The Vela pulsar is not the only astronomical object exhibiting a helical jet. Evidence for such jets has been observed in other pulsars and in active galactic nuclei. The latter represent supermassive black holes at the centers of galaxies.
The two cultures metaphor -- math and science belonging to one, jazz and writing to the other -- has vanished. Think helices: sciences and humanities, bonded by their affinities, the intertwined blueprint of one culture. Think jazz.