Despite 25 years of research, development of an “electronic nose” even approaching the capabilities of the human sniffer remains a dream, chemists in Germany conclude in an overview on the topic. Their review of R&D on digital noses is in the current issue of ACS’ monthly journal Chemical Reviews.
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The heady odor of yeast paste partially counteracts the life-lengthening effects of nutrient restriction on fruit flies - leading Baylor College of Medicine researchers to believe that the fly's perception that there is still food around may trigger a different metabolic state than one that exists when nutrients are limited.
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Two novel treatments -- a basic compound found in every cell in the body and an extract of green tea -- may prevent brain damage caused from stroke, according to two studies in rats led by a researcher at the San Francisco VA Medical Center.
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