Max Planck Institute of Animal Behavior Media & Outreach Overview News iain-couzin-receives-the-2024-fyssen-international-prize Publications of Ruth Sonnweber All genres Journal Article (1) Journal Article (1) 1. Journal Article Behringer , V.; Stevens, J. M. G.; Deschner, T.; Sonnweber, R.; Hohmann, G.: Aging and sex affect soluble alpha klotho levels in bonobos and chimpanzees. Frontiers in Zoology 15, 35 (2018) MPG.PuRe DOI