Benny Green Trio (through Saturday) The pianist Benny Green is an astute pupil of the hardbop tradition, as he reconfirms on his fine new album, “Live in Santa Cruz.”

Pens should be removed and thoroughly cleaned periodically to remove dry ink incrustations, dirt, and any paper shreds that tend to clog penpoints. The cleaning process consists of washing the pen in warm water […]

In the Big Dipper, or Ursa Major, there are two stars which form the side of the dipper farthest from the handle. The line of these two … will strike the Pole Star. … A convenient sort of celestial yardstick is the distance from the first pointer of the Dipper to the Pole Star, which is about 28°.

When he was not studying, he was botanizing or mineralogizing with O'Toole's chaplain.