Teenage drivers are eight times more likely to be involved in a collision or near miss during the first three months after getting a driver's license, compared to the previous three months on a learner's permit, suggests a study led by the National Institutes of Health. Teens are also four times more likely to engage in risky behaviors, such as rapid acceleration, sudden braking and hard turns, during this period. In contrast, teens on a learner's permit drove more safely, with their crash/near crash and risky driving rates similar to those of adults.
Tokyo - Materials that absorb hydrogen are used for hydrogen storage and purification, thus serving as clean energy carriers. The best-known hydrogen absorber, palladium (Pd), can be improved by alloying with gold (Au).
New research led by The University of Tokyo Institute of Industrial Science explains for the first time how Au makes such a difference, which will be valuable for fine-tuning further improvements.
Scientists from The Australian National University (ANU) and overseas have discovered the oldest colours in the geological record, 1.1 billion-year-old bright pink pigments extracted from rocks deep beneath the Sahara desert in Africa.
Dr Nur Gueneli from ANU said the pigments taken from marine black shales of the Taoudeni Basin in Mauritania, West Africa, were more than half a billion years older than previous pigment discoveries. Dr Gueneli discovered the molecules as part of her PhD studies.
Through x-ray crystallography and kinase-inhibitor specificity profiling, University of California San Diego School of Medicine researchers, in collaboration with researchers at Peking University and Zhejiang University, reveal that curcumin, a natural occurring chemical compound found in the spice turmeric, binds to the kinase enzyme dual-specificity tyrosine-regulated kinase 2 (DYRK2) at the atomic level. This previously unreported biochemical interaction of curcumin leads to inhibition of DYRK2 that impairs cell proliferation and reduces cancer burden.
Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows.
The evidence comes from a new study that indicates a second and much earlier "whiff" of oxygen in Earth's distant past -- in the atmosphere and on the surface of a large stretch of ocean -- showing that the oxygenation of the Earth was a complex process of repeated trying and failing over a vast stretch of time.
Chicago, IL - A new study published in Pediatrics found that young adults who had a parent incarcerated during their childhood are more likely to skip needed healthcare, smoke cigarettes, engage in risky sexual behaviors, and abuse alcohol, prescription and illicit drugs. These findings have potentially broad impact, as over five million U.S. children have had a parent in jail or prison.
Physicians who work in small, independent primary care practices--also known as SIPs--report dramatically lower levels of burnout than the national average (13.5 percent versus 54.4 percent), according to a study led by researchers at NYU School of Medicine publishing online July 9 in the Journal of the American Board of Family Medicine. The findings indicate that the independence and sense of autonomy that providers have in these small practices may provide some protection against symptoms of burnout.
A new study finds that severe childhood trauma and stresses early in parents' lives are linked to higher rates of behavioral health problems in their own children.
The types of childhood hardships included divorce or separation of parents, death of or estrangement from a parent, emotional, physical or sexual abuse, witnessing violence in the home, exposure to substance abuse in the household or parental mental illness.
The perception of having Albert Einstein's body may help unlock previously inaccessible mental resources, finds a new study. Following a virtual reality "Einstein" experience, participants were less likely to unconsciously stereotype older people while those with low self-esteem scored better on cognitive tests. Published in Frontiers in Psychology, the study suggests the way our brain perceives our body is surprisingly flexible.
A team of multidisciplinary researchers at the University of Waterloo has identified three basic video game player traits that will help to make game design more personalized and more effectively motivate gamers in both entertainment and work applications.