Following his family into medicine Dr. Zaius can trace his roots to …
https://www.theguardian.com/science/article/2024/may/02/orangutan-seen-treating-wound-with-medicinal-herb-in-first-for-wild-animals-max-planck-institute-sumatra
Maybe medicine is the world's oldest profession. Pre-human!
It would be interesting to know whether knowledge of these remedies is taught by one orangutan to another.
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@DavidSalo social learning of an innovative behavior has been observed in chimps. Good question regarding orangutans.