There is a concept in infectious disease study called R0, (pronounced “R naught,”).  You may have heard it mentioned on the news in reference to the coronavirus, but it long predates that disease.  It is a mathematical term that indicates…

In our home we need to be careful what we say.  Key words like “walk” and “toast” get the dog bouncing off the walls.  (Yes, our dog loves toast.  When the toaster pops, he appears in the kitchen in seconds,…