Virus variants likely evolved inside people with weak immune systems.
The version of the coronavirus that surfaced in Britain late last year was shocking for many reasons. It came just as vaccines had offered a glimpse of the end of … Read More
Tag: evolved
From scavenger to household royalty: How dogs evolved from wolves to pampered pets | CBC Radio
Kathryn Lord isn’t quite sure. As she counts them up in her head she chuckles. “I think it was … 42?” It’s not that she’s forgotten the experience. … Read More