
Why scientists are suddenly more interested in the lab-leak theory of Covid's origin
CNN
The United States is closer than ever to beating Covid-19, with half the country vaccinated and more restrictions lifting.
But we're as far as ever from knowing how this virus, which shut down the world, came to be -- which is as frightening as anything, since there's growing suggestions that it didn't just occur naturally, as many experts have long argued.More Related News

A little-known civil rights office in the Department of Education that helps resolve complaints from students across the country about discrimination and accommodating disabilities has been gutted by the Trump administration and is now facing a ballooning backlog, a workforce that’s in flux and an unclear mandate.












