Nicholas A. Christakis

Latest Content

On the Freshman Pledge

Last week, Harvard freshmen adopted for the first time a pledge to act with “integrity, respect, and industry, and to sustain a community characterized by inclusiveness and civility.”

Medicine May Change our Genes

Evidence has been mounting for the past decade that we as a species are evolving genetically in real time, under the pressure of discernable social and historical forces.

The Anthroposphere Is Changing

We will create life from inanimate compounds, and we will find life in space. But the life that should more