[aggerdom]

See further the Baader-Meinhof Effect. [1]

[1] https://en.m.wikipedia.org/wiki/Baader%E2%80%93Meinhof_effec...

[perilunar]

I thought that too, initially, but consider: https://hn.algolia.com/?query=heteroscedasticity&sort=byDate...

3 mentions in the same day out of a total of 8 mentions ever on HN (not including the 2 meta-comments). User dcomp noticed it also.

(oops, just bumped those numbers up one)