If you never knew, or thought you knew, the reason why there are no skyscrapers in the middle of the Big Apple, Matt Chaban reports on the true cause, debunking a popular myth.
Popular lore had it that the bedrock sitting just below the surface of much of the island, and providing the ideal foundation for tall buildings, falls away in its "gooey middle": thus no skyscrapers.
Not so says Chaban, reporting on the results of a recent study that appeared in The Journal of Economic History, debunking the "Manhattan bedrock myth." "Using 173 random core samples from the Battery to Central Park South, Mr. [Jason] Barr, Troy Tassier and Rossen Trendafilov were able to show that there was no correlation between the depth of bedrock and the likelihood of a skyscrapers construction..."
The authors hypothesize that the true cause of the skyline dip is "not an issue of supply, of where you can build. It's an issue of demand, or where you want to build."
FULL STORY: Uncanny Valley: The Real Reason There Are No Skyscrapers in the Middle of Manhattan

What ‘The Brutalist’ Teaches Us About Modern Cities
How architecture and urban landscapes reflect the trauma and dysfunction of the post-war experience.

‘Complete Streets’ Webpage Deleted in Federal Purge
Basic resources and information on building bike lanes and sidewalks, formerly housed on the government’s Complete Streets website, are now gone.

The VW Bus is Back — Now as an Electric Minivan
Volkswagen’s ID. Buzz reimagines its iconic Bus as a fully electric minivan, blending retro design with modern technology, a 231-mile range, and practical versatility to offer a stylish yet functional EV for the future.

Healing Through Parks: Altadena’s Path to Recovery After the Eaton Fire
In the wake of the Eaton Fire, Altadena is uniting to restore Loma Alta Park, creating a renewed space for recreation, community gathering, and resilience.

San Diego to Rescind Multi-Unit ADU Rule
The city wants to close a loophole that allowed developers to build apartment buildings on single-family lots as ADUs.

Electric Vehicles for All? Study Finds Disparities in Access and Incentives
A new UCLA study finds that while California has made progress in electric vehicle adoption, disadvantaged communities remain underserved in EV incentives, ownership, and charging access, requiring targeted policy changes to advance equity.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research