New pigment-free coating stays 6°C cooler than surrounding air in desert sun

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EU sanctions on Russia explained: the tools, the targets and the limits

Asset freezes, export controls and oil restrictions work in different ways. This guide explains how to read sanctions announcements and what evidence is needed to judge their effects.

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Ukraine’s war-displaced families: why returning home does not end the crisis

Russia’s war in Ukraine has made returning home more complicated than crossing a border. Understand the housing, livelihood and service barriers behind displacement and lasting recovery.

Columbia Engineering researchers developed a porous polymer coating that can cool surfaces below the surrounding air temperature without using electricity. The coating replaces conventional white pigments with nano-to-microscale air voids…

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Ukraine’s energy war: why repairing the grid is more than restoring electricity

Power lines, heating, imports and repair funding all shape Ukraine’s resilience. A sourced explainer on what energy headlines reveal—and what they cannot tell us about the coming winter.

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