Researchers print rainbow colorants on shimmering chocolate

ETH researchers are making chocolates shimmer in rainbow colors without the addition of colorants. They have found a way to imprint a special structure on the surface of the chocolate to create a targeted color effect.

A new way to control microbial metabolism

Microbes can be engineered to produce a variety of useful compounds, including plastics, biofuels, and pharmaceuticals. However, in many cases, these products compete with the metabolic pathways that the cells need to fuel ...

Researchers finally grasp the work week of enzymes

Enzymes are used widely in our everyday lives. Like tiny soldiers, enzymes in washing powder work to dismantle fat stains from clothing, just as they are used to transform straw into bioethanol or act as miniature pharmaceutical ...

Agroecology is emerging as a new market for peasant farming

In the 2019 harvest, members of the Landless Workers' Movement (MST), in Rio Grande do Sul state, Brazil, commemorated a harvest estimated at 16,000 tons of organic and agroecological rice, the biggest production of its kind ...

Handheld device can check if fish oil supplements have expired

Fish oil capsules are a popular health supplement with many health benefits, but concerns have been raised over the quality because omega-3 fatty acids are very prone to oxidation and deterioration on exposure to heat and ...

Scaling up a cleaner-burning alternative for cookstoves

For millions of people globally, cooking in their own homes can be detrimental to their health, and sometimes deadly. The World Health Organization estimates that 3.8 million people a year die as a result of the soot and ...

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