Of course, figuring out whether something is a work of art requires answering some tricky philosophical questions. Are animals even capable of creating art? And how can we tell whether something ...

[Photo: doug/Flickr] Of course, figuring out whether something is a work of art requires answering some tricky philosophical questions. Are animals even capable of creating art? And how can we ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The males gather twigs and place them upright, in two bundles, with a gap in the ...