Perhaps, in that gaseous environment, they could never have developed real intelligence.

Can you think of any way they could have developed intelligence?

What made a creature develop intelligence was a deep question.

If they're going to develop intelligence, this is where it starts.

Still, he and several other scholars said there was value in government efforts to develop intelligence through Chinese students.

Already they had developed startling intelligence, and were able to understand the scheme of their Masters.

Is there any evolutionary reason for them to have developed intelligence?

Carniferns are able to develop intelligence just as animals can.

That is why we have, as a species, developed such acute intelligence.

Before scientists can develop artificial intelligence, they must understand the human variety more fully.