“It shows that he, to some extent, has the cognitive capacities that he needs to treat the wound with some medically active plants,” she said. “But we really don’t know how much he understands.”<p>This could apply to many humans too. Many people don't know why they're doing what they're doing, and don't have any understanding of how what they're doing works.<p>We're really not _that_ much smarter than them.