- Polycaprolactone (PCL) sourcing: participants discussed how to verify the provenance and safety of PCL bought from small Polish resellers; emphasis on obtaining original datasheets to confirm absence of plasticizers for biocompatibility in DIY dental retainers and in-ear molds.

- Urolithin A was highlighted as a newly popular senolytic compound that stimulates mitochondrial autophagy; consensus that it is still “too early to eat” despite a surge of recent papers.

- kanzure shared a BitcoinTalk post on Fully Homomorphic Encryption (FHE) and the qpdf library; fltrz requested a curated reading roadmap to understand modern FHE schemes without wading through abandoned “dead-end” papers.

- DOE funding news: Foresight Institute announced a new U.S. Department of Energy funding opportunity; docl noted that the total for atomically precise manufacturing (APM) is in the millions, with UT Dallas receiving a $2.4 M grant for spiroligomer-based APM research led by drmeister.

- Discussion of inviting Adam Marblestone to the channel because of his relevance to the APM and neural-interface topics being discussed.