Related topics: smartphone

Color-changing material indicates when medications get too warm

Some foods and medicines, such as many COVID-19 vaccines, must be kept cold. As a step toward a robust, stable technique that could indicate when these products exceed safe limits, researchers in ACS Nano report a class of ...

Brazil farmers bet on environmentally friendly cotton

The road through Cristalina, Brazil is in the middle of the tropics, but the fields on either side look like they are covered in snow—little white puffs of cotton stretching to the horizon.

Consumers embrace milk carton QR codes, may cut food waste

The "use-by" and "best-by" dates printed on milk cartons and gallon jugs may soon become a thing of the past, giving way to more accurate and informative QR codes. A new Cornell University study finds that consumers will ...

Edible, fluorescent silk tags can suss out fake medications

Recent developments such as the explosion of online pharmacies and supply chain issues have made it easier for counterfeiters to profit from fake or adulterated medications. Now, researchers reporting in ACS Central Science ...

Forget cash! Credit is key to the survival of busking

Our changing relationship with cash and dramatically reduced foot traffic in CBDs around the globe has prompted street performers to find different ways to generate income and sustain their careers.

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