42: maximum number of characters allowed in a Netflix caption
50: low-volume decibel level at which mice experienced numbness to pain
58: number of octaves that researcher pitched up black hole oscillations in order to sonify them
________
¹Footnotes
Netflix: [netflixstudios.com](https://partnerhelp.netflixstudios.com/hc/en-us/articles/217350977-English-Timed-Text-Style-Guide). Mice: [science.org](https://www.science.org/content/article/soft-sounds-numb-pain-researchers-may-now-know-why). Sonify: [abc.net.au](https://www.abc.net.au/classic/read-and-watch/music-reads/sonifying-black-holes/13944188)
*Originally published in the July 11, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*