Short story: Fathers and Sons by Ernest Hemingway, from Collected Short Stories. Recommended.
Poem: Ars Poetica by Dorothea Lasky, listened to on the Poem of the Day podcast, from October 2017. Recommended.
Essay: Still Can’t Believe They Did That: More Human Guinea Pigs, listened to on the Skeptoid podcast, from October 2017. Recommended.