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Science News Archive October 2017 - Page 28


Page 28 of 43

Omega-6 fats may help prevent type 2 diabetes

A new study published in The Lancet Diabetes & Endocrinology suggests that a diet rich in omega-6 polyunsaturated fats may significantly reduce the risk of developing type 2 diabetes. Researchers found that individuals with higher levels of linoleic acid, the major omega-6 fat, had a lower chance of developing type 2 diabetes.

SourceGeorge Institute for Global Health·JournalThe Lancet Diabetes & Endocrinology·DateOct 11, 2017

An engineer's guide to the embryo

Researchers at the University of Pittsburgh are studying the mechanics of morphogenesis in frog embryos to better understand human development, birth defects, and cancer. By applying structural analysis principles, they aim to develop a tool that provides bioengineers with greater control over tissue self-assembly.

Watching wildfires

A University of Missouri team created a Physical Chemical Fire Frequency Model to understand how climate influences wildfire frequency. The model uses temperature and precipitation variables to predict wildfire patterns across different regions. By analyzing global wildfire data, the researchers have identified predictable patterns in ...

SourceUniversity of Missouri-Columbia·JournalPLOS ONE·DateOct 11, 2017

The making of medieval bling

Researchers discovered medieval artisans used an ancient method to coat silver threads with gold, revealing a technique that endured for centuries. The study employed lab techniques to characterize the chemistry of the threads and strips, showing the gold coating was applied using heat and hammering.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateOct 11, 2017

Grazing horses on better pastures

A new study by the University of Minnesota reveals that warm-season annual grasses have good potential for use in horse pastures. These grasses provide horses with more summer grazing options and offer improved nutritional profiles compared to cool-season grasses.

SourceAmerican Society of Agronomy·JournalAgronomy Journal·DateOct 11, 2017

Scientists eavesdrop on little-known beaked whales to learn how deeply they dive

Researchers from the NOAA Northeast Fisheries Science Center used a towed linear hydrophone array to document dive depths for Gervais' and True's beaked whales, two of the least known species. The study provides new insights into their behavior, revealing that they dive as deep as 870 meters in search of food.

SourceNOAA Northeast Fisheries Science Center·JournalThe Journal of the Acoustical Society of America·DateOct 11, 2017

Study casts doubt on warming implications of brown carbon aerosol from wildfires

Researchers at Washington University in St. Louis have discovered that brown carbon aerosol from wildfires loses its ability to absorb sunlight the longer it remains in the atmosphere, leading to a significant reduction in warming effects. This finding challenges current climate models and could impact air quality management districts.

SourceWashington University in St. Louis·JournalEnvironmental Science & Technology Letters·DateOct 11, 2017

Autism prevalence and socioeconomic status: What's the connection?

A new study found that children living in disadvantaged neighborhoods are less likely to be diagnosed with autism spectrum disorder due to limited access to healthcare providers. The study analyzed data from over 1.3 million children across the US and suggests that advances in screening techniques may not be the primary reason for the ...

SourceUniversity of Wisconsin-Madison·JournalAmerican Journal of Public Health·DateOct 11, 2017

Aging slows perception of falls

Seniors need twice as long as young adults to realize they are falling, increasing their risk for serious injury. The study's findings will help shape wearable fall prevention technology and aid clinicians in identifying at-risk individuals.

SourceUniversity of Waterloo·JournalGait & Posture·DateOct 11, 2017

Women seen as younger when eyes, lips and eyebrows stand out

A study published in Frontiers in Psychology found that women's facial contrast, including eyes, lips, and eyebrows, decreases with age across different ethnic groups. Observers perceive women with increased facial contrast as younger, suggesting facial contrast is a cross-cultural cue to age perception.

SourceFrontiers·JournalFrontiers in Psychology·DateOct 11, 2017

Resolving tension on the surface of polymer mixes

Physicists Pendar Mahmoudi and Mark Matsen found a simple mathematical formula to describe the interfacial tension between immiscible short- and long-chain polymers. The molecular weight affects segregation levels, leading to universal dependences on polymer distribution.

SourceSpringer·JournalThe European Physical Journal E·DateOct 11, 2017