This is the fourth post in an ongoing series on the topic of biology and sexual orientation. Last month we talked about the evidence for the heritability of sexual orientation. The upshot of that seems to be that it is partially correlated with certain genes, or with inheritance in general (as estimated by twin studies), but that genetics only tell part of the story. There is still plenty of room for contributions from other factors post-conception. However, that doesn't mean that there aren't other biological … [Read more...] about Science in Review — August 2013