A rendering of Quayside, a neighborhood designed by Sidewalk Labs, a sister company of Google
Sidewalk Labs

If Google Were Mayor

A sister company of the tech giant wants to help develop—and then collect data on—a waterfront neighborhood in Toronto.

Jacob Riis

How Cities Shape Epidemics

To understand the spread of diseases like Zika and Ebola, it’s helpful to look at trends in urbanization over the past few centuries.