- A Nature article (https://www.nature.com/articles/d41586-018-07798-9) describes a new “replicator” 3-D-printing technique that works like a CT scan in reverse: 2-D images of a 3-D model are projected from many angles into a cylinder of acrylate resin, causing the object to polymerize in one shot rather than layer-by-layer.

- Discussion of heterochronic plasma exchange (young-blood transfusions) centers on a blog post (https://joshmitteldorf.scienceblog.com/2019/02/05/rumors-of-age-reversal-the-plasma-fraction-cure/) reporting unpublished mouse data from Harold Katcher’s company Turritopsis Corp., which claims a plasma-derived “elixir” produced marked age-reversal biomarkers in six rats.

- Participants debate the ethics of Ambrosia and Alkahest selling young-plasma transfusions to wealthy clients, noting that plasma donors are typically healthy, low-income individuals who have long sold plasma without public concern until Silicon Valley began using the product for life-extension.

- Conversation contrasts national-service obligations: Finland’s military training historically focused on anti-tank tactics against Russian armor, while some civilian alternatives allowed motivated conscripts to learn molecular-biology techniques (e.g., DNA sequencing, Drosophila genetics) by leveraging curiosity and asking questions.

- General skepticism is voiced about schooling systems that treat minds as “buckets to be filled” rather than “wildfires to be ignited,” framed as a broader obstacle to cultivating scientific curiosity and open-source bio-innovation.