Articles on Buildings

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Fires burned across Spain in summer 2026. Acting quickly to shore up old stone walls when buildings burn can help preserve a region’s history. Jose Jordan/AFP via Getty Images

Wildfire‑damaged historic buildings may not be as ruined as they appear, but saving them means acting fast

The damage is sometimes only centimeters deep. Three engineers explain the colors of burned masonry and other signs preservationists look for amid another destructive fire year.
Gaudi’s architecture, including Park Güell, is extensively decorated with Moorish-style tiles, known as azulejo in Spanish. Pajor Pawel/Shutterstock

The Islamic legacy built into Gaudí’s most famous designs

The Barcelona architect was a devout Catholic, but his work was heavily influenced by Moorish techniques.
Artificial intelligence systems can optimize airline routes and reduce contrails. Richard Newstead/Moment via Getty Images

Despite its steep environmental costs, AI might also help save the planet

Artificial intelligence systems have big environmental costs but are also finding ways to save energy and water, cut emissions and make businesses more efficient.
Visitors get the sensation of floating above Manhattan at the Summit at One Vanderbilt. These rooms are built with low-iron glass, made with ultrapure silica sand. Benno Schwinghammer/picture alliance via Getty Images

Where does your glass come from?

Glass seems simple − it’s just sand and a few more ingredients. Yet mining and production are rarely local, raising questions about sustainability.

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