Dunbar's number makes the Colbert Report
31 August 2011
Robin Dunbar's theory about gossip is making mainstream impact on TV. His work was referenced in the opening sequence of the Big Bang Theory on C4 on 18th August. The limit of 150 friends a person can keep track of appeared on both the Colbert Report (US) [http://www.colbertnation.com/full-episodes/tue-august-9-2011-the-cars, (at about 6 mins 30)] and QI.