A clicker means learning is quicker
Hand-held electronic devices called clickers are helping college students learn physics, according to a series of research studies.
Ohio State University students who used the devices to answer multiple-choice questions during physics lectures earned final examination scores that were around 10 percent higher – the equivalent of a full-letter grade -- than students who didn't.
Kidney damage caused by iodinated contrast material thought to be overestimated, study shows
The use of iodinated contrast material may be less damaging to the kidneys than previously recorded, according to a recent study conducted by researchers at Columbia University Medical Center in New York, NY. more
First human use of new device to make arrhythmia treatment safer
On June 16, 2008, Barbara Ganschow of Palatine, IL, became the first person in the world to be successfully treated with a new device designed to make it safer and easier for heart specialists to create a hole in the cardiac atrial septum. The hole, created by the NRGTM Transseptal Needle, allows cardiac catheters to cross from the right side of the heart to the left side. more
Second national scorecard on US health care system finds no overall improvement
A new national scorecard from The Commonwealth Fund Commission on a High Performance Health System finds that the U.S. health care system has failed to improve overall and that scores on access have declined significantly since the first national scorecard in 2006. Despite spending more on health care than any other industrialized nation, the U.S. overall continues to fall far short on key indicators of health outcomes and quality, with particularly low scores on efficiency. more
Children’s physical activity drops from age 9 to 15, NIH study indicates by 15, most fail to reach recommended activity level
The activity level of a large group of American children dropped sharply between age 9 and age 15, when most failed to reach the daily recommended activity level, according to the latest findings from a long-term study by the National Institutes of Health. more
Research finds further evidence for genetic contribution to autism
Some parents of children with autism evaluate facial expressions differently than the rest of us – and in a way that is strikingly similar to autistic patients themselves, according to new research by psychiatrist Dr. Joe Piven of the University of North Carolina at Chapel Hill and neuroscientist Ralph Adolphs, Ph.D., of the California Institute of Technology.
Asthma and other allergies tied to absence of specialized cells
When it comes to allergies, both the problem and the solution are found within us. Our immune systems respond to foreign substances with an arsenal of cells. Some are programmed to "remember" invaders they've encountered in the past. Normally, anything previously identified as harmless is allowed to pass. Sometimes, however, the immune response goes awry, triggering an allergic reaction. more
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