John Hawks notes that among primates humans are r-selected [look it up, that way you will remember it] and speculates on the reasons. Social interaction may be the key. [Read it here].
This is interesting because it is precisely the opposite of what I was taught years ago. Of course it is all contextual. Compared to rabbits we are Ks.
The larger point it that scientific opinion, even on something as straightforward as human procreation, changes significantly over time as new evidence and new perspectives come to the fore. This raises real questions as to how reliable scientific opinion can be as a base upon which to construct government policy.
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