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Your WTF Moment Of The Day: MRI footage of a man having sex with a woman. For the medical scanner fetishist amongst you, you'll want to skip to 1:30, but for everyone else, the introduction gives you the context.
I am at a loss for words.
Human sex from the inside out [New Scientist]
Send an email to Graeme McMillan, the author of this post, at graeme@io9.com.
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