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A new mathematical model  could significantly improve the automatic recognition and processing of spoken language, meaning algorithms which imitate brain mechanisms could help machines to perceive the world around them.

Many people will have personal experience at how difficult it is for computers to deal with spoken language - people who "communicate" with automated telephone systems need a great deal of patience because if they speak just a little too quickly or slowly, or pronunciation isn't clear, the system often fails to work properly.
Members of sexual minorities are almost twice as likely as heterosexuals to seek help for mental health issues or substance abuse treatment.  48.5% of lesbian/gay/bisexual individuals reported receiving treatment in the past year as compared to 22.5% of heterosexuals. In addition, gender was shown to play a large role; lesbians and bisexual women were most likely to receive treatment and heterosexual men were the least likely, according to the results in BMC Psychiatry.

Susan Cochran worked with a team of researchers from the University of California, Los Angeles using data they collected from 2074 people first interviewed in the California Health Interview Survey.
Cancer impacts millions of lives for the worse every year. Despite this difficult reality, it appears that we are becoming increasing successful in our efforts to stem the tide of patients who fall victim as time goes on.

According to a recently published report in the journal Cancer Research, cancer mortality rates have been steadily dropping over the last three decades.

“Our efforts against cancer, including prevention, early detection and better treatment, have resulted in profound gains, but thesegains are often unappreciated by the public due to the way the data are usually reported," said Eric Kort, M.D., one of the study’s authors and former research scientist at Van Andel Research Institute (VARI) in Grand Rapids, Mich.
Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties of both fuel sources at once, on the fly, by blending the fuels within the combustion chamber?

Such an engine just might be possible thanks to the University of Wisconsin-Madison engine research group headed by Rolf Reitz. The research team is developing a diesel engine that produces significantly lower pollutant emissions than conventional engines, with an average of 20 percent greater fuel efficiency as well. 

Researchers who want to include surgeries in studies have to make first contact through non-medical administration staff who act as roadblocks, says a group of researchers whose planned leg ulceration study was hamstrung by a physician recruitment rate of 2% and who have published the reasons why so many surgeons did not participate.

The qualitative information, featured in the open access journal BMC Medical Research Methodology, may be of use to those designing trials of their own.  Given the current health care debate in America, another layer of bureaucracy and the impact on research studies is one facet of the discussion that has been least considered. 
Early modern humans living on the southern Africa coast employed pyrotechnology, the controlled use of fire, 72,000 years ago,  to increase the quality and efficiency of their stone tool manufacturing process, according to a report in Science.

The international team of researchers deduces that "this technology required a novel association between fire, its heat, and a structural change in stone with consequent flaking benefits." Further, they say their findings ignite the notion of complex cognition in early man.

If their findings hold up, it could mean humans' ability to solve complex problems may have occurred at the same time their modern genetic lineage appeared, rather than developing later as has been widely speculated.