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In China, a link between happiness and air quality

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  • Posted by: Admin in Environment Articles

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Moods expressed on social media tend to decline when air pollution gets worse, study finds. For many years, China has been struggling to tackle high pollution levels that are crippling its major cities. Indeed, a recent study by researchers at Chinese Hong Kong University has found that air pollution in the country causes an average...

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Enhanced NMR reveals chemical structures in a fraction of the time

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  • Posted by: Admin in Medical & Clinical

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MIT researchers have developed a way to dramatically enhance the sensitivity of nuclear magnetic resonance spectroscopy (NMR), a technique used to study the structure and composition of many kinds of molecules, including proteins linked to Alzheimer’s and other diseases. Using this new method, scientists should be able to analyze in mere minutes structures that would...

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Immunotherapy target identified for pediatric cancers

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  • Posted by: Admin in Medical & Clinical

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When the FDA announced in 2017 that it was approving an immunotherapy treatment for children with certain relapsed blood cancers, doctors and patients were pretty excited. That treatment, tisagenlecleucel (brand name Kymriah), involves engineering the patient's own immune cells to make biological chimeras, called CAR-T cells, that recognize and attack cancer. But on the heels...

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Pain is unpleasant, and now scientists have identified the set of responsible neurons

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  • Posted by: Admin in Medical & Clinical

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If you brush against a cactus, there's a reason you yelp and snatch your hand away. But believe it or not, it's not the physical sensation that's directly responsible for your negative reaction. Scientists have identified a special region of the brain that specifically encodes the unpleasantness of pain, separate from the physical sensation. As...

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Researchers discover the brain cells that make pain unpleasant

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  • Posted by: Admin in Health, Medical & Clinical

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Pain sensation and the emotional experience of pain are not the same, and now, in mice, scientists at Stanford have found the neurons responsible for the latter. If you step on a tack, neurons in your brain will register two things: that there’s a piercing physical sensation in your foot, and that it’s not pleasant....

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Mapping the brain at high resolution

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  • Posted by: Admin in Medical & Clinical

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New 3-D imaging technique can reveal, much more quickly than other methods, how neurons connect throughout the brain. Researchers have developed a new way to image the brain with unprecedented resolution and speed. Using this approach, they can locate individual neurons, trace connections between them, and visualize organelles inside neurons, over large volumes of brain...

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Mechanism helps explain the ear’s exquisite sensitivity

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  • Posted by: Admin in Medical & Clinical

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A critical gel-like structure in the inner ear moves according to a sound’s frequency, researchers find. The human ear, like those of other mammals, is so extraordinarily sensitive that it can detect sound-wave-induced vibrations of the eardrum that move by less than the width of an atom. Now, researchers at MIT have discovered important new...

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Technique identifies electricity-producing bacteria

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  • Posted by: Admin in Medical & Clinical

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Microbes screened with a new microfluidic process might be used in power generation or environmental cleanup. Living in extreme conditions requires creative adaptations. For certain species of bacteria that exist in oxygen-deprived environments, this means finding a way to breathe that doesn’t involve oxygen. These hardy microbes, which can be found deep within mines, at...

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Engineers create an inhalable form of messenger RNA

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  • Posted by: Admin in Medical & Clinical

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Patients with lung disease could find relief by breathing in messenger RNA molecules. Messenger RNA, which can induce cells to produce therapeutic proteins, holds great promise for treating a variety of diseases. The biggest obstacle to this approach so far has been finding safe and efficient ways to deliver mRNA molecules to the target cells....

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DNA design that anyone can do

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  • Posted by: Admin in Medical & Clinical

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Computer program can translate a free-form 2-D drawing into a DNA structure. CLICK VIDEO Researchers at MIT and Arizona State University have designed a computer program that allows users to translate any free-form drawing into a two-dimensional, nanoscale structure made of DNA. Until now, designing such structures has required technical expertise that puts the process...

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