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August 31, 2015

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August 31, 2015

Older People Getting Smarter, but Not Fitter

Aug. 31, 2015 — Older populations are scoring better on cognitive tests than people of the same age did in the past -- a trend that could be linked to higher education rates and increased use of technology in our ... read more

Endangered Animals Can Be Identified by Rate of Genetic Diversity Loss

Aug. 31, 2015 — A new study presents a novel approach for identifying vertebrate populations at risk of extinction by estimating the rate of genetic diversity loss, a measurement that could help researchers and ... read more

Aug. 31, 2015 — Hard, complex materials with many components are used to fabricate some of today's most advanced technology tools. However, little is still known about how the properties of these materials ... read more

Aug. 31, 2015 — Among birds, the line between species is often blurry. Some closely related species interbreed where their ranges overlap, producing hybrid offspring. In the coastal marshes of New England, this has ... read more

Raising Pay Can Reduce Smoking Rates

Aug. 31, 2015 — In addition to restricting when and where tobacco is used at work, research shows that employers can do something else to reduce smoking: raise ... read more

Aug. 31, 2015 — Researchers have used computer models to show that severe tropical cyclones could hit a number of coastal cities worldwide that are widely seen as unthreatened by such powerful ... read more

Predictor of Child Vocabulary in Early Speech

Aug. 31, 2015 — At 12 months old, your infant's ability to group objects according to the names associated with them -- as opposed to their appearance alone -- offers a glimpse into how his or her vocabulary ... read more

Lyme Disease Testing: Canadians May Receive False-Positives from Some US Labs

Aug. 31, 2015 — Lyme disease is becoming increasingly common in Canada, and Canadians with Lyme disease symptoms may seek diagnoses from laboratories in the United States, although many of the results will be ... read more

Heart Rate, Heart Rate Variability in Older Adults Linked to Poorer Function

Aug. 31, 2015 — A higher resting heart rate and lower heart rate variability in older adults at high risk of heart disease are associated with poorer ability to function in daily life as well as future decline, ... read more

Aug. 31, 2015 — When we move our head, the whole visual world moves across our eyes. Yet we can still make out a bee buzzing by or a hawk flying overhead, thanks to unique cells in the eye called object motion ... read more

As Wind-Turbine Farms Expand, Research Shows They Could Offer Diminishing Returns

Aug. 31, 2015 — A slowdown effect triggered by wind turbines is substantial for large wind farms and results in proportionally less renewable energy generated for each turbine versus the energy that would be ... read more

Researchers Examine Risk Factors/patient Outcomes Associated With Colorectal Cancer

Aug. 31, 2015 — About 20 percent of colorectal cancer patients have cancers that have spread beyond the colon at the time of their diagnosis. In a new study, researchers provide a detailed comparison of patient ... read more

Aug. 31, 2015 — Experimental and theoretical physicists and a polymer scientist have teamed up to use much thinner sheets than before to achieve seeking to encapsulate droplets of one fluid within another. Thinner, ... read more

'Eat Me' Signal Whets Appetites for Tumor-Devouring Dendritic Cells

Aug. 31, 2015 — The therapeutic effect of CD47 blockade as a cancer treatment relies more on dendritic cells than macrophages, scientists report. Anti-CD47-mediated tumor rejection will require both innate and ... read more

Exclusive Breastfeeding and the Effect on Postpartum Multiple Sclerosis Relapses

Aug. 31, 2015 — Women with multiple sclerosis who intended to breastfeed their infants exclusively for two months had a lower risk of relapse during the first six months after giving birth compared with women who ... read more

Aug. 31, 2015 — In animals, numerous behaviors are governed by the olfactory perception of their surrounding world. Whether originating in the nose of a mammal or the antennas of an insect, perception results from ... read more

Vitamin D May Play Key Role in Preventing Macular Degeneration

Aug. 31, 2015 — Women who are deficient in vitamin D and have a specific high-risk genotype are 6.7 times more likely to develop AMD than women with sufficient vitamin D status and no high risk genotype, scientists ... read more

Aug. 31, 2015 — Scientists have developed a novel approach to control the activity of enzymes through the use of synthetic, antibody-like proteins known as monobodies. The findings have widespread implications for a ... read more

Alzheimer’s Disease: Overlooked for 30 Years, There Is a New Kid on the Block

Aug. 31, 2015 — Alzheimer's disease is associated with the appearance of characteristic neurotoxic protein aggregates in various regions in the brain. Chemical analysis of these insoluble deposits reveals that ... read more

Aug. 31, 2015 — For more than a hundred years, people have known that dendritic arbors -- the projections that neurons use to receive information from other neurons -- differ in size and shape depending on neuron ... read more

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