social evolution, evolution

Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.

Researchers studying macaques in Morocco find that socialization improves the monkeys’ odds of surviving the winter. 

Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.

Scientists describe the genetic changes associated with solitary-to-social transitions throughout bee evolution.

Many social factors contributed to the evolution of male infanticide in mammal societies.