#Cities4

26 May 2026

Study: city shape and land use affect traffic

An international study of 30 major cities shows that traffic congestion depends on more than road capacity. Researchers used vehicle movement data and city maps to link road networks, land use and congestion patterns.

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Photo by Muki Pan, Unsplash

8 May 2026

Trees and unequal health benefits in cities

A new study finds that nearby trees are linked to lower chronic stress but the benefit is not equal for all groups. Researchers matched health records with satellite maps of tree cover to study the effect across U.S. neighborhoods.

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27 Apr 2026

AI and Civic Trust in Hong Kong

On a Hong Kong university campus, scam warnings rose after a deepfake video call tricked an employee. Generative AI makes plausibility common, authorities use technical tools, and local groups hold small meetings to rebuild public trust.

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31 Mar 2026

City living linked to lower stroke risk

A US study followed over 25,000 adults and found a 2.5% lower risk of a first-time stroke in more developed areas. Researchers used satellite data but did not test which city features cause the effect.

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