This is a moment of new beginnings both for Columbia, as the University opens the first two buildings on its new Manhattanville campus, and for the more than 15,000 members of the Class of 2017 who graduate on May 17.
Alondra Nelson Columbia Dean of Social Sciences

Photo by Jörg Meyer

Alondra Nelson was an eight-year-old when the television adaptation of Alex Haley’s Roots aired in 1977 to an audience of 130 million people. “We knew it was very important,” she said. “My parents were fairly strict about bedtimes and television time, but allowed us to stay up until 11 pm for eight nights.”

A debugging tool developed by researchers at Columbia and Lehigh generates real-world test images meant to expose logic errors in deep neural networks. The darkened photo at right tricked one set of neurons into telling the car to turn into the guardrail. After catching the mistake, the tool retrains the network to fix the bug. Image Courtesy of Columbia Engineering

Researchers at Columbia and Lehigh universities have come up with a new approach to self-driving cars and other self-taught systems.

An artist's depiction of two neutron stars colliding. (Carnegie Institution for Science)

Astronomers have for the first time witnessed a pair of dead neutron stars colliding, and have confirmed that the heaviest metals in the universe, from gold to platinum, are formed in explosions like this one spotted 130 million light-years away. The discovery was announced Monday and involved thousands of astronomers globally, including a team at Columbia University. 

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