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Sexual selection and porn in schools

March 26, 2015

Birders find it easy to distinguish male from female grackles. They have a harder time with great blue herons. But without knowing more heron biology, I wouldn’t swear that the latter had less sexual dimorphism than, say, people. We may just not look with the heron’s eye. Sexual selection can lead to dimorphism, and typically and wrongly is used to explain all such in humans. Reading a paper on sexual selection and genomics, Razib Khan expresses doubt that sexual selection played much role in human evolution.

A Danish professor thinks porn should be included in sex education classes. The Brits would never go for it, but calmly discuss the idea. It’s pretty easy to predict the reaction when social conservatives here in the US catch that news.

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