David Pilbeam named dean of Harvard College on an interim basis

Social Media Use and Adult Depression

A survey reveals suprising links between social media use and depression in adults.

The Franklin Stove—A Historical Climate Change Adaptation

Historian Joyce E. Chaplin reinterprets an early era of invention, industrialization, and climate challenge

In 2004, a frenzy spread across Harvard Yard in days. Four billion users later, we are only just catching up.