Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Handbook of Covid-19 Prevention and Treatment from Hospital with 0% fatality [pdf]. Parent comment
Better design for an effectual makeshift mask made with household items, in English, with video illustration: https://www.consumer.org.hk/ws_en/news/specials/2020/mask-di...
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Better design for an effectual makeshift mask made with household items, in English, with video illustration: https://www.consumer.org.hk/ws_en/news/specials/2020/mask-di...