Dogs know that smile on your face

Dogs can tell the difference between happy and angry human faces, according to a new study in the Cell Press journal Current Biology on February 12. The discovery represents the first solid evidence that an animal other than ...

Hong Kong leader swarmed by 'angry' emojis on Facebook

Hong Kong's beleaguered leader is nearly 100 times more unpopular than US presidential hopeful Donald Trump, according to Facebook's new "angry-face" button that allows netizens to voice their displeasure on the social network.