Community responses to an introversion poll inspired by Susan Cain, a comment on Nikolai Begg’s description of a tool to fix one of the most dangerous moments in surgery, and a giddy post about a mid-career sabbatical motivated by Stefan Sagmeister’s talk.

This week’s comments includes replies to Simon Anholt’s introduction of the Good Country Index, a thought on the purity of art (and how we have polluted it with money), and an argument for trusting our own intellectual selves.

This week’s virtual mailbag included a personal take on why we should teach creativity, and the accusation that a TED speaker might just be “philosophically redundant.”

This week’s haul of great comments includes thoughts on Jamila Lyiscott’s spoken word essay, the happy memory of an excellent teacher, and a shared photo of a cockroach carcass, inspired by Ed Yong’s tales of dastardly parasites.

This week’s digital mailbag includes thoughts on the late Rita Pierson’s call to educational arms and a very personal response to Stella Young’s argument that just because she’s in a wheelchair, we really shouldn’t see her as being an inspiration.