The design is the first practical floating solar hydrogen-generating device to perform water electrolysis without pumps or membranes and could lead to low-cost, sustainable hydrogen production.

“Alex Halliday is a renowned research scientist and skillful academic leader who is uniquely suited to charting the Institute’s future and its vital interdisciplinary role at the University," said President Lee C. Bollinger.

Billy D’Andrea, a Columbia climate scientist and Center for Climate and Life Fellow, is trying to understand Easter Island’s climate history over the last few thousand years and how communities dealt with past climate change.

Columbia Magazine explores how University astronomers are going beyond our solar system to understand exoplanets, find exomoons, and explore all sorts of surreal estate.

The researchers are the first to observe the electronic structure of graphene in an engineered semiconductor; their finding could lead to progress in advanced optoelectronics and data processing.

Columbia's Joachim Frank, one of this year's Nobel Laureates in Chemistry, received his Nobel Medal on December 10 in Stockholm and described his work in electron microscopy in his Nobel lecture.

A new study co-authored by Anders Levermann of Columbia's Lamont-Doherty Earth Observatory shows that even minor deterioration of ice shelves can instantaneously hasten the decline of ice hundreds of miles landward.