> Like wolves, humans in nature eat a lot of very small game inbetween
> large kills.  Although most people don't eat rodents, small reptiles and
> small birds, our bodies may still call out for all the calcium inherent
> in the consumption of small unavoidable bones.  Perhaps some sardines,
> kippers or well cooked fish head (or chicken)soup might provide the
> missing ingredents as well as omega 3 fats (in the cold water fish).

There is a bone in a chicken thigh, that when cooked for a long time, has a
very soft end.  And I always bite into/crush the soft place and suck the
marrow out.  Is this a good thing?