With a heritage dating back to the mid-seventeenth century, the Royal Marines have accrued a rich history of rituals, artefacts and material culture that is consciously deployed in order to define and shape the institution both historically and going forward into an uncertain future. Drawing upon this heritage, Mark Burchell offers a unique method of understanding how the Royal Marines draw upon this material culture in order to help transform ordinary labour power to political agency comp...

Despite their global importance, little is known about the few existing examples of impacts into marine environments and icy targets. They are among the least understood and studied parts of impact crater geology. The icy impacts are also of great importance in understanding the developments of the outer planets and their satellites such as Mars or Europa. Furthermore, the impact mechanisms, crater formation and collapse, melt production and the ejecta distribution are scarcely known for i...