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Solar panels that make seawater into drinking water (Level B2) — solar panel under blue sky
17 Jun 2026

Solar panels that make seawater into drinking water

Researchers at the University of Rochester built solar panels that evaporate seawater, collect nearly all salts as solids and can separate lithium. The method uses laser-etched metal surfaces and may cut energy use and brine waste.

Photo by American Public Power Association, Unsplash

AI in American Classrooms (Level B2) — woman standing in front of children
18 May 2026

AI in American Classrooms

Artificial intelligence is arriving in many U.S. schools. Teachers, researchers and companies are testing new tools; some see time savings while others worry about classroom relationships and fairness.

Removing Cookies Cuts Online Ad Revenue (Level B2) — monitor screengrab
18 May 2026

Removing Cookies Cuts Online Ad Revenue

A Boston University study finds that removing third-party cookies substantially reduced publisher ad revenue, with larger losses in the EU. Google’s Privacy Sandbox recovered only a small share, and publishers are changing how they earn money online.