Engineers have developed a new sponge that can remove metals -- including toxic heavy metals like lead and critical metals like cobalt -- from contaminated water, leaving safe, drinkable water behind.

Refined wood, salt, sunlight, and artificial intelligence might soon deliver clean drinking water from thin air—even in the driest regions of the world. That’s the promise behind a new invention ...

Their novel, wood-based material not only absorbs water from the air but also releases it using only sunlight, offering hope for a world facing growing water shortages. How the New Material Works The ...