Competent. Totally unmemorable.
Bova is clearly an author who could take an idea and have you a perfectly serviceable, competently crafted short story in a day or two. Unfortunately these come across as if he did exactly that.
I appreciate that a short story must quickly place us in scene, present one idea, and develop it. These all do that. But I'm left with no sense that a craftsman did this; more like a journeyman, a smith making his five-thousandth horseshoe.
That said, there are no weak stories here; nor will the journeyman's 5000th horseshoe be anything short of a perfectly good horseshoe.
Or, to be cruel to a different metaphor, if some stories are exquisitely hand-iced petit fours, these are grandma's toll house cookies. Good cookies, but ...