Not just a plant. A paste that he MADE using a plant.

"A Sumatran orangutan in Indonesia has self-medicated using a paste made from plants to heal a large wound on his cheek.

After researchers saw Rakus applying the plant poultice to his face, the wound closed up and healed in a month."

Arms exports to Israel must stop immediately: UN experts GENEVA (23 February 2024) – Any transfer of weapons or ammunition to Israel that would be used in Gaza is likely to violate international humanitarian law and must cease immediately, UN experts* warne...

UN experts: “Any transfer of weapons or ammunition to Israel that would be used in Gaza is likely to violate international humanitarian law and must cease immediately”

www.ohchr.org/en/press-rel...

Gesture, spatial cognition and the evolution of language - PubMed Human communication displays a striking contrast between the diversity of languages and the universality of the principles underlying their use in conversation. Despite the importance of this interact...

Not formal semantics, but this overview article is on spatial cognition and language evolution pubmed.ncbi.nlm.nih.gov/36871589/

And there’s work on proximal/distal demonstratives that might be relevant