-But this particular dick-measuring contest takes place in the context of a human civilization; it doesn't tell us very much about "intelligence" as a natural phenomenon—the capacity of an agent to achieve goals across a variety of environments. Maybe some humans read better than others, but from the standpoint of eternity, reading itself is a _recent_ cultural practice [(invented only 3500 years ago)](https://en.wikipedia.org/wiki/Literacy#Prehistoric_and_ancient_literacy) that piggybacks off of natural language capabilities that _all_ developmentally normal humans share. Cats and crows and octopuses _do_ have "intelligence"—various cognitive abilities that let them integrate sensory information into a model of their environment, allocate attention and make decisions to seek prey or avoid predators, _&c._, but you can't give them a [Stanford–Binet IQ test](https://en.wikipedia.org/wiki/Stanford%E2%80%93Binet_Intelligence_Scales), which was designed around the _specific_ set of abilties that humans have in common. But, in principle, humans aren't special.
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-And yet—it seems like humans _are_ special, in some ways. Of all the creatures on [the tree of life](https://en.wikipedia.org/wiki/Tree_of_life_(biology)), our lineage "took over the world" in the sense that if humans want a resource that cats or crows or octopuses are using, the nonhuman side of the ensuing conflict is predictably going to lose. This is not because humans are stronger or have sharper teeth than other creatures, but because of something about our "intelligence" in the natural-phenomenon (not the IQ-test variation) sense. It's not even necessarily about _individual_ human intelligence being a formidable force: given no tools and no friends, and confronted by a hungry lion at ten paces, it doesn't seem easy to survive just by thinking of some incredibly clever plan.
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+But this particular dick-measuring contest takes place in the context of a human civilization; it doesn't tell us very much about "intelligence" as a natural phenomenon—the capacity of an agent to achieve goals across a variety of environments. Maybe some humans read better than others, but from the standpoint of eternity, reading itself is a _recent_ cultural practice [(invented only 3500 years ago)](https://en.wikipedia.org/wiki/Literacy#Prehistoric_and_ancient_literacy) that piggybacks off of natural language capabilities that _all_ developmentally normal humans share. Cats and crows and octopuses _do_ have "intelligence"—various cognitive abilities that let them integrate sensory information into a model of their environment, allocate attention, execute motor plans to seek prey or avoid predators, _&c._, but you can't give them a [Stanford–Binet IQ test](https://en.wikipedia.org/wiki/Stanford%E2%80%93Binet_Intelligence_Scales), which was designed around the _specific_ set of abilties that humans have in common. But, in principle, humans aren't special.