- The channel briefly discussed “microchimerism,” the persistence of fetal cells in maternal tissue, framed as a potentially unsettling form of biological integration.  
- A functional Android app for controlling RepRap 3-D printers over Bluetooth was shared: Thingiverse page (thing:13506) and GitHub repository (pipakin/Android-Bluetooth-Reprap).  
- Gregory Chaitin’s homepage (cs.umaine.edu/~chaitin/) was noted for his enthusiasm about 3-D printing and its implications for mathematics and computation.  
- A command-line tool named getxbook (njw.me.uk/software/getxbook/) was linked as a utility for downloading and organizing e-books.