Young people in animal attire walking on all fours have gone viral. They are "therians." A social phenomenon born in Argentina and spreading rapidly.

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 ...

While an increasingly small number of people, especially academic researchers, try to argue that nonhuman animals (animals) don’t really make friends, most people, including both researchers and ...