Seismic investigations from the Qinling-Dabie-Sulu orogenic belt in eastern China suggest that this region was affected by extreme mantle perturbation and crust-mantle interaction during the Mesozoic era. The Qinling-Dabie-Sulu orogenic belt formed through the collision between the North and South China blocks, which produced large-scale destruction of the cratonic lithosphere, accompanied by widespread magmatism and metallogeny.
A new study adds to the growing evidence supporting a theory that strange electronic behaviors -- including high-temperature superconductivity and heavy fermion physics -- arise from quantum fluctuations of strongly correlated electrons.
HIV can lie dormant in infected cells for years, even decades. Scientists think unlocking the secrets of this viral reservoir may make it possible to cure, not just treat, HIV. Researchers have gained new insight on which immune cells likely do, and do not, harbor this latent virus.
NWA 7034, a meteorite found a few years ago in the Moroccan desert, is like no other rock ever found on Earth. It's been shown to be a 4.4 billion-year-old chunk of the Martian crust, and according to a new analysis, rocks just like it may cover vast swaths of Mars.
A team of astronomers has made the most detailed radar images yet of asteroid 2004 BL86. The images, which were taken early in the morning on Jan. 27, 2014, reveal the asteroid's surface features in unprecedented clarity.
Minority stress -- which results from being stigmatized and disadvantaged in society -- affects same-sex couples' stress levels and overall health, research indicates. Authors of a new study state that the health effects of minority stress shared by a couple can be understood as distinct from individual stress, a new framework in the field.
If you can't find the ideal material, then design a new one. By manipulating the ordered arrangement of atoms in layered complex oxide materials, scientists have found a way to control their electronic band gaps, which determines the electrical behavior of the material and how it interacts with light.
Policies in the European Union and elsewhere requiring the use of renewable and low greenhouse gas-emitting energy are driving demand for wood pellets used to generate bioenergy. This demand could provide new markets for US timber exports, increase wood prices, and lead to increases in forestland area.
Craigslist's entry into a market results in a 15.9 percent increase in reported HIV cases, according to research. When mapped at the national level, more than 6,000 HIV cases annually and treatment costs estimated between $62 million and $65.3 million can be linked to the popular website, the authors state.
A strong link between the most aggressive type of breast cancer and a gene that regulates the body's natural cellular recycling process, called autophagy, has been uncovered by researchers.
Every undergraduate computer-science major takes a course on data structures, which describes different ways of organizing data in a computer's memory. Every data structure has its own advantages: Some are good for fast retrieval, some for efficient search, some for quick insertions and deletions, and so on. Scientists have now developed a new way of implementing priority queues that lets them keep pace with the addition of new cores. In simulations, algorithms using their data structure continued to demonstrate performance improvement with the addition of new cores, up to a total of 80 cores.
'Bio-molecular interaction analysis, a cornerstone of biomedical research, is traditionally accomplished using equipment that can cost hundreds of thousands of dollars,' said the senior author of a new study. 'Rather than develop a new instrument, we've created a nanoscale tool made from strands of DNA that can detect and report how molecules behave, enabling biological measurements to be made by almost anyone, using only common and inexpensive laboratory reagents.'
Ethicists question the impact of health information that is available online, specifically hospital advertisements, and argue that while the Internet offers patients valuable data and tools -- including hospital quality ratings and professional treatment guidelines - that may help them when facing decisions about where to seek care or whether to undergo a medical procedure, reliable and unbiased information may be hard to identify among the growing number of medical care advertisements online.
In a finding vital to effective species management, a team of biologists has determined that the lined seahorse (Hippocampus erectus) is more a permanent resident of the western mid-Atlantic Ocean than a vagrant.
The close of the Permian Period around 250 million years ago saw Earth's biggest extinction ever. At this time large volcanic eruptions were occurring in what is now Siberia. The volcanoes pumped out gases that led to acid rain. Falling on the supercontinent Pangaea, the acid rain killed off end-Permian forests. The demise of forests led to soil erosion and the production of organic-rich sediments in shallow marine waters.
More than three-fourths of US neurosurgeons practice some form of defensive medicine--performing additional tests and procedures out of fear of malpractice lawsuits, new research reports.
Two new fluorescent dyes attracted to cancer cells may help neurosurgeons more accurately localize and completely resect brain tumors, suggests a new study. Removing all visible areas of cancer (gross total resection) significantly improves survival after brain cancer surgery.
Older adults may need to double up on the recommended daily allowance of protein to efficiently maintain and build muscle. Current US recommendations for daily dietary protein intake are 0.8 grams/kilogram of body weight (roughly 62 g of protein per day for a 170-pound person).
Mobile devices are everywhere and children are using them more frequently at young ages. The impact these mobile devices are having on the development and behavior of children is still relatively unknown. Researchers review the many types of interactive media available today and raise important questions regarding their use as educational tools, as well as their potential detrimental role in stunting the development of important tools for self-regulation.
Investigators have developed an analysis 'pipeline' that slashes the time it takes to search a person's genome for disease-causing variations from weeks to hours.
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