A paper about this in Denver GSA meeting today: http://gsa.confex.com/gsa/2010AM/finalprogram/abstract_181665.htm More (credible) info about the research here: http://www.wired.com/wiredscience/2010/11/huge-dragonflies-oxygen/ And some Jurassic Park style reporting here: http://www.theregister.co.uk/2010/11/01/paleozoic_park/ ____________________________________ Laura K. Säilä, PhD