July 1, 2001 It's a Magical Life Most popular In 2004, a frenzy spread across Harvard Yard in days. Four billion users later, we are only just catching up. Why Taxi Drivers Don’t Die of Alzheimer’s Explaining taxi and ambulance drivers’ protection against Alzheimer’s disease. All That’s Unseen charts the Harvard graduate’s uneasy journey from Appalachia to Cambridge and back. Explore More From Current Issue University News Long-discussed reorganization includes layoffs and the end of the Dudley Community. Research But it can’t replace human connection. Harvard Administration Plus, veteran higher education leader Thomas Ehrlich reflects on university curricula for his 70th reunion