So, although it is an identical physical experience, people experience intentional pain as more painful than unintentional pain. Ouch becomes super-ouch when we are hurt on purpose.

"At its core, pain is just something that hurts or makes you say ouch," says Karen Davis, a senior scientist at the Krembil Brain Institute in Toronto. "Everything else is the outcome of the pain ...

EDMONTON, Alberta - Who's the big bad wolf afraid of? People. And a new report suggests the increasing human presence in Alberta's Banff National Park has a profound and negative ripple effect on ...