Research

Butterfly breeding

Columbia history professor William R. Leach’s interests cross over many fields—and meadows too. As a lifelong butterfly collector, Leach has traversed open fields, streambeds and orchards

John Dewey

John Dewey

Few philosophers can boast of having their picture on a U.S. postage stamp. Or on the cover of Time magazine. Or merit a 3,349-word obituary in The New York Times.

Most archives are designed to accumulate material. One collection at Columbia is working to give some of its holdings away.

A huge 2010 Chile earthquake (pictured here) set off lesser tremors near waste-injection sites in central Oklahoma and southern Colorado, says a new study. (Claudio Núñez)

Large earthquakes from distant parts of the globe are setting off tremors around waste-fluid injection wells in the central United States, says a new study.

Psychologists and criminal defense attorneys have long argued that the adolescent brain is different from the brain of a child or an adult.

The only problem? They couldn’t prove it.

Professor Adam Galinsky is power hungry. For more than a decade, he has studied the role of power as a psychological force, both its behavioral effects and the practical implications of having power and feeling powerful.

A microscope image of a nerve cell and its many branches (or dendrites) in a deep layer of a rat's cerebral cortex.

Speaking. Seeing. Hearing. Thinking. Remembering. Understanding this sentence and making a decision about whether or not to read on.

Gay rights activists have notched significant victories as well as some high-profile defeats in the struggle for equality.

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.

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