I believe I'm right in my belief that in the middle ages there was a superstition that a woman who gave birth to twins must have done so by having intercourse with two different men. "Hogwash!" you may say, or perhaps "Those crazy medieval people, they should've known better, how ignorant!" Well, as it turns out, perhaps not so ignorant as we might think. In what fixed news is calling a "miracle of science," a woman in Dallas has given birth to a pair of twins who have different fathers. Not only that, she did so not by artificial insemination, as the term "miracle of science" might imply, but rather, by having "an affair that resulted in two babies." I kid you not.
Scientists have a fancy name for this: heteropaternal superfecundation. I think in English that translates roughly as "different fathers, super productive" -- I think she should get herself a coat of arms and use that as the motto. Maybe have a picture of some rabbits on there for effect.
Can you tell I'm having a slow day?