This very same post even made it to the front page like 3 days ago.

Do you have a link for that? This search:

* https://news.ycombinator.com/from?site=science.org

... doesn't show it. And this search, for the word "azides":

* https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...

... doesn't show anything in the last year.

Sorry, it actually came up near the top of the comments of a similar article from the same author

https://news.ycombinator.com/item?id=32566743

I misremembered