I'm getting the hard-to-quantify but persistent feeling that G+ is getting quieter lately...too much of the actual content has moved elsewhere, maybe, and I'm seeing more of the filler. Wouldn't be surprised if Google pulls the plug soon, like they have on other projects. But for now here's my filler for the last couple of weeks.
Animations of polynomial roots as one coefficient moves on a circle in the complex plane
Iceland 2 Austria 1, a fun thing to experience in Iceland at SWAT
Singular they, still the right way to do gender-neutral third-person pronouns