Wild Orangutan Observed Using First Aid on a Wound in a Scientific First (gizmodo.com)
Three days after his wound appeared, Rakus did something that the researchers had never seen before. He ingested, chewed, and spit out bits of a nearby plant, then dabbed his wound with the resulting plant mix.
This is pretty remarkable. I'd really like to know if Rakus discovered the healing properties of the plant on his own, or if he learned it from another orangutan. If the latter, did the other teach him, or did he just observe the other healing his wounds?