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  • The spread of hungry lionfish in Brazil

    The spread of hungry lionfish in Brazil has reached a worrying point.

    Ocean currents are predicted to aid in the spread of the invasive predator further south. In late 2020, as Ricardo Arajo was preparing for work, his phone rang with a terrifying message: For the first time, a lionfish, an invasive predator, had been discovered lurking nearby the waters of Brazil’s Fernando de Noronha Marine National Park, a biodiversity hotspot and…

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  • Operando NMR Spectroscopy Reveals Charge-Compensating Interactions and Ion Dynamics in PEDOT: PSS Mixed Conductors

    Summary The study demonstrates the use of operando nuclear magnetic resonance (NMR) spectroscopy in shedding light on the charge-compensating interactions and ion dynamics in organic mixed conductors, particularly in hydrated devices and on electrochemical cycling. The researchers used a widely used mixed conductor, poly(3,4-ethylene dioxythiophene) poly(styrene sulfonate) (PEDOT:PSS), and conducted 23Na and 1H NMR spectroscopy to quantify cation and water…

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  • A new catalyst for conversion of CO2 into methane at lower temperatures

    The development of a solid catalyst that can efficiently convert CO2 to methane using surplus renewable energy represents an important step forward in the fight against climate change. This process has the potential to decarbonize and substitute fossil fuel feedstocks, contributing to a more sustainable and low-carbon energy system. Traditionally, high temperatures are required for the efficient activation of CO2,…

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  • A Water-Powered Paper Battery is developed

    A Water-Powered Paper Battery is developed

    Switzerland: A remarkable water-powered paper battery has been developed that can be disposed of after one use, reducing the concentration of e-waste globally. It can be used for medical purposes and temporarily due to various properties that are completely biodegradable. Low-cost batteries can be made from eco-friendly components of any size and power, while in early experiments a paper battery…

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  • A new technology for capturing carbon dioxide from the atmosphere

    A new technology for capturing carbon dioxide from the atmosphere

    Texas: An American start-up company is working on a train that can extract carbon dioxide from the air while in motion. A company called CO2rail is working with engineers from the University of Sheffield and the University of Toronto to create air ducts that can draw in air while the train is moving. Can be converted to liquid form and…

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