Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

CHICAGO — Thriving in complexity, connecting ideas across fields and fostering collaboration are key qualities for leadership, a speaker at the Women in Medicine Summit said.

Sep. 4, 2025 — Scientists at the University of Bath have developed a simple three-minute brainwave test called Fastball EEG that can detect memory problems years before Alzheimer’s is typically ...