- A curated longevity-industry resource list was shared: “Who’s Who in Gerontology” directory (whoswho.senescence.info) and an Imgur album ranking longevity companies by total funding.  
- Discussion of vitamin-D supplementation practices: 50 000 IU soft-gels taken weekly, 10 000 IU/day considered safe, and a vitamin-D toxicity chart whose Y-axis starts at 10 000 IU.  
- A new cryptographic attack was highlighted: IACR ePrint 2022/995 explains how software-release signatures must be timestamped; otherwise a stolen key today can be used to forge signatures on past versions.  
- The world’s smallest known flying insect, the 150 µm fairyfly wasp Kikiki huna, was noted along with its Wikipedia entry.  
- Evidence was cited that tongue-brushing has no measurable effect on dental plaque formation (PubMed PMID 1058943), and toothpaste itself shows only weak plaque-removal benefits.  
- Chlorhexidine was proposed as a more effective anti-microbial for body odor and Demodex mite control than conventional perfumed deodorants, with links to Reddit anecdotes and Guardian coverage of mite gene-loss research.  
- Market-gap brainstorming: participants wondered why fear-driven products targeting “face worms” (Demodex) or UV-LED armpit lights are not already commercialized, contrasting them with low-tech soap and perfume.