Short story: Siren of the Void by M. L. Moos, listened to on the 600 Second Saga podcast, from July 2017.
Poem: The Boom and After The Boom by Alice Lyons, listened to on the Poem of the Day podcast, from July 2017. Recommended.
Essay: Silver Plate Showing Shapur II, listened to on the History of the World in 100 Objects, from June 2010. Highly Recommended.