Add Yahoo as a preferred source to see more of our stories on Google. Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own ...

One in 20 people will need some kind of tissue transplant in their lifetime, and increasingly surgeons are turning to animals for help. This is no ordinary lab mouse. Ideally, it would be ...

It wasn't looking good for Major. The terrier had been badly attacked by another dog, and his back leg was severely injured. To make matters worse, a record-breaking snowstorm had made it impossible ...

In an astonishing parallel to how human language evolves, communities in Mozambique use different ‘dialects’ to coordinate ...

We often assume that memory belongs mainly to humans. That remembering faces, feelings, moments and bonds over years is a ...