US House of Representatives passes police reform bill named after George Floyd

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The US House of Representatives has passed a police reform bill named after George Floyd, whose killing sparked an outcry against police racism and brutality; over half a billion doses of the Chinese coronavirus vaccine have gone to almost fifty countries but how good is it in comparison with other vaccines?; and the contents of an unopened letter that was mailed way back in 1697 - but never delivered - has been read by scientists who have created a way to virtually "unfold" sealed letters without actually breaking the seal.