Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...
Bio & Medicine
May 24, 2012
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(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of very high-energy ...
Astronomy
Apr 18, 2013
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Big-box retailers Costco, Sam's Club, BJ's Wholesale and Walmart, along with full-service and fast-food restaurants, are key contributors to the nation's obesity epidemic, according to research by a health economist in the ...
Economics & Business
Feb 2, 2015
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(Phys.org) -- Researchers may have discovered a new method to predict solar flares more than a day before they occur, providing advance warning to help protect satellites, power grids and astronauts from potentially dangerous ...
Space Exploration
Aug 13, 2012
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Got a cat that always seems hungry? New University of Guelph research suggests you might want to reduce—not increase—how often you feed them.
Veterinary medicine
Sep 23, 2020
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A recent "deep learning" algorithm—despite having no innate knowledge of solar physics—could provide more accurate predictions of how the sun affects our planet than current models based on scientific understanding.
Space Exploration
Nov 19, 2019
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From methanol to formaldehyde - this reaction is the starting point for the synthesis of many everyday plastics. Using catalysts made of gold particles, formaldehyde could be produced without the environmentally hazardous ...
Materials Science
Apr 30, 2013
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In a new study, researchers showed that quantum light can be used to track enzyme reactions in real time. The work brings together quantum physics and biology in an important step toward the development of quantum sensors ...
Optics & Photonics
Nov 18, 2019
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264
Most stars including the sun generate magnetic activity that drives a fast-moving, ionized wind and also produces X-ray and ultraviolet emission (often referred to as XUV radiation). XUV radiation from a star can be absorbed ...
Astronomy
Oct 4, 2021
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191
Scientists from Boston University's Center for Space Physics (CSP) announced that they have sub-visual evidence of the onset of a new cycle of solar-terrestrial activity. The key results being reported deal with the fact ...
Space Exploration
Aug 13, 2010
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