• A Nature paper (12:10) was shared showing that blocking CD22 on microglia restores their ability to phagocytose debris in aged mouse brains, suggesting a potential therapeutic route for reversing age-related cognitive decline by re-activating innate immune housekeeping.

• nmz787 highlighted the historical work of Nobel laureate Gabriel Lippmann, whose interference-based colour photography method from the 1890s is still considered a foundational technique in optics and imaging science.

• The diyhpluswiki repository was updated with transcripts of Alex Bosworth’s talks on the Lightning Network: one from the 2019 Boltathon on “Major Limitations” and another from a 2018 Chaincode Labs session on “Building Lightning Applications,” providing open-source documentation of current scalability and usability challenges in Bitcoin’s layer-2 payment protocol.