
Chemistry
Scientists Say: Pigment
From fruits to fur to fine art, many materials get their colors from compounds called pigments.
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From fruits to fur to fine art, many materials get their colors from compounds called pigments.
Data show the plastic ends up tainting drinking water. For now, scientists don’t know what health risks downing these pollutants might pose.
The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.
With special fibers that convert tiny vibrations to voltages, a new fabric senses sound. Someday, such fabrics could monitor the body or aid hearing.
Researchers are fashioning new materials to make clothes more comfortable and convenient.
Scientists 3-D printed the new fabric, which has even more tricks up its sleeve — such as conducting electricity and resisting radio waves.
Cellulose gives plants their strength. Engineers are turning this renewable, environmentally friendly resource into brand new materials.
It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.
Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.
Bitcoin and other cryptocurrencies exist only online. Yet the environmental impacts of their networks affect the real world.