Düring, D. N.; Dittrich, F.; Diales da Rocha, M.; Tachibana, R. O.; Mori, C.; Okanoya, K.; Boehringer, R.; Ehret, B.; Grewe, B. F.; Gerber, S.et al.; Ma, S.; Rauch, M.; Paterna, J.-C.; Kasper, R.; Gahr, M.; Hahnloser, R. H. R.: Fast retrograde access to projection neuron circuits underlying vocal learning in songbirds. Cell Reports 33 (6), 108364 (2020)
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.