- Discussion of nootropic stacks: strangewarp reports that combining noopept (≤30 mg) with citicoline (Cognizin) and caffeine produces a pleasant but less analytically productive state, suggesting the combo may suit creative or musical work rather than crunching data.  
- Cost and sourcing of fluorescent DNA dyes: nmz787 notes Molecular Probes’ YOYO-1 costs ~$400 for 200 µL and asks for cheaper bis-intercalator alternatives for single-molecule DNA visualization in microfluidic chips.  
- Rapid glass microfluidics prototyping: nmz787 shares a CO₂-laser two-pass defocused method for glass chip fabrication and a thermal-actuation paper enabling 588 parallel micro-valves, both stored in kanzure’s diyhpl.us archive.  
- Restriction-enzyme landscape: kanzure queries current numbers; ParahSail1in estimates ~200 distinct enzymes are now commercially available.  
- Electronics & open-source CAD frustration: fenn vents about OSHWA’s new “best-practices” page, criticizing its electronics-centric bias, lack of open CAD formats, and opaque vendor pricing that requires quote requests instead of transparent lists.