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Montreal Protocol Is Delaying First Ice-Free Arctic Summer

New research shows that the 1987 global treaty, designed to protect the ozone layer, has postponed the occurrence of the first ice-free Arctic by as much as 15 years.

New Method Uses Engineered Bacteria and AI to Sense and Record Environmental Signals

Columbia synthetic biologists first to engineer bacterial swarm patterns to visibly record environment, use deep learning to decode patterns; applications could range from monitoring environmental pollution to building living materials

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Honey, the 3D print–I mean, dessert–is ready!

Columbia Engineers explore the benefits and drawbacks of 3D-printed food technology.

Positively Charged Nanomaterials Treat Obesity Anywhere You Want

Columbia researchers discover that the cationic charged P-G3 reduces fat at targeted locations by inhibiting the unhealthy lipid storage of enlarged fat cells

Tackling Crowd Management in Subways during Pandemics

Mass transit, and subways in particular, are essential to the economic viability and environmental sustainability of cities across the globe.

New COVID-19 Rapid-test Technology Performs PCR Faster than Similar Tests on the Market

Researchers at Columbia Engineering and Rover Diagnostics team up to develop a low-cost, portable platform that gives RT-PCR results in 23 minutes that match laboratory-based tests

Plug-and-Play Organ-on-a-Chip Can Be Customized to the Patient

Major advance from Columbia Engineering team demonstrates first multi-organ chip made of engineered human tissues linked by vascular flow for improved modeling of systemic diseases like cancer