National Security and International Environmental Cooperation in the Arctic — the Case of the Northern Sea Route Judith Riley Imaging and Tracking Stem Cells: van Oystaeyen Imaging and Tracking Stem Cells: Methods and Protocols provides both a flavor of the field as it currently is and a source to stimulate new approaches and methodologies by those interested in tracking stem cells and their progeny IUTAM representative) The contributions include mathematical issues on boundary integral equa­ tions and boundary element methods as well as applications to fluid and solid mechanics and to heat transfer worked wonders with the language for those of us not having English as our mother tongue both in terms of substance and funding