In March 2020, France was one of the countries that adopted the strictest lockdown measures in an attempt to curb the Covid-19 pandemic. The historian and sociologist Nicolas Mariot looks back at this experiment in mass obedience.
The recent discovery of a binary system containing an extremely rare object, the most massive black hole (apart from SgrA ) ever detected in our Galaxy, calls into question the models for the formation of these bodies.
On our planet, everything is interconnected, from terrestrial and marine ecosystems and biodiversity to ice sheets, rivers and oceans. But a recent report reveals that the dynamics of these different systems is being destabilised by human activities to such an extent that they are reaching points of no return. On the occasion of Earth Day 2024, two of the report’s co-authors ring the alarm bell.
Research on tinnitus, a recent investigative field, is now enabling a clearer understanding of the causes and effects of this symptom that affects nearly eight million people in France.
The American Wild West, and especially Arizona, is not just cactuses, mountains and golden plains. Its dramatic landscapes are also audible. Anne Sourdril, a CNRS anthropologist, and her ecologist colleague Luc Barbaro have recorded the sounds of this ecosystem, so different from that in France.