Short story: The Sub-Traverse by Andrew Milne, listened to on the 600 Second Saga podcast, from April 2018. Recommended.
Poem: Chant by Tom Sleigh, listened to on the Poem of the Day podcast, from May 2018. Highly Recommended.
Essay: Is the World Getting Better or Worse? by Steven Pinker, listened to on the TEDTalks podcast, from April 2018. Highly Recommended.