Links this week:

1. David Barash reviews some books taking an evolutionary perspective on reproduction. (HT: Andrea Castillo)
2. A cut from the Econtalk interview with Tyler Cowen. Conscientiousness will become more important in response to increasing opportunities for self-improvement.
3. Behavioural economists did not discover irrationality. And while we’re at it, let’s start calling it behavioural science.
4. How much species diversity was there at the time of Home erectus? I love it that such a simple yet obvious consideration can completely change the way of looking at something. (HT: Daniel Lende)

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