[ExI] Moral and ethical rats.

[Keith Henson]

Peggy Mason, a neuroscientist at the University of Chicago and lead
author of the new study, says that the research shows that our empathy
and impulse to help others are common across other mammals.

"Helping is our evolutionary inheritance," Mason told LiveScience.
"Our study suggests that we don't have to cognitively decide to help
an individual in distress; rather, we just have to let our animal
selves express themselves."

Keith