Between 5 and 10 percent of those older than 70 are frail and at increased risk of death, debilitation and hospitalizations. The medical condition is treatable, writes a Saint Louis University physician in a consensus article from representatives of six international and national medical societies. Doctors need to screen everyone 70 and older for physical frailty.
U.S. paleontologists led by Jason Head of the University of Nebraska-Lincoln announced fossils of giant lizard Barbaturex morrisoni this week. Their analysis shows that it is one of the biggest known lizards ever to have lived on land. They've named the creature after Doors lead singer Jim Morrison.
Scientists, like Buddhist monks and Zen masters, have known for years that meditation can reduce anxiety, but not how. Researchers at Wake Forest Baptist Medical Center, however, have succeeded in identifying the brain functions involved.
A new study by researchers at Wake Forest University shows Bertholdia trigona, a species of tiger moth found in the Arizona desert, can tell if an echo-locating bat is going to attack it well before the predator swoops in for the kill – making the intuitive, tiny-winged insect a master of self-preservation.
Researchers at the University of Adelaide have found that a lake on an island off the coast of Queensland, Australia, has been relatively untouched by changes in climate for the past 7000 years, and has so far also resisted the impact of humans.
New research from McMaster University suggests women can remember faces better than men, in part because they spend more time studying features without even knowing it, and a technique researchers say can help improve anyone’s memories.
Another piece of the puzzle to better understand and treat obsessive compulsive disorder (OCD) has fallen into place with the publication of new research that shows that the structural brain abnormalities of Doberman pinschers afflicted with canine compulsive disorder (CCD) are similar to those of humans with OCD. The research suggests that further study of anxiety disorders in dogs may help find new therapies for OCD and similar conditions in humans.
Most apes eat leaves and fruits from trees and shrubs. New studies spearheaded by the University of Utah show that human ancestors expanded their menu 3.5 million years ago, adding tropical grasses and sedges to an ape-like diet and setting the stage for our modern diet of grains, grasses, and meat and dairy from grazing animals.
Smartphones and tablets can make for sleep-disrupting bedfellows. One cause is believed to be the bright light-emitting diodes that allow the use of mobile devices in dimly lit rooms; the light exposure can interfere with melatonin, a hormone that helps control the natural sleep-wake cycle. But there may be a way to check your mobile device in bed and still get a good night’s sleep. A Mayo Clinic study suggests dimming the smartphone or tablet brightness settings and holding the device at least 14 inches from your face while using it will reduce its potential to interfere with melatonin and impede sleep.
The fate of a species may rest upon a single butterfly captured in late May by University of Florida lepidopterists.
Our Solar System's Milky Way neighborhood just went upscale. We reside between two major spiral arms of our home galaxy, in a structure called the Local Arm. New research using the ultra-sharp radio vision of the National Science Foundation's Very Long Baseline Array (VLBA) indicates that the Local Arm, previously thought to be only a small spur, instead is much more like the adjacent major arms, and is likely a significant branch of one of them.
A recent study of physical attractiveness and how it impacts real estate brokers’ pay and productivity shows that the more attractive the real estate agent, the higher the listing price of the home for sale.
Cancer immunotherapy is showing promise in treating patients with a variety of advanced, metastatic tumors, as evidenced by two newly unveiled studies from Yale Cancer Center.
Researchers from UCLA’s Jonsson Comprehensive Cancer Center report preliminary results showing significant antitumor activity with very manageable side effects from a new drug being tested in patients with advanced melanoma, the deadliest form of skin cancer.
The National Endowment for the Humanities (NEH) has awarded researchers at the University of California, Riverside a $60,000 grant to continue their development of face-recognition software to help identify unknown subjects of portrait art.
Climate is greatly influenced by the flow of heat energy carried by ocean currents. But precisely quantifying the mixing between the ocean and the atmosphere is hampered by a lack of detail in models of the ocean and of the water cycle. And in both models, knowing the salt content of the water is essential.
University of Arkansas researchers conducted a life-cycle analysis of fluid milk that will provide guidance for producers, processors and others throughout the dairy supply chain.
A Facebook profile is an ideal version of self, full of photos and posts curated for the eyes of family, friends and acquaintances. A new study shows that this version of self can provide beneficial psychological effects and influence behavior.
Researchers have found that a 260-million-year-old reptile is the earliest known version of the turtle. The discovery fills a large gap in the turtle fossil record and provide clues on how the turtle's unique shell evolved.
Whether damaged by injury, disease or age, your body can’t create new bone, but maybe science can. Researchers at North Dakota State University, Fargo, are making strides in tissue engineering, designing scaffolds that may lead to ways to regenerate bone. Published in the Journal of Biomedical Materials Research Part A, the research of Dr. Kalpana Katti, Dr. Dinesh Katti and graduate student Avinash Ambre includes a novel method that uses nanosized clays to make scaffolds to mineralize bone minerals such as hydroxyapatite.
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