For those etymologically inclined, it’s worth noting that a miscellany of words like mother, matter, madrigal and matrical (the adjectival form of matrix) all spring from the same maternal root: *mater.

One big difference between Newtonian mechanics and the special theory of relativity (STR) involves the relativity of space and time.

La gran soledad  – vast solitude – is a pervasive theme in La luz dificil by the Colombian writer Tomás González. In the novel, David, an elderly painter rapidly descending into blindness, reflects on the death of his son some twenty years in the past. The narration shifts periodically across the decades in a way that disrupts the successive arrow of time and demonstrates that past memory and present experience continuously permeate each other. In his grief, David frames the