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POPSScientists adapt economics theory to trace brain's information flow Scientists believed the frontoparietal cortex was influencing the visual cortex, but the brain scanning approach they were using, functional magnetic resonance imaging (fMRI), can only complete scans about once every two seconds, which was much too slow to catch that influence in action. When researchers applied Granger causality, though, they were able to show conclusively that as volunteers waited for the stimulus to appear, the frontoparietal cortex was influencing the visual cortex, not the reverse.
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POPSMedical students fail drug tests They were generally unaware of street names of common recreational drugs, a knowledge that can be critical in diagnosis, and the prescribing an antidote or remedy. Very often the information given is from people who are delirious, feel threatened, concerned about being responsible for an overdose, or hysterical because of the fear someone they know well may not survive. They can find it hard to trust a doctor without a clue.
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POPSIf you suddenly fall ill, do your loved ones know your wishes? The Five Wishes document helps you express how you want to be treated if you are seriously ill and unable to speak for yourself. It is unique among all other living will and health agent forms because it looks to all of a person's needs: medical, personal, emotional and spiritual. Five Wishes also encourages discussing your wishes with your family and physician. Five Wishes lets your family and doctors know: 1. Which person you want to make health care decisions for you when you can't make them. 2. The kind of medical treatment you want or don't want. 3. How comfortable you want to be. 4. How you want people to treat you. 5. What you want your loved ones to know. … The document speaks to people in their own language, not in "doctor speak" or "lawyer talk." It can be used in the living room instead of the emergency room. And it helps families talk with their physician about a difficult subject.
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POPSDecoding the sense of smell In future work, the team plans to work with researchers worldwide, including MIT's Media Lab and Department of Biology, to develop a portable microfluidic device that can identify an array of different odors. Such a device could be used in medicine for the early diagnosis of certain diseases that produce distinctive odors, such as diabetes and lung, bladder and skin cancers, Zhang said. There are also a wide range of industrial applications for such a smell-based biosensing device, he said. One application i can think of is developing an antidote for smelly things, people etc.. :)
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POPSingrish ten points if you can guess what this text is advertising :)
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POPSNew way to make stem cells is safe Hochedlinger's team used a much more harmless virus, called an adenovirus, to carry into the cells the four transformative genes, called Oct4, Sox2, Klf4 and c-Myc. They used mouse skin cells and also liver cells from fetal mice and got both types to look and act like iPS cells As the cells divide, they dilute the virus until it disappears, he said. But the genetic changes remain. To test the cells they made chimeras --- a blend of two separate animals. They injected their newly made cells into mouse embryos and when the pups were born, they carried visible evidence that the cells had indeed transformed them And so far, these chimeric mice have not developed any tumors If it works, some day doctors may be able to make tailor-made transplants to treat diseases in people by removing a few cells, transforming them in the lab and transplanting the new tissue or organs back in
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