Several studies suggest that a negative mood once in a while can have some benefits. On the other hand, a persistent bad mood could signal a serious health condition like depression or a mood disorder. Here are some ways a little negativity can be good for you. Good news for the people having a […]


  Dogs can tell the difference between happy and angry human faces, according to a new study published in the journal Current Biology. Researchers trained 11 dogs to recognize the difference between images of the same person making happy or angry faces. During training, the dogs were shown only the upper or the lower half […]