GrrlScientist pulled a near allnighter preparing the 49th issue of Tangled Bank for our edification and enjoyment so go take advantage of her work!
The breadth and number of science and medical articles is almost overwhelming so expect to find yourself planning to set aside some time to fully enjoy the experience.
Yea, there’s an article or two about sex for those so inclined.
You will also be more comfortable swimming in the Amazon River basin knowing that:

…recent investigations “could find no candiru allegedly removed from a human urogenital or rectal orifice preserved in a reputable museum, hospital, or academy for scientific identification”…

I leave it as an exercise for the reader to head over, find and read the post providing this jiucy tidbit.