In the News
Can Antioxidants Protect Scuba Divers?
A new study, published in the Journal of Physiology, shows that acute oral intake of largely accepted antioxidants Vitamin C and E prior to a scuba dive can reduce alterations in cardiovascular function, particularly acute endothelial dysfunction, that are caused by a single field air dive. Proofreading And Error-correction In Nanomaterials Inspired By Nature
Mimicking nature, a procedure developed by researchers at the University of Illinois at Urbana-Champaign can find and correct defects in self-assembled nanomaterials. The new proofreading and error-removal process is based on catalytic DNA and represents a paradigm shift in nanoscale science and engineering. Vascular Niche Nurtures Brain Tumor Stem Cells
Brain tumors appear to arise from cancer stem cells (CSCs) that live within microscopic protective "niches"formed by blood vessels in the brain; and disrupting these niches is a promising strategy for eliminating the tumors and preventing them from re-growing, according to results of a study by investigators at St. Jude Children's Research Hospital. CSCs are cells that continually multiply, acting as the source of tumors. Major Boost Needed In Federal Support For Coal R&D, Report Says
Because coal will continue to provide a substantial portion of US energy for at least the next several decades, a major increase in federal support for research and development is needed to ensure that this natural resource is extracted efficiently, safely, and in an environmentally responsible manner, says a new congressionally mandated report from the National Research Council. Hurricane Katrina
Information about emergency medical shelters, volunteer opportunities for health care professionals, and other services provided by the U.S. Department of Health and Human Services (HHS) in the aftermath of Hurricane Katrina. Also find links to tips about hurricane preparedness. Crafts: Invitations &Gift Wrapping
Dozens of craft project plans for creative gift-wrapping, invitations, and related items. Features instructions for making decorative gift bags, fabric gift-wrap, gift boxes, and other alternatives to store-bought wrapping paper. Also include ideas for hard-to-wrap gifts. From DIY, the "do it yourself"Web and television network. Understanding The Voice Mechanisms Of Sopranos
"The analysis of aerodynamic parameters enables an understanding of the physiological bases of the voice mechanisms in classical and lyrical soprano singers". This is the conclusion of the PhD thesis undertaken by Dr. María Uzcanga whose research work was carried out in the Voice Laboratory at the Navarre University Hospital. PET Scan Distinguishes Alzheimer's From Other Dementia
A PET scan that measures uptake of sugar in the brain significantly improves the accuracy of diagnosing a type of dementia often mistaken for Alzheimer's disease, a new study has found. The scan, FDG-PET, helped six doctors from three national Alzheimer's disease centers correctly diagnose frontotemporal dementia and Alzheimer's in almost 90 percent of cases. Food Additive Inhibits Longevity Enzyme In Yeast, Increases Cell Toxic
Dihydrocoumarin (DHC), a common additive found in food and cosmetics, has been found to inhibit the activity of sirtuins, enzymes associated with lifespan control in yeast and other organisms, according to a new study led by UC Berkeley researchers. Human white blood cells exposed to DHC also experienced increased cell toxicity and apoptosis. BBC Food: Tea
Brief overview of tea drinking in the United Kingdom, covering history, traditions, and instructions for preparing tea. Includes recipes for afternoon tea, such as sandwiches, biscuits, and fruit tarts. From the British Broadcasting Corporation (BBC).
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