National Geographic Channel leaves the snickering behind (though
we probably won't) and dives into the science behind arousal,
orgasms, partner preference and sexual dysfunctions with "Sex:
How It Works," a two-hour special premiering Tues. June 18 at
8:00 p.m. The show weaves together real-life case studies, the
latest technology and cutting-edge computer graphics to explore
the topic.   Dr. Linda Papadopoulos, a renowned behavioral
psychologist in the United Kingdom, heads up an investigation
into the science of arousal. “Men tend to be more visual than
women when it comes to what they find enticing, which is partly
to do with how men are socialized,” she says. “It’s interesting
how sexual lures have adapted. For men, it’s become much more
centered around the breasts … I guess the breasts are the new
buttocks.”  Apart from arousal, "Sex: How It Works" looks at the
male and female orgasm. Why is it that three-quarters of men
regularly orgasm during sex, but less than a third of women do?
To learn more, scien