the swell builds the pressure to protect paintings and engravings from the submerged cavity

The horse panel is dry for eight to ten months a year, thanks to the injection of air into the cavity under the effect of the waves. When the air pressure decreases, the water level rises and partially covers the panel. LUC VANRELL LUC VANRELL From their first forays into Cosquer cave, divers observed on … Read more

A giant “cavity” surrounded by two nebulae discovered in the Milky Way

This is the first time that scientists have managed to design a three-dimensional map of such a structure, dubbed “Per-Tau Shell”, using advanced computational and imaging techniques. ALYSSA GOODMAN / AFP A sort of giant “cavity” surrounded by two nebulae, the clouds of Perseus and Taurus, which appeared following – at least – a gigantic … Read more