SINGING no more risky than speaking when it comes to the possibility of spreading the new coronavirus, British scientists said on Thursday, adding that volume is the most important risk factor. Last week, the British government changed its guidance to allow professionals and non-professionals to resume singing rehearsals and performance, bringing the required social distancing into line with usual COVID-19 rules and removing the need for extra mitigations. That decision was informed by a study by scientists based at the University of Bristol, who examined the amount of aerosols and droplets generated by 25 professional singers who did singing, speaking,…