Elon Musk’s aerospace company is to send four astronauts into low-Earth orbit on a Crew Dragon capsule and Falcon 9 rocket on Sunday - the first commercial human spaceflight system in history. Plus, a ‘factory in a box’ could produce 600 doses of RNA vaccines a minute, black and Asian ethnicities are up to twice as likely to be infected with Covid-19 and, a town in Japan deploys robot monster wolves to protect against hungry bears.

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