Interdisciplinarity as survival skill One of the great strengths of courses that blend letters and labs is their insistence that real problems don’t respect departmental boundaries. Consider a syllabus that mixes epidemiology, supply-chain logistics, ethics, and communication studies. Students learn to read a graph, draft a policy brief, and construct an outreach campaign—all with the same problem set. In 2021, that mattered. The pandemic revealed how a failure in one subsystem cascades across society: a broken logistics node threatens food security; mixed messages amplify vaccine hesitancy; inequitable policy responses deepen existing disparities.