Enhanced or unenhanced? You be the judge... (from the episode Space Seed)McCoy: The Eugenics Wars of the 1990s.Spock: Your attempt to improve the race by selective breeding.McCoy: Oh no not our attempt, Mr. Spock. A group of ambitious scientists.Soon to be...

At its simplest, fertility medicine is about helping couples have children. But, as the old phrase “test-tube baby” suggests, the field is full of possibilities for sliding into ethical gray zones. This week brings a few reminders of that fact.A...