re: Astronomers detect regular rhythm of radio waves, with origins unknown

If evolution is the same everywhere, and there’s no reason to think it isn’t, then intelligent life elsewhere in the Universe became the apex life form the same way we did: Eat or be eaten.

We should expect that any aliens who come to earth will likely be more interested in eating us than educating us. After all, that they will have gotten here indicates that they are far more technologically advanced and won’t need anything we have other than our flavor.

We have humans, an intelligent species, that eats other mammals and considers their babies to be delicacies, such as veal and even slink veal which is unborn calves. There’s every reason to think that an advanced species might consider us to be their favorite dish and the occasional human infant and/or fetus might be prepared for special events.