This story appears in the February 2021 issue of National Geographic magazine. In Lexington, Virginia, a three-hour drive southwest of National Geographic headquarters in Washington, D.C., the ground ...

Objectives To compare hospitalisation rates, intensive care unit (ICU) admissions and mortality for patients with COVID-19 who were consistently inactive, doing some activity or consistently meeting ...

27 Department ofEpidemiology and Preventive Medicine, University of Regensburg, Germany 28 Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia Faculty of ...

Some of the most sensitive methods of measuring magnetic fields use interactions of resonant light with atomic vapour. Recent developments in this vibrant field have led to improvements in sensitivity ...

Abstract: While existing security protocols were designed with a focus on the core network, the enhancement of the security of the B5G access network becomes of critical importance. Despite the ...

Abstract: Lecturers, as the guidance of the classroom, play a significant role in the teaching process. However, the lecturers’ sense of space immersion has been ignored in current virtual teaching ...

RapidRAW is a modern, high-performance alternative to Adobe Lightroom®. It delivers a simple, beautiful editing experience in a lightweight package (under 20MB) for Windows, macOS, and Linux. I ...

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Barren-ground caribou (Rangifer tarandus granti) populations range in parts of Alaska, USA, and the Yukon Territory, Canada, and are culturally and nutritionally important to northern Indigenous ...

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