From attraction to action, sexual behavior takes many forms. As pioneering sex researcher Alfred Kinsey put it, the only universal in human sexuality is variability itself. Human interest in sex ...

Transactional sex was once driven by poverty, says film-maker Nyasha Kadandara. But now, increasingly, it's driven by vanity. (Warning: Contains adult themes and graphic images) Eva, a 19-year-old ...

No matter how much "Karen" squeezed her vagina, she just couldn't get the tightness she once experienced during sex. The lackluster sex, Karen says, contributed to the end of her marriage.

Does sex spark relationships, or do relationships lead to sex? Created with Sketch. Sexual desire is one of the most powerful forces bringing people together, and research finds that in fact ...

WHEN YOU'RE HAVING sex outside the bedroom, you need to get creative. Tried and true positions like missionary and doggy aren't as comfortable when you don't have a bed. So, you might need to add ...

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Fluoroscopy is a method that provides real-time X-ray imaging. This is especially useful for guiding a variety of diagnostic and interventional procedures. The ability of fluoroscopy to display motion ...

Especially when those parts include vacuum tubes, and doubly so when you make the vacuum tubes from scratch too. Now, we get it — some readers are going to find it hard to invest an hour in ...

In recent years, minimally invasive medical interventions performed under fluoroscopy and other types of imaging guidance have been extensively replacing the open surgery for many medical ...

Metal tube (tubing) is made of metallic elements or alloys and is designed for specific industrial applications. Compared to other types of tubing, metal tube is stronger and most robust, making it ...