More info, and link to paper: (Score: 1) by hartree@pipedot.org on 2014-09-22 22:44 (#2SSN) This not only discusses it, but has a link to the actual Phys Rev Letters paper. Jester (the blogger) thinks it may be a more mundane explanation than dark matter, but still an interesting one.http://resonaances.blogspot.com/2014/09/dark-matter-or-pulsars-ams-hints-its.html