A three-day analysis of wearable-sensor data found a repeatable personal turning-direction bias. Turning direction was not convincingly related to falls or physical mobility, but a counterclockwise bias showed an exploratory association with better cognitive performance, echoing a 1992 visuospatial study.
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The 1918 Rosenau experiments famously failed to transmit influenza under the conditions used. That negative result is historically important, but modern human challenge studies show that influenza virus can reproducibly infect people, including by aerosol.