Blog – Page 831 – Shamskm: A site to exchange knowledge and solutions

Scientists Discover New Site of Potential Instability in West Antarctic Ice Sheet

AUSTIN, Texas — Using ice-penetrating radar instruments flown on aircraft, a team of scientists from the U.S. and U.K. have uncovered a previously unknown sub-glacial basin nearly the size of New Jersey beneath the West Antarctic Ice Sheet (WAIS) near the Weddell Sea. The location, shape and texture of the mile-deep basin suggest that this region of the ice sheet is at a greater risk of collapse than previously thought. (more…)

The Success of Homo sapiens May Be Due to Spatial Abilities

Science

While the disappearance of Neanderthals remains a mystery, paleoanthropologists have an increasing understanding of what allowed their younger cousins, Homo sapiens, to conquer the planet. According to Ariane Burke, Professor in the Department of Anthropology at the Université de Montréal, the rapid dispersal of anatomically modern humans was not so much due to superior intelligence or improved hunting or gathering techniques, but rather to the creation of symbolic objects that allowed them to extend their social relations across vast territories. (more…)

Portable Diagnostics Designed To Be Shaken, Not Stirred

Science

As medical researchers and engineers try to shrink diagnostics to fit in a person’s pocket, one question is how to easily move and mix small samples of liquid.

University of Washington researchers have built and patented a surface that, when shaken, moves drops along certain paths to conduct medical or environmental tests.

“This allows us to move drops as far as we want, and in any kind of layout that we want,” said Karl Böhringer, a UW professor of electrical engineering and bioengineering. The low-cost system, published in a recent issue of the journal Advanced Materials, would require very little energy and avoids possible contamination by diluting or electrifying the samples in order to move them. (more…)

You’re Beautiful, Vesta

Science

NASA’s UCLA-led Dawn mission shows protoplanet’s surprising surface

When UCLA’s Christopher T. Russell looks at the images of the protoplanet Vesta produced by NASA’s Dawn mission, he talks about beauty as much as he talks about science. (more…)

Peak Risk About 16 Years Old for Teens Misusing Prescription Drugs

Health

EAST LANSING, Mich. — The peak risk for misusing prescription pain relievers occurs in mid-adolescence, specifically about 16 years old and earlier than many experts thought, according to a new study by Michigan State University researchers.

The results, based on recent nationwide surveys of nearly 120,000 U.S. adolescents, suggest prevention programs may need to be introduced earlier, in childhood and early adolescence, said James C. Anthony of MSU’s Department of Epidemiology and Biostatistics. (more…)

Many U.S. Families Are Underwater with Debts

Economy

ANN ARBOR, Mich.— As the country emerges from the Great Recession, a substantial number of U.S. families are underwater—and not just with their mortgages. (more…)

UA Project CENTRL a ‘Life-Changing Experience’

Politics

A leadership program sponsored by UA Cooperative Extension has created a network of public officials throughout rural Arizona.

Diane Joens has piled up an impressive list of accomplishments over the last decade: mayor of Cottonwood, Ariz., co-founder of Stewards of Public Lands, editor and publisher of The Verde River Almanac and champion of water rights, reclamation and downtown development. (more…)

Neuro Researchers Sharpen our Understanding of Memories

Health

Scientists now have a better understanding of how precise memories are formed thanks to research led by Prof. Jean-Claude Lacaille of the University of Montreal’s Department of Physiology. “In terms of human applications, these findings could help us to better understand memory impairments in neurodegenerative disorders like Alzheimer’s disease,” Lacaille said. The study looks at the cells in our brains, or neurons, and how they work together as a group to form memories. (more…)