Why don’t we have more COVID-19 drugs?

Ben Kothe / BuzzFeed News; Getty Images (3) Even when the vaccines are out, the holy grail of the epidemic – Covid-19 – continues to successfully cure the disease. On Monday, a World Health Organization panel asked scientists to stop researching poster child for drugs that failed to work against …

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Silent Mars rover travels through initial detection and test drives

The Perseverance Mars rover is traveling through its initial checkout and activation, retrieving some 7,000 photos to date, releasing its seven-foot-long robot arm and taking a short test drive after a post-landing software upgrade, engineers said Friday. Robert Hogg, deputy mission manager at NASA’s Jet Propulsion Laboratory in Pasadena, California, …

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