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A study holds promise for helping people find obsessive compulsive disorder (OCD) therapies that work.

A team led by Columbia researchers has discovered that human cells with impaired mitochondria expend more energy, increasing the rate at which cells age.

Researchers at Columbia Engineering have created ultra-small lasers of very pure colors from near-ultraviolet to near-infrared, with exciting implications for technology.

How did the political situation in Peru escalate to violence? A political scientist unpacks why the country is in turmoil today.

The Great Polarization lays out the issue in stark terms, and outlines potential ways forward.

As part of Carlos Del Toro’s visit, SIPA hosted a lunch for selected students from the United States and other countries. 

In his two decades as head of the university, Bollinger has overseen an ambitious architectural expansion and a flourishing of the arts on campus. 

Kiki Smith, Kara Walker, Dana Schutz, and other notable artists have left their imprints on the space—and on a generation of students.

Tony Kushner and Dede Gardner are up for Academy Awards this year.

By Helen Benedict and Eyad Awwadawnan

By Saidiya Hartman

By Thomas Christensen, John T. Downey, and Jack Lee Downey 

By Lewis Ziska