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As its wearer walks, a modified knee brace produces energy, which it feeds to a lithium-ion battery pack. Could it power medical devices wirelessly?
A shift in time metrics can motivate people to accomplish their goals, report researchers.
The simple act of thinking can accelerate the growth of many brain tumors.<p>That's the conclusion of a paper in <i>Cell</i> published Thursday that showed how activity in the cerebral cortex affected high-grade gliomas, which represent about 80 percent of all malignant brain tumors in people.<p>"This tumor is …Cancer
Everyone is currently urging people not to miss the voter registration deadline which is today. But why so much enthusiasm at the last minute when it’s always been as important? Deadlines, as much as we hate them, often prove to be very motivating, for various psychological reasons.<p>People like …Time Management
More people are surviving childhood cancer, but many face chronic health problems that affect daily living. "Simply curing their disease isn't …Cancer
Many former ICU patients suffer from PTSD. Experts say there's a simple tool to help prevent it: a notebook.
For all their talk about evidence-based medicine, a lot of doctors don't follow the clinical guidelines set by leading medical groups.<p>Consider, for example, the case of cataract surgery. It's a fairly straightforward medical procedure: Doctors replace an eye's cloudy lens with a clear, prosthetic …Medicine
Medicine has changed a lot in the past 100 years. But medical training hasn't — until now. Spurred by the need to train a different type of doctor, some top medical schools around the U.S. are tearing up the textbooks and starting from scratch.<p>"We haven't taught people how to be specific about …
"Hot or not?" comes to computer security<p>Back in 1999, Neal Stephenson's novel <i>Cryptonomicon</i> introduced me to the idea of Van Eck phreaking—intercepting the weak electromagnetic radiation from a computer monitor to recreate what the person is seeing on the screen. Now security researchers have come …Ben-Gurion University
Finding out how much information free apps give to third parties makes people act fast to change their privacy settings.
Researchers say it can curb obesity in countries where rice is a staple<p>Rice, the base for cuisines all over the world, contains a lot of starch. That makes it delicious but also high in calories. While that may a boon for people who struggle to ingest enough calories each day, it’s becoming a …Nutrition
Scientists have discovered a virus living deep in the ocean that self-mutates to infect very strange methane-eating microorganisms.
Even when we need to focus on just one dimension of an object—such as color, texture, or luminance—our eyes just can't help focusing on several.
CAIRO — A team from a Spanish university has discovered what Egyptian authorities are calling the world's oldest evidence of breast cancer in the 4,200-year-old skeleton of an adult woman. Antiquities Minister Mamdouh el-Damaty said the bones of the woman, who lived at the end of the 6th Pharaonic …Cancer
Researchers may have found the answer that could keep glasses off one-third of the world’s population<p>Myopia, or nearsightedness, is reaching epidemic proportions. In the US, over 40 percent of the population needs glasses; estimates suggest that one-third of the world’s population will be …
Some scientists claim that new discoveries have proved free will is an illusion. Nonsense, says Julian Baggini<p>Whenever you read stories about identical twins separated at birth, they tend to follow the template set by the most remarkable of them all: the “two Jims”. James Springer and James Lewis …Genetics
Researchers claim married couples are more likely to have a stable relationship when either the husband or wife asserts dominance<p>Having a dominant spouse in a marriage may give the partnership greater stability and lead to more children, researchers claim.<p>A study found that relationships where …Social Sciences
Harnessing the power of sound using office supplies<p>On the ground floor of Pioneer Works Center for Arts and Innovation in Brooklyn, New York, a bearded and flanneled trio played gloomy arrhythmic music one Wednesday night. Upstairs, director of education David Sheinkopf taught a class on the …
Sweet news for diabetics<p>Diabetics often prick their fingers up to eight times a day to check their blood sugar. Researchers have long looked for a solution that provides constant monitoring without being so invasive, and researchers at the University of California San Diego have come up with a new …
Researchers at Stanford University found that more than two thirds of screening tests they studied did not save lives<p>Screening for cancer does little to prevent deaths and may do more harm that good, a widespread review of studies has found.<p>Researchers at Stanford School of Medicine looked at data …Cancer
Even a small amount of exercise, such as brisk daily 20 minute walk, reduces the risk of premature death.<p>Lack of exercise is twice as deadly as obesity, but a brisk 20-minute walk each day is all it takes to avoid an early death, Cambridge University has said.<p>A study of more than 334,000 people …
Stanford University scientists have found that every time a woman puts on a pair of stilettos she is putting dangerous levels of strain on her joints<p>Most women would agree that tottering along in a pair of killer heels can result in sore feet, painful ankles and a bad back.<p>But a new study suggests …High Heels
If you went to high school in America, chances are your school offered a curriculum that looked more or less like the ones taken by your peers across the country – give or take a lesson on evolution, anyway. But there’s one essential topic that’s anything but standardized: sex education. While some …Education
The test developed by researchers at the National Institute on Aging, distinguishes between patients and healthy elderly with 100 percent accuracy<p>A new blood test for Alzheimer’s could detect the disease as many as 10 years before clinical diagnosis is possible - far sooner than other tests in …
Scientists at Washington State University believe that a nasal spray could be produced which boosts a protein so sufferers could sleep off the flu<p>A brain protein which boosts the healing power of sleep to fight off flu has been found by scientists.<p>Researchers at Washington State University are …Bird Flu
This is the story of a man whose ideas could have saved a lot of lives and spared countless numbers of women and newborns' feverish and agonizing deaths.<p>You'll notice I said "could have."<p>The year was 1846, and our would-be hero was a Hungarian doctor named Ignaz Semmelweis.<p>Semmelweis was a man of …Physiology
Doctors wired them right into his nerves<p>Until recently, losing both arms in an accident would probably have meant the end of a patient's two-fisted grip. Not so for Leslie Baugh, the first shoulder-level double amputee to wear and control two complex, mind-controlled prosthetic limbs.<p>Baugh isn't …
Some can manage five minutes, others barely one. But the trick to holding your breath is actually rather surprising<p>How long can you hold your breath? I’m trying it right now. The first 30 seconds are easy. I’m ready to give up at 45 seconds but I push on through, and it seems to get easier for a …
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