New research on the settlement of Magdalenian culture in Polish lands has made it possible to discover new sites. These sites come mainly from two regions: Sandomierska Upland, at confluence rivers Vistula and San, south-eastern Poland. In latter region, are associated with valley San its tributary, Wisłok. The regions linked by a network raw material links also their distribution along Vistula...

Readers of the MAPS newsletter may have come across recent articles in the media claiming that new evidence shows that MDMA may cause permanent and potentially harmful brain changes even in typical recreational doses. As in most other news reports involving research about illegal drugs, the stories oversimplified the scientific findings, took data out of context, exaggerated the dangers, and ig...

Activation of the fi brinolytic system is an integral part of vascular haemostatic mechanisms to maintain vascular patency. The basis of fi brinolysis is the conversion of the inactive substrate plasminogen to plasmin, an enzyme that cleaves fi brin but also has pleiotropic eff ects. Multiple mechanisms are responsible for generating plasmin, including endothelial activation and release of tiss...