- DNA replication machinery has been imaged at atomic-level resolution for the first time, offering unprecedented insight into the molecular basis of life (phys.org article shared by nsh).  
- India’s Chandrayaan-2 lunar mission launched successfully on a GSLV MkIII-M1 rocket, watched live via YouTube stream (link posted by fenn).  
- Commercialization of transcranial alternating-current stimulation (tACS) is accelerating, with consumer devices now marketed as cognitive enhancers (Neuroskeptic blog post shared by superkuh).  
- A lean-startup methodology for book creation was proposed: authors should iteratively test and refine content for specific audiences, paralleling the LeanPub model (kanzure and adlai discussion).  
- The USB Armory, a secure, open-source computer on a USB stick, was highlighted as a compact platform for personal security and embedded projects (kanzure link).  
- PostgreSQL-based job queuing via the PGQ extension was noted as a robust backend for high-throughput, reliable task processing (kanzure link).