Genetics reveal how humans island-hopped to settle remote Pacific

Easter Island’s megaliths. Over a 250-year period separate groups of people set out from islands east of Tahiti to settle Easter Island. Photograph: Martin Bernetti/AFP/Getty https://www.theguardian.com/science/2021/sep/22/genetics-reveal-how-humans-island-hopped-to-settle-remote-pacific

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The Hunt for Drugs That Promote Ear Hair Cell Regeneration

Confocal microscopic image of a mouse cochlear organoid displaying hair cells (green) and their ciliary structures (red). Credit: Qing Liu, Nanjing University https://www.technologynetworks.com/drug-discovery/news/treating-hearing-loss-the-hunt-for-drugs-that-promote-hair-cell-regeneration-353641

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Convalescent plasma doesn’t help severely ill COVID-19 patients, Canadian study shows

Blood transfusions from people who recovered from the disease didn’t help patients improve — and in some cases made them sicker, according to a major clinical trial. https://www.ualberta.ca/folio/2021/09/convalescent-plasma-doesnt-help-severely-ill-covid-19-patients-canadian-study-shows.html

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