An AI-powered app that can detect poison ivy

Poison ivy ranks among the most medically problematic plants. Up to 50 million people worldwide suffer annually from rashes caused by contact with the plant, a climbing, woody vine native to the United States, Canada, Mexico, ...

More green spaces linked to slower biological aging

Northwestern scientists have conducted a new study to see if living near green spaces, like parks and areas with a lot of plants, can affect how our bodies age and contribute to overall healthy aging.

Nanotechnology in the fight against viruses

Newly emerging and recurrent cases of viral infections constitute a significant problem and a huge challenge to public health. Most countries prevent or control acute viral infections through widespread vaccination and improved ...

Q&A: Urban doom loop—what it is and how cities can stop it

Recent images of downtown San Francisco—emptied of office workers now dialing in remote and filled with wandering homeless people—has struck fear for the future of urban areas. A Columbia University professor coined the ...

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