee or tea? She told me that she (a coffee drinker) and her boyfriend (more of a tea guy) were debating which beverage is healthier, each believing their own personal preference…

IBS reports a high performance nanoparticle electrocatalyst

IMAGE: Synthesis of ordered intermetallic fct PtFe Schematic synthesis diagram of carbon-supported and N-doped carbon-coated ordered fct-PtFe NPs. view more Credit: Institute for Basic Science Scientists operating out of IBS’ Center for Nanoparticle Research have reported highly durable and active intermetallic…

Marijuana chemical shows promise for hard-to-treat epilepsy in kids

Preliminary studies link cannabidiol to seizure reduction, but drug interactions remain a concern. (HealthDay)—Evidence is mounting that a marijuana-derived oil might benefit some children with epilepsy whose seizures aren’t controlled by approved medications, two new studies show. Cannabidiol (CBD) significantly…

What makes Tom Hanks look like Tom Hanks?

Tom Hanks has appeared in many acting roles over the years, playing young and old, smart and simple. Yet we always recognize him as Tom Hanks. Why? Is it his appearance? His mannerisms? The way he moves? University of Washington…