[ The Atlanta Journal-Constitution: 4/15/02 ] Researchers find 3,600-mile ant supercolony Millions of nests form network stretching from Italy to Spain The Associated Press WASHINGTON -- A supercolony of ants has been discovered stretching thousands of miles from the Italian Riviera along the coastline to northwest Spain. It's the largest cooperative unit ever recorded, according to Swiss, French and Danish scientists, whose findings appear in Tuesday's issue of Proceedings of the National Academy of Science. The colony consists of billions of Argentine ants living in millions of nests that cooperate with one another. Normally, ants from different nests fight....