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 ...

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 ...

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.

Instead a very different type of electronic component ruled the roost, the vaccum tube. A set of electrodes in an evacuated glass envelope whose electrical properties depended on the modulation of ...

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 ...

Father's Day 2015 is June 21. Here are funny and emotional dad videos. The last one will make the room dusty.

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 ...

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 ...

Sex is an important but sometimes complicated part of romantic relationships. And from not having much of it to ditching condoms when they do, it’s something Gen Z in particular seems to be ...

A qualified and experienced medical physicist will be able to provide a meaningful interpretation of dose. » Should the X-ray tube be positioned closer to the patient or further away from the patient ...

Test tubes are handheld tubes used for mixing or heating chemicals in a laboratory. They are open at the top and rounded at the bottom, and usually made of glass or plastic materials. Some are ...