Why is humidity so uncomfortable?

On hot and humid days, your skin might feel sticky and overheated, and the air can feel so heavy that breathing becomes a chore. But what is it about humidity that can make the outdoors feel so stifling?  The answer is that high humidity can make us feel hotter than…

So You’re Vaccinated Against Covid. Now What?

As you surely know, this country’s covid vaccination effort has been plagued by major birth pangs: registration snafus, poor communication, faulty data and a scant supply of vaccine — all exacerbated by inequitable allocation, alleged political favoritism and unseemly jockeying for shots. Still, as of Friday, over 118 million shots…