The discussion of transatlantic science collecting practices and scientific exchanges is at the core of this blog. It aims to share new knowledge and discoveries on how historical knowledge is constructed and reproduced in museum collections.The EU-funded project Scientific Collections on the Move : Provincial Museums, Archives, and Collecting Practices (1850–1950) offers a less hierarchical and more entangled history of palaeontological, anthropological, botanical, and applied sciences collections in Europe and Latin America and tackles the issue of museum objects provenance.This blog is destined for scholars, museum professionals, teachers, students, and science amateurs and strives to forge a new vision of museum collections as living networks of knowledge exchange and circulation.