Technology – Page 909 – Shamskm: A site to exchange knowledge and solutions

The Next Big Step Toward Atom-Specific Dynamical Chemistry

*Berkeley Lab scientists push chemistry to the edge, testing plans for a new generation of light sources*

For Ali Belkacem of Berkeley Lab’s Chemical Sciences Division, “What is chemistry?” is not a rhetorical question.

“Chemistry is inherently dynamical,” he answers. “That means, to make inroads in understanding – and ultimately control – we have to understand how atoms combine to form molecules; how electrons and nuclei couple; how molecules interact, react, and transform; how electrical charges flow; and how different forms of energy move within a molecule or across molecular boundaries.” The list ends with a final and most important question: “How do all these things behave in a correlated way, ‘dynamically’ in time and space, both at the electron and atomic levels?” (more…)

The Wondrous World of Insects

UA Insect Discovery program facilitators have spent years teaching Tucson area youth about the lives of insects while also encouraging them to pursue higher education and studies in science. The program is getting even more financial backing and other support

Holding a square, plastic container, Kathleen Walker turned toward the captivated group of dozens of elementary school students seated before her. (more…)

Use of Out-of-Network Services May Explain Higher Health Care Costs For Women

Women generally have been paying higher health care costs than men for many years, and this trend appears to be continuing or worsening since the major economic downturn began in 2008, according to Susan Busch, associate professor of health policy in the Yale School of Public Health. (more…)

50-Million-Year-Old Cricket and Katydid Fossils From Colorado Hint at Origin of Insect Hearing

*The team scoured more than 500 museum drawers of Green River fossils for crickets and katydids with intact front legs, looking for evidence of ears.*

How did insects get their hearing? A new study of 50-million-year-old cricket and katydid fossils sporting some of the best preserved fossil insect ears described to date are helping to trace the evolution of the insect ear.

According to paleontologist Dena Smith of the University of Colorado Boulder’s Museum of Natural History and University of Illinois Professor Roy Plotnick, who collaborated on the new study at the National Evolutionary Synthesis Center, or NESCent, in Durham, N.C., insects hear with help from some very unusual ears. (more…)

Guidelines Stress Caution When Combining Anti-Epileptic, HIV Drugs

EAST LANSING, Mich. — New guidelines from the American Academy of Neurology will help physicians better choose seizure drugs for people on HIV/AIDS medication, avoiding deadly drug interactions and preventing critical anti-HIV drugs from becoming less effective, possibly leading to a more virulent strain of the disease.

Michigan State University’s Gretchen Birbeck – who spends several months each year in the sub-Sahara African nation of Zambia researching epilepsy, HIV /AIDS and cerebral malaria – is the lead author of the medical guideline, which was co-developed with the World Health Organization through the International League Against Epilepsy. (more…)

Russian River Water Unexpected Culprit Behind Arctic Freshening

A hemispherewide phenomenon – and not just regional forces – has caused record-breaking amounts of freshwater to accumulate in the Arctic’s Beaufort Sea. (more…)

MU Researcher’s Photoacoustic Device Finds Cancer Cells Before They Become Tumors

*Commercial production will allow scientists, academia opportunity for use in cancer studies*

COLUMBIA, Mo. – Early detection of melanoma, the most aggressive skin cancer, is critical because melanoma will spread rapidly throughout the body. Now, University of Missouri researchers are one step closer to melanoma cancer detection at the cellular level, long before tumors have a chance to form. Commercial production of a device that measures melanoma using photoacoustics, or laser-induced ultrasound, will soon be available to scientists and academia for cancer studies. The commercial device also will be tested in clinical trials to provide the data required to obtain U.S. Food and Drug Administration approval for early diagnosis of metastatic melanoma and other cancers. (more…)

Depleted Gas Reservoirs Can Double as Geologic Carbon Storage Sites

*Berkeley Lab scientists help verify science behind geologic carbon sequestration*

A demonstration project on the southeastern tip of Australia has helped to verify that depleted natural gas reservoirs can be repurposed for geologic carbon sequestration, which is a climate change mitigation strategy that involves pumping CO₂ deep underground for permanent storage.

The project, which includes scientists from Lawrence Berkeley National Laboratory (Berkeley Lab), also demonstrated that depleted gas fields have enough CO₂ storage capacity to make a significant contribution to reducing global emissions. (more…)