> Only one couple was able to have sex without Viagra. The authors wrote: "The reason might be that they were the only participants in the real sense: involved in the research right from the beginning because of their scientific curiosity, knowledge of the body, and artistic commitment.
> "And as amateur street acrobats they are trained and used to performing under stress."
The racket is almost deafening, and the scan lasts 20 minutes. It's very cramped; I'm kinda astonished they could get two people into the machine at the same time. I can't imagine having a shag inside one. I guess you'd have to be really horny.
The normal sliding tray you lie on was removed--they had to crawl in but they had the whole ring available. And they did it spoon fashion.