Kumar, N.; Lohrentz, A.; Gahr, M.; Groothuis, T. G. G.: Steroid receptors and their regulation in avian extraembryonic membranes provide a novel substrate for hormone mediated maternal effects. Scientific Reports 9, 11501 (2019)
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.