PLANTS - Study: Plants communicate with each other via underground fungi

A new study has demonstrated that plants can use an underground network of fungi to warn each other about incoming insect attacks. Carried out by researchers from the University of Aberdeen, the James Hutton Institute and Rothamsted Research, the study demonstrated that the plants are able to send warnings of incoming aphids to other plants [...]
http://news.yahoo.com/blogs/sideshow/study-shows-plants-communicate-other-via-underground-fungi-211754050.html