Science & Technology

Researchers have created the first map of Nairobi’s main transit system

At Columbia’s Data Institute, teams of sociologists, economists, social workers, and data scientists are using computational methods to tackle life's big questions

Geologists working in the Cape Verde islands have found evidence to back up a controversial theory

The company spent tens of millions of dollars between 1998 and 2005 on public-relations campaigns that questioned climate science

Two supermassive black holes in the constellation Virgo are likely to smash together in about one hundred thousand years

What game theory can teach us about climate-change negotiations

Research briefs

A miniature car powered by microbes and evaporating water is the latest invention to come out of the laboratory of biophysicist Ozgur Sahin

Benjamin Dean ’14SIPA, a fellow for Internet governance and cybersecurity, says they have little financial incentive to do so

Saharan silver ants, big brown bats, and dinosaur eels are among our best engineers

Columbia geologists Christopher Lepre and Dennis Kent ’74GSAS assess a momentous discovery

As the California drought brings home the global problem of water scarcity, Columbia engineers are advancing a challenging idea: reusing our wastewater