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ScienceDaily: Earth & Climate News |
| New study sheds light on molecular motion Posted: 11 Oct 2021 08:08 AM PDT New research has shown how a synthetic self-made fibers can guide molecular movement that can be fueled by light over long distances, a discovery that could pave the way for new ways to use light as a source of sustainable energy. |
| Winter-swimming Scandinavian men can teach us how the body adapts to extreme heat and cold Posted: 11 Oct 2021 08:08 AM PDT The Scandinavian winter swimming culture combines brief dips in cold water with hot sauna sessions -- and now, a study of young men who participate regularly in these polar plunges finds that winter swimming may allow the body to adapt to extreme temperatures. The findings suggest that routinely alternating swims or dips in chilly water with sauna sessions might affect how brown fat, also known as brown adipose tissue (BAT), burns energy and produces heat. |
| A new proposed scheme towards seamless detection of cutoff lows and preexisting troughs Posted: 11 Oct 2021 06:13 AM PDT A new automated numerical scheme is proposed for upper tropospheric cyclones (cutoff lows) and their earlier development stage as troughs (preexisting troughs). The proposed scheme has the capacity of early stage detection and can extract locations with transitions that are as smooth as possible and estimate their intensities, sizes, and even the local background flows behind them in a consistent and integrated manner using non-preprocessed (snapshot) basic weather data consisting of geopotential height fields. |
| Resurrecting quasicrystals: Findings make an exotic material commercially viable Posted: 11 Oct 2021 06:13 AM PDT A class of materials that once looked as if it might revolutionize everything from solar cells to frying pans -- but fell out of favor in the early 2000s -- could be poised for commercial resurrection, new findings suggest. |
| Posted: 09 Oct 2021 06:31 AM PDT New analysis of ancient writings suggests that sailors from the Italian hometown of Christopher Columbus knew of America 150 years before its renowned 'discovery'. Transcribing and detailing a, circa, 1345 document by a Milanese friar, Galvaneus Flamma, a Medieval Latin literature expert has made an 'astonishing' discovery of an 'exceptional' passage referring to an area we know today as North America. |
| Using indoor air sampling surveillance to sniff out COVID-19 Posted: 08 Oct 2021 07:57 AM PDT A team of scientists and doctors has developed a capability to detect airborne SARS-CoV-2 RNA -- the nucleic acid coding for the virus that causes COVID-19 -- indoors through air sampling. When trialed in two inpatient wards of a major Singaporean hospital caring for active COVID-19 patients the air surveillance approach produced a higher detection rate of environmental SARS-CoV-2 RNA (72%) compared to surface swab samples (9.6 percent) collected in the same area. |
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