Calhoun's mouse utopia experiment is looking more and more real by the day. > The "Beautiful Ones": Younger mice withdrew entirely from social interaction, spe

Calhoun's mouse utopia experiment is looking more and more real by the day. > The "Beautiful Ones": Younger mice withdrew entirely from social interaction, spending all day grooming and eating alone without mating or fighting. > Hyper-Aggression and Apathy: Dominant males attacked others randomly, females neglected or killed their young, and reproduction completely flatlined. Remind you of anything?