Splitting sex
All serious butterfly collectors remember their first gynandromorph: a butterfly with a color and pattern that are distinctly male on one wing and female on the other. Seeing one sparks wonder and curiosity. For the biologist Nipam H. Patel, the sighting offered a possible answer to a question he had been pondering for years: During embryonic and larval development, how do cells know where to stop and where to go? He was sure that the delicate black outlines between male and female regions appearing on one wing — but not the other — identified a key facet of animal development.




9 Sex Positions You Should Only Attempt If You’re Insanely Flexible




Sex Positions For Flexible Women | SELF
What kind of person trades classic cowgirl for a sideways version that involves a full-on split? And what kind of person does a full-on backbend just to give their partner a blowjob? If you love the classic butterfly stretch—and if your partner is strong enough to hold you suspended in mid-air—the Butterfly might be right up your alley. Bonus points if you can go full-split on this one. Make it even more delightful by turning sideways and sliding into a split. All you really need to be able to do for this one is straighten your legs—a feat most of us even I! Of course, the position becomes increasingly impressive the closer you can get your legs to your face.



Sex Positions Intended for Only the Most Flexible Among Us
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Penis splitting, known clinically as penile bisection or genital bifurcation, is a type of body modification. Traditional bisection involves opening the head, or glans , of the penis. It may be split once down the middle or along each side of the shaft. Penis splitting is often used as an umbrella term.

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