We have a yard with tall fescue, and in the last few years it is increasingly being invaded with fine fescue or creeping fescue. It seems to be crowding out the tall fescue and turns the invading grass brown, leaving large, dead areas in the yard.

I think there is something the matter with matter. While matter itself seems to matter, the questions about matter seem to matter more. Is the material world infinite? If not, what is there past it? Do places without matter, matter? Is matter infinitely divisible into smaller pieces of matte…

We live just a few miles apart, but my mom, my sister and I have exchanged daily notes for years, as a way of checking in with each other.

There is a great deal of talk these days about how we might make the world a better place. Scientists are often up front in these conversations because people assume that is the role of science.

I sat in a patch of shade and watched a bunch of bees working my Perovskia atriplicifolia patch. That's the purple flower bush that blooms in late summer. It's commonly called Russian sage. It's been around for a long time, so I don't think it has any part in the Russian collusion scandal. B…

Blame it on a case of hiccups in the normal routine of life: I didn't do Word of the Month again last month.