  Evolution with mass segregation and the evolution of the rotation of cores
are both discussed for self-similar core collapse. Evolution with angular
velocity proportional to the square root of the density is predicted. On the
Dynamical Main Sequence of globular clusters the energy emission from binaries
balances the energy expended in expanding the halo.
  Newton's exactly solved N-body problem is then given, along with recent
generalisations, all of which have no violent relaxation, but a new type of
statistical equilibrium is discussed.
  Finally, we set the creation of streams in the Galaxy's halo in the
historical context of their discovery.
