In global south, urban sanitation crisis harms health, economy

ITHACA, N.Y. — Cities in the «global south» — densely populated urban areas that are part of low-income countries in Asia, Africa and Latin America — should phase out pit latrines, septic tanks and other on-site methods of human waste management. Instead, cities should invest in sewage systems, according to a report released Dec. 18…

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Scientists discover a new mechanism in childhood kidney cancer

As an embryo develops, its cells must learn what to do with the thousands of genes they’ve been equipped with. That’s why each cell comes with a detailed gene-expression manual outlining exactly which genes should be switched on, to what extent, and when. To execute their respective manuals, the cells employ so-called chromatin reader proteins…

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Are herpes virus infections linked to Alzheimer’s disease?

Researchers at Baylor College of Medicine report today in the journal Neuron evidence that refutes the link between increased levels of herpes virus and Alzheimer’s disease. In addition, the researchers provide a new statistical and computational framework for the analysis of large-scale sequencing data. About 50 million people worldwide are affected by Alzheimer’s disease, a…

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The delicate water lily: A rose by another name?

KNOXVILLE, Tenn. — A new study published in Nature reports the 409-megabase genome sequence of the blue-petal water lily (Nymphaea colorata). The conclusion of the 47 coauthors is that although a rose is a rose, most flowering plants may owe their success, including employing floral scent for attracting pollinators, in part to the genetic innovations…

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OU study uses genetics and menthol to examine how the skin senses irritation

NORMAN, OKLA. — A new University of Oklahoma study could have implications on our understanding of how certain sensory signals are transmitted through the body. An OU experiment led by neuroscientist Christian Lemon, Ph.D., Department of Biology, set out to discover how menthol’s irritant sensation is transmitted by the nervous system. Menthol, perhaps best-known as…

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Rick Sumner named Fellow of the American Association for the Advancement of Science

Approximately 200,000 failed hip and knee implants have to be replaced surgically each year. Rush University Medical Center researcher Rick Sumner, PhD, has spent years studying implants and ways to decrease failure by catching it early. In recognition of his distinguished contributions to understanding bone remodeling around orthopedic implants and developing strategies to improve implant…

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