John Straube, über award-winning Big Head in the building science world has published an overview of the science behind straw bale buildings over at BuildingScience.com.
John shares the Big Head award with Bruce King, editor of the definitive handbook of technical strawbale design, Design of Strawbale Buildings, available from Green Building Press.
Very cool stuff. We just featured a local (Maryland, USA) company that is building straw bale in our neighborhood: http://mdgoesgreen.org/?p=228