The discovery of a new wild coronavirus that has the same freak mutation as Covid-19 is being hailed by some scientists as proof Sars-CoV-2 was not made in a lab. Researchers in China have found another bat coronavirus that possesses a furin cleavage site — the part that made Covid-19 so good at infecting people. The furin has been one of the focal points of debate about Covid-19's origin, with some experts claiming it could only have been acquired through lab experiments. Since then, studies have shown that wild coronaviruses can acquire the structure naturally — but the newly-discovered virus...