April 22, 1955 · 71 years old

In a very old textile mill with a serious rat infestation, deadly accidents start happening, but the corrupt foreman continues to put his workers in danger, until they discover a horrifying secret deep in the basement.

The title refers to the U.S. Army's former "MOS" (job code) for a combat cameraman. The story follows a unit of American G.I.s in Vietnam, all with different backgrounds and motives for being there, through the lens of his camera.

A couple struggling to conceive visit a miracle doctor as a last hope for having a child. The wife gets pregnant, but after the initial joy comes horror, as she slowly discovers the nightmarish truth behind the doctor's success.

On a planet with perpetual daylight, nightfall's arrival brings destruction. A dramatic depiction of Asimov's award-winning story, exploring the clash between science and superstition as darkness looms.