Research

Researchers from IRI visited Ethiopia in May 2012, working with staff from a local relief society to talk with farmers.

When scientists talk about climate change, they usually mean significant changes in the measures of climate over several decades or longer. Climate variability generally refers to seasonal changes over a year or so.

When he received his A.B. from Harvard in 1969, Martin Chalfie wasn’t sure what he would do next. His worst grades had been in physics and chemistry, and a summer research project had failed, so science seemed out of reach.

In recognition of their exceptional scholarly merit and distinguished service to Columbia, the University Board of Trustees has approved President Lee C. Bollinger’s appointment of two new University Professors: Martin Chalfie, the William R. Kenan Jr.

Extreme weather can wreak havoc on cities and their economies. Damage from hurricanes Katrina and Sandy is estimated at more than $150 billion and over $60 billion, respectively.

The Lamont-Doherty Core Repository holds one of the world’s most unique and important collections of scientific samples from the deep sea—approximately 72,000 meters of sediment cores from every major ocean and sea.

“Global mapping of cancer gene expression changes to the human metabolic network; increased enzymatic expression across tumors is shown in red and decreased in blue,” said Dr. Vitkup (who provided the image).

A massive study analyzing gene expression data from 22 tumor types has identified multiple metabolic expression changes associated with cancer.

In more than three decades as editor and publisher of "The Nation," Victor Navasky witnessed a staff uprising just once.

Engineering Professor Vijay Modi built an interactive map of annual energy consumption in New York City. Click the image to view. Image credit: Vijay Modi, Columbia University

Over the last five years, the amount of digital information worldwide has increased almost 2,000 percent, exceeding 2.8 trillion gigabytes—perhaps as many bits of information as there are stars in the universe.

David Sandalow (above left), an assistant secretary in the Department of Energy, will study a range of issues including U.S.-China energy relations, advanced vehicle technology policy, and clean energy finance.

As part of its commitment to pursuing research on the rapidly changing energy landscape and offering real-world solutions to our most pressing energy challenges, the new Center on Global Energy Policy (CGEP) at Columbia University’s School of International and Public Affairs (SIPA) announc

Research at Columbia

African-Americans with a variant of the ABCA7 gene have almost double the risk of developing late-onset Alzheimer’s disease compared with African-Americans who lack the variant.

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