HumansWhy do we grieve? The surprising origin of the feeling of loss The debilitating pain we sometimes feel at the loss of those we love is an evolutionary mystery. It could all come down to what happens in our childhoods Features
LifeDogs may get worse separation anxiety when left alone with another dog Some dogs will bark and howl when left alone by their owner, but an analysis of video footage shows getting a second dog may make the problem worse ¿ìè¶ÌÊÓÆµ