Science & Technology
Could a Giant Helium Balloon in Antarctica Help Find Dark Matter?
A particle detector deployed by Columbia scientists is looking for traces of antideuterons in the atmosphere
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How the Challenger Disaster Became a Case Study of the ‘Normalization of Deviance’
Forty years after the tragedy, Columbia sociologist Diane Vaughan reflects on her landmark work on organizational decision-making
What Really Happened on Easter Island?
A Columbia study helps debunk an old theory about the island’s mysterious past
The Deepfake Scam Era Is Upon Us. Here’s How to Get Ready.
Columbia cybersecurity expert Asaf Cidon explains the eerie rise of AI-powered email, phone, and video scams — and how anyone can fall for them
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Scientists Find Tools that Predate Earliest Known Humans
Columbia geologists Christopher Lepre and Dennis Kent ’74GSAS assess a momentous discovery
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Liquid Assets
As the California drought brings home the global problem of water scarcity, Columbia engineers are advancing a challenging idea: reusing our wastewater
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Face-to-Face Dialogues Seen as Key to Breaking Down Bigotry
A Columbia study has found that people opposed to same-sex marriage will often reverse their stance after a single conversation with a gay canvasser
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The New Rules of Networking
Social-networking evangelist Sree Sreenivasan '93JRN has advice for new graduates: link in, tweet on, and connect often
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Seeds of Hope
In Uruguay, Columbia scientists are working on a forecasting system to help farmers cope with climate change
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A Secret History
Science and technology historian Matthew Jones breaks down the history of snooping
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Whose Galaxy Is It?
As astronomers discover a universe flush with potentially life-supporting planets, it seems more and more likely that we are not alone
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Underwater, Another Carbon Problem
Human-caused climate change could have an unprecedented effect on marine life
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A Sound of Trumpets
The global lust for ivory threatens to silence the African elephant forever. Can a hidden remnant of the Cold War help stem the slaughter?
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Fickle Fortunes
A surprising number of Americans cycle in and out of poverty. Columbia researchers have embarked on an ambitious study to find out why
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Dusty Air Contributing to Disease in Africa
Columbia climate scientists have discovered why outbreaks of bacterial meningitis are seasonal