Notes

Why do some neighborhoods get garden squares and graceful streets, while others don’t? The answer isn’t zoning or taste, it’s who owns the land, and how unified that ownership is.

Keeping the grid stable requires overbuilding generating capacity, driving up costs. Batteries fix that.

Pedestrian tunnels are often thought to undermine urban life. The opposite happened in Toronto.

For nearly two centuries, pain relief meant effective but addictive opioids. Scientists have finally made something better.