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sph.umd.edu on Hacker News

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Screenshot of sph.umd.edu: Study shows N95 masks near-perfect at blocking escape of airborne Covid-19

Study shows N95 masks near-perfect at blocking escape of airborne Covid-19 (sph.umd.edu)

132 points by robtherobber 2 years ago | 63 comments

Screenshot of sph.umd.edu: UMD Study Finds Brain Connectivity, Memory Improves in Adults After Walking

UMD Study Finds Brain Connectivity, Memory Improves in Adults After Walking (sph.umd.edu)

68 points by borissk 3 years ago | 17 comments