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And as we talk about in some of the previous science tests too, about what differentiates humans from animals, for a very long time, there used to be this wide, wide gap. And as technology is developing and allows us to test animals in ways we couldn't before and in much more subtle ways, that gap is slowly becoming much more narrow now. And one of the other things that separated us from animals was this tool use. And it's been found now that many animals were able to use tools, make and use tools. Chimpanzees, birds, even some marine animals. So there's something else that narrowed the gap, as well as language. They found other animals have forms of language. And that was something else that separated us from the animal kingdom. And they found other animals, particularly dolphins. Even some bird species have a specific language of their own. more and more, that separates us from the animal kingdom seems to be getting more and more refined and that gap is slowly getting less and less.