Quarrels used to be settled with dignity and honor. By David Wesley Williams I prefer autumn for a duel. A nip in the air and the thick butterscotch warmth of bourbon. A whiff of wood smoke.

As a result, they detected 19 strongly-lensed, dual and projected quasars. The finding was reported in a paper published Jan. 15 on the arXiv pre-print server. Quasars, or quasi-stellar objects ...