Bees solve complex "traveling salesman" problem

Also:

http://news.ycombinator.com/item?id=1833774

http://news.ycombinator.com/item?id=1831271

http://news.ycombinator.com/item?id=1830232

http://news.ycombinator.com/item?id=1829211 <- This one has comments

Bit more context here, as well: http://quippd.com/show/4530/Bees_can_effectively_approximate...