Who doesn't love cats? We share our living spaces with them almost anywhere. Now, it is even more clear that we were together for a really long time.

A common idea on cats' characterization is how reckless and individually idiosyncratic they happen to be and that hasn't changed since they've started to live a domestic life. Well, it turns out that we've been calling them "friends" since Late Neolithic period, the study published by PNAS, National Academy of Sciencesshows.