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journal

Autism in a new light

In the context of the 2024 edition of Brain Awareness Week currently being held in France, CNRS News highlights the advances made in the field of autism. Once considered the result of a rare, incurable disease, autism spectrum disorders are now the subject of intense research efforts that are improving the understanding, diagnosis and treatment of these conditions.

The Natchez and the French, from alliance to tragedy

In 1729, the Natchez tribe of Native Americans suddenly massacred French settlers living near them in the area around New Orleans. The retaliation was fierce, nearly wiping out the entire clan. In a newly-released book, the historian Gilles Havard, initiator of a “reconciliation treaty” proposal, sheds new light on this tragic series of events.

An asteroid reveals its secrets

On 24 September, 2023, material collected three years earlier from the surface of asteroid Bennu was successfully returned to Earth by the OSIRIS-REx mission. Some thirty laboratories around the world, including several CNRS research teams, are now busy analysing the precious samples.

Ancient cities in the Amazon

A series of remarkable linear urban settlements have been uncovered in Ecuador's Upano Valley. The size, organisation, age, longevity and location of these sites has caused considerable surprise among archaeologists in South America. Stéphen Rostain, a CNRS research professor who directed the study, tells CNRS News about the discovery.

9,000 years of hydraulics

The capture and storage of water are an integral part of the development of human societies. The geoarchaeologist Louise Purdue studies the history of hydraulic systems, from simple wells to complex networks of canals and galleries. She tells CNRS News about how they have evolved in response to changing demographic and environmental conditions.