: Researchers have developed the world’s first index evaluating prison conditions, attesting to the enforcement – or more often the violation – of the fundamental rights of inmates. The results for twelve countries or nations, including France, are available
: On 14 September, 2015, the international LIGO/Virgo collaboration detected the very first gravitational wave signal, a tiny distortion of spacetime predicted by Einstein, in this case produced by the merger of two black holes. The CNRS astrophysicist Marie-Anne Bizouard explains how this discovery has opened up a new window on the