ScienceDaily for January 20, 2011 reported on black h0les and dark matter.
Massive black holes have been found at the centres of almost all galaxies, where the largest galaxies -- who are also the ones embedded in the largest halos of dark matter -- harbour the most massive black holes. This led to the speculation that there is a direct link between dark matter and black holes, i.e. that exotic physics controls the growth of a black hole.
