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A pop-art illustration of a human nose, surrounded by squiggly lines

Gut bacteria influence social behavior through smell

March 30, 2026
Adult male mice use a foul-smelling odor produced by gut bacteria to signal to each other. When other male mice smell the odor, it changes their behavior and shapes social hierarchies. Researchers found the olfactory receptor that translates the scent into behavioral changes, such as aggression and dominance.
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Federal judges report broad adoption of AI tools

March 30, 2026
A new Northwestern study surveying federal judges across the U.S. on their use and outlook on artificial intelligence in and outside of the courtroom found that more than 60 percent of judges who responded reported using at least one AI tool in their judicial work. While judges reported broad adoption of AI tools, only 22.4% of judges reported using AI tools on a weekly or daily basis.
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AAAS honors two Northwestern researchers as Lifetime Fellows

March 26, 2026
Molecular bioscientist Carole LaBonne and cognitive scientist Matthew Goldrick, both faculty at Weinberg College of Arts and Sciences at Northwestern University, have been elected 2025 Fellows to the American Association for the Advancement of Science, one of the world’s largest general scientific societies and publisher of the Science family of journals.
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Imagination is more than sensory replay

March 24, 2026
A new Northwestern University study suggests that higher‑level brain systems that interpret and organize perception may also play a central role in imagination.
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New data on water insecurity points to risks of migration, civil unrest and hunger in the Western Hemisphere

March 23, 2026
A new study of 17 countries in the Americas, including the U.S., found that no country or income group is immune to water insecurity, and that the prevalence of water insecurity varies widely within and across the Americas. The study, conducted by researchers at Northwestern University, Gallup and the Center for Strategic and International Studies (CSIS), amongst others, uses survey data collected from 27,000 individuals about their experiences with water.