I never pictured myself doing anything *remotely* like the F45 Challenge. Like most perfectionists, I can’t stand to be bad at anything new. So when, years ago at my first-ever HIIT class, a mean ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...