The six noble gases do not normally dissolve into minerals, leaving earth scientists to wonder how they are subducted back into the Earth. Researchers at Brown have discovered that the lattice structure of minerals such as amphibole provides a way. Better yet, the multiple isotopes of noble gases could help scientists track volatiles like water and carbon. (more…)
In stunning color, new biodiversity research from North Carolina State University maps out priority areas worldwide that hold the key to protecting vulnerable species and focusing conservation efforts.
The research, published online in Proceedings of the National Academy of Sciences, pinpoints the highest global concentrations of mammals, amphibians and birds on a scale that’s 100 times finer than previous assessments. The findings can be used to make the most of available conservation resources, said Dr. Clinton Jenkins, lead author and research scholar at NC State University. (more…)
A new technique for detecting cancer by imaging the consumption of sugar with magnetic resonance imaging (MRI) has been unveiled by UCL scientists. The breakthrough could provide a safer and simpler alternative to standard radioactive techniques and enable radiologists to image tumours in greater detail.
The new technique, called ‘glucose chemical exchange saturation transfer’ (glucoCEST), is based on the fact that tumours consume much more glucose (a type of sugar) than normal, healthy tissues in order to sustain their growth. (more…)
Finds surprising growth patterns in the Florida Keys
ST. PETERSBURG, Fla. — A new more sensitive weight-based approach for monitoring coral growth in the wild has been developed by U.S. Geological Survey researchers leading to more definitive answers about the status of coral reefs.
Corals and other marine organisms build their skeletons and shells through calcification, the biological process of secreting calcium carbonate obtained from ocean water. This new approach to measuring corals can provide finer-scale resolution than traditional linear measurements of coral growth. (more…)
COLUMBIA, Mo. — CEOs need to demonstrate strong leadership and good decision-making skills, but CEOs with over-confidence can involve their companies in riskier ventures and put investors’ funds at risk, according to a new study from the University of Missouri, Georgia Tech University and the University of Texas-Arlington.
“Over-confident CEOs feel they have superior decision-making abilities and are more capable than their peers,” said Stephen Ferris, professor of finance in the MU Trulaske College of Business. “Unfortunately, they tend to make decisions about mergers or acquisitions that can be viewed as risky. For example, CEOs who are over-confident tend to target companies that do not focus on their core line of business. Generally speaking, mergers that diversify companies don’t work.” (more…)
Parents and teachers like to tell children they can be whatever they want to be when they grow up. But are there inaccurate stereotypes in the media that nudge them away from certain careers? (more…)
Prostate cancer is the second-leading cause of cancer death in American men: the American Cancer Society expects the disease will claim nearly 30,000 lives in 2013. The disease mainly affects older men—the median age of diagnosis is 67—and it’s a slow-growing cancer, so most men diagnosed with the disease are likely to die of other causes. (more…)
A study led by a UA ecologist has found that many species evolve too slowly to adapt to the rapid climate change expected in the next 100 years.
Many vertebrate species would have to evolve about 10,000 times faster than they have in the past to adapt to the rapid climate change expected in the next 100 years, a study led by a University of Arizona ecologist has found.
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