I don't think there is enough heat energy on Uranus to facilitate the kind of brain that facilitates human-level thinking and behaving. Earth has vigorous bloom

I don't think there is enough heat energy on Uranus to facilitate the kind of brain that facilitates human-level thinking and behaving. Earth has vigorous blooms of life around our deepsea volcanic vents, but those life forms are not going to reach any where near our level of evolution. Its environment is too limited.