Last week saw Sorbonne University and the University of Sydney hold a joint virtual workshop on Quantum AI. Here, a scientist from each institution reflects on the challenges and exciting possibilities for its future use in the real world.

What makes ships mysteriously slow down or even stop as they travel, even though their engines are working properly? This was first observed in 1893 and was described experimentally in 1904 without all the secrets of this "dead water" being understood.

The prestigious Simons Foundation of New York has announced funding for an international project to revisit the fundamental problems of fluid turbulence using statistical mechanics. The international consortium involves researchers from several French laboratories, including Freddy Bouchet of  Laboratoire de Physique at ENS de Lyon, Laurette Tuckerman of  ESPCI and Yves Pomeau of  École Polytechnique.

Seasonal fluctuations drive the dynamics of many infectious diseases. For instance, the flu spreads more readily in winter.

Usain Bolt's 200m record has not been beaten for ten years and Florence Griffith Joyner's for more than thirty years.

The Simons Foundation announced on June 4, 2019 the establishment of the Simons Collaboration on Wave Turbulence, directed by Jalal Shatah from NYU assisted by Laure Saint-Raymond from ENS de Lyon and Nicolas Mordant from UGA.