Rat pack: rodents feel peer-pressure to be helpful, says study

WASHINGTON - Rats are less likely to assist a fellow rodent in need if other members of their group are being unhelpful, according to a study that sheds new light on the so-called "bystander effect."

Rat pack: rodents feel peer-pressure to be helpful, says study
WASHINGTON - Rats are less likely to assist a fellow rodent in need if other members of their group are being unhelpful, according to a study that sheds new light on the so-called "bystander effect."