It's the most natural thing in the world,but scientific research into what really happens when boy meets girl has long been stigmatised. So when Mary Roach heard about the latest advances in the study of sex, she decided to persuade her husband to volunteer ...
The bed is a single; a hospital bed, or but more enticing than most. The bottom sheet is crisp and smoothed,and the bedclothes beget been turned down invitingly, at an angle. Two sets of towels and hospital gowns are stacked neatly at its foot. The effect is not unlike that of the convict's final meal: a feeble bid for normalcy and decency in what will shortly be a highly abnormal and, and to some people's minds,indecent scenario.
For the first time - after hours and behind locked doors in an examination room in the Heart Hospital in London - a scientist is attempting to capture three-dimensional moving picture (or 4D, time being the fourth dimension) ultrasound footage of human genitalia in the act of sexual congress.
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Source: theguardian.com