Study Reveals How Voters’ Opinions on Same-Sex Marriage Can Change

Can a 20-minute doorstep conversation with a gay canvasser create large and lasting changes in opinions on same-sex marriage? Research by Columbia Professor Donald P. Green and UCLA doctoral student Michael J. LaCour indicates that it can.


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Is There Intelligent Life in the Universe? 5 Questions with Astrobiologist Caleb Scharf

Nicolaus Copernicus, the 16th century Polish astronomer and mathematician, wasn’t the first to suggest that the Earth wasn’t the center of the universe, but he was the first to prove it with a mathematical theorem. By doing so he upended the notion that Earth is unique, giving rise to the idea that there might be life on other planets.


Five Questions with Cultural Psychologist Valerie Purdie-Vaughns

The issue of race is foremost in the nation’s consciousness as events in Ferguson, Mo. unfold. But for Valerie Purdie-Vaughns, there is a more important message. “There are parents sitting in their home right now who buried their son,” said the associate professor of psychology at Columbia. “It is a lesson about our humanity. Every other lesson is secondary.”

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FDA-Approved Drug Restores Hair in Patients with Alopecia Areata.
Columbia's Leadership in Climate Research