Humans
News review 2008: Gay people may be born that way
Are gay people hard-wired to prefer the same sex? Rooting around in the brain is an obvious way to tackle this provocative question, but it has been fraught with difficulty.
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Are gay people hard-wired to prefer the same sex? Rooting around in the brain is an obvious way to tackle this provocative question, but it has been fraught with difficulty.
Camera trickery convinces volunteers that they have swapped bodies with someone else or a mannequin