Mammals were not dominant due to brain size

Dinosaurs dominated the world thanks to their disproportionate size, and when they disappeared, they were replaced by mammals at the height of living. Was it because of their intelligence? This idea, admittedly schematic, has dominated for a long time, but is increasingly being questioned. And so an international team has just shown that the first mammals that established themselves after the fall of the dinosaurs were not necessarily as intelligent as one might think. (to knowMarch 31, 2022).

66 million years ago, the planet experienced one of the worst episodesSpecies Extinction from its history. After a meteorite fell, the non-avian dinosaurs disappeared, as did more than 70% of living things. Prior to this catastrophe, mammals had lived for millions of years in an extremely hostile environment at the mercy of supernatural predators, a very difficult context that favored small animals. “Some mammals still eat dinosaurs, Shadow Ornella Bertrand…