What makes human minds unique?

A Replicated Typo does a nice summary of recent reasearch in this area. Kudos on the bibliography, too. As mentioned in the article, not all of these faculties are actually going to prove to be unique to humans, but it's still an interesting list:

1. "We-perspective"
2. Symbolic, representational reasoning
3. Theory of mind
4. Shared perceptual and mental worlds
5. Mental time travel
6. Mental building blocks and the ability to interface these together

More: Part 1 of the article.