How to Do It is Slate’s sex advice column. Have a question? Send it to Stoya and Rich here. It’s anonymous! Dear How to Do It, I’m a 46-year-old woman in a newly intimate relationship with a ...

Some people are just genetically predisposed to be able to have sex again more quickly than others. A lot of it comes down to one's refractory period, which can get longer as one ages. Multiple ...

I will never forget Gordon Gallup's invited presentation at the 2007 meeting of the NorthEastern Evolutionary Psychology Society. I had never heard him speak prior to this particular talk, but I'd ...

It's been more than 50 years since scientists discovered that the single-celled organism Tetrahymena thermophila has seven sexes. But in all that time, they've never known how each cell's sex, or ...