Disposable masks could be used to improve concrete

With the pervasive single-use masks during the pandemic now presenting an environmental problem, researchers have demonstrated the idea of incorporating old masks into a cement mixture to create stronger, more durable concrete. 

Nature inspires a greener way to make colorful plastics

Long before humans figured out how to create colors, nature had already perfected the process—think stunning, bright butterfly wings of many different hues, for example. Now scientists are tapping into those secrets to ...

Starting fire with water

When firefighters want to extinguish a blaze, they often douse it with water. Astronauts on board the ISS, however, are experimenting with a form of water that does the opposite. Instead of stopping fire, this water helps ...

Using pressure to swell pores, not crush them

More than a decade ago, Thomas Vogt and Yongjae Lee, then colleagues at Brookhaven National Laboratory, uncovered a counter-intuitive property of zeolites. When they put these porous minerals in water, and then put the water ...

Streams stressed by pharmaceutical pollution

Pharmaceuticals commonly found in the environment are disrupting streams, with unknown impacts on aquatic life and water quality. So reports a new Ecological Applications paper, which highlights the ecological cost of pharmaceutical ...

Flexible molecular cages expand to pack in multiple metals

(Phys.org) -- By expanding and rearranging certain connections, a rare molecule packs in two different metals, not just one, according to scientists at Pacific Northwest National Laboratory. This captivating molecule, a metal ...

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