Demartsev, V.; Averly, B.; Johnson-Ulrich, L.; Sridhar, V. H.; Leonardos, L.; Vining, A.; Thomas, M.; Manser, M. B.; Strandburg-Peshkin, A.: Mapping vocal interactions in space and time differentiates signal broadcast versus signal exchange in meerkat groups. Philosophical Transactions B 379 (1905), 20230188 (2024)
Scientists studying a rare population of tool-using chimpanzees have found that aging can have a profound impact on their abilities—but not all chimps decline equally.