The CNS (Centre National de la Recherche scientifique) is the main public research organization in France under the responsibility of the French Ministry of Education and Research.

CNRS laboratories (or Research Units) are located throughout France, and employ a large body of tenured researchers, engineers, and support staff.

The Centre de Recherche en Archéologie, Archéosciences, Histoire is a Mixt Research Unit (UMR 6566) based in Rennes, whose members are archaeologists, historians, archaometrists and paleoenvironmentalists.

Research in archaeology and archaeosciences undertaken within the UMR 6566 is multi-disciplinary and diachronic. The main topics of research are human societies from the Palaeolithic to the Middle Age, palaeoenvironnement and archaeometry, with studies which relate to:

- Human occupations and land-use, exploitation of the natural resources,

- Impact of the global changes, interactions between human societies and environment at local and regional scales,

- Evolution of the palaeo-landscapes, the palaeo-social ecological systems and the palaeo-biodiversity, cultural answers to the changes.

The major working area is the north-western France. The researchers of UMR 6566 CReAAH are involved also in many scientific exchanges in twenty foreign countries, many in Europe and in Myanmar, Argentina, Chili, Canada, Russia, Armenia, Syria, Egypt, Senegal and Benin.