"Some investigators now say that gossip should be central to any study of group interaction."
ODDS AND ENDS:
* Investigating the modern generation gap.
* Fetal tissue to heal burns?
* Lloyd Garver: "Because of their unusual reproductive systems, dogs are considered to be the most difficult animal to clone. Apparently, cats are a snap."
* A new look in the center of the Milky Way.
The challenge of reviving football at Gallaudet.
* Comics enter a new frontier.
* Analyzing the fall season.
* Fametracker.com presents 25 new reasons The Island bombed.
BBC's In Pictures: a year in Russia.