oldest surviving mammalian group

And in that level head sits a mighty brain. Among humans, the neocortex that allows us to reason and remember accounts for 30 percent of the brain; in echidnas, that figure is 50 percent

“They’re one of the most pacifistic mammals,” Dr. Rismiller said. “Nobody bothers them; they don’t bother anybody. There’s a lot we could learn from them.”

Does this suggest a link between neo-cortex functions and peace-loving ways?

full article here.