Manufacturing errors, undetected by inexpert consumers, may be more dangerous than other threats from 3D-printed guns.
In competing with Canada's black markets, legal cannabis has potential strengths and weaknesses. Most flow directly from governments' policy choices.
Quality assurance programmes tend to ignore context - which means important elements of teaching and learning are overlooked and universities miss out on a real chance to improve their practices.
Why are there problems with US academic accreditation, and what policies are needed to improve and assure academic quality?