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Many products that require strength, durability and weather resistance are made with a type of nylon called nylon 6-6. However, producing this material requires an environmentally unfriendly process, which uses the endangered element zinc as a catalyst. Now, researchers have developed “greener” methods that use alternative metals. They might even be able to substitute waste iron in the form of rust, or ferric oxide, for the endangered element.

A team of researchers at University of California San Diego School of Medicine detail how GIV/Girdin, a ubiquitous signaling molecule plays a critical role in male fertility.

Researchers have identified an antibody that is highly protective at low doses against a wide range of SARS-CoV-2 viral variants. Moreover, the antibody attaches to a part of the virus that differs little across the variants, meaning that it is unlikely for resistance to arise at this spot. The findings could be a step toward developing new antibody-based therapies that are less likely to lose their potency as the virus mutates.

A microphysiological system (MPS) is a 3D organ construct that uses human cells to show how organs respond to drugs and environmental stimuli. Researchers have developed a new analytical method that can visualize cell functions in MPS using scanning probe microscopy.

According to research, countries could be moving closer to using human waste as fertilizer, closing the loop to more circular, sustainable economies.

Researchers have produced a precise profile of the T cells that respond to SARS-CoV-2 and described them at various stages of the illness. This novel methodological approach may in the future also help to assess the efficacy of SARS-CoV-2 vaccines or in the development of T cell-based treatments for serious cases.

A novel method has been developed by researchers that allows identification and location of individual atoms in a nanoparticle, even if they are vibrating and moving.

Researchers have shown how laboratory evolution can give rise to highly efficient enzymes for new-to-nature reactions, opening the door for novel and more environmentally friendly ways to make drugs and other chemicals.

Ten rivers are responsible for half of the riverine mercury entering the world's oceans — with the Amazon River, the Ganges, and the Yangtze topping the list.

Ignition is a key process that amplifies the energy output from nuclear fusion and could provide clean energy and answer some huge physics questions. A new experiment appears to have triggered ignition for the first time.