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Credit: XIN Weiwen Lithium is an energy-critical element that is considered to be a geopolitically significant resource. However, the supply of lithium may not be enough to meet continuously increasing demand. As a result, scientists are looking for new ways to extract lithium ions. Ion selective membranes have already been used extensively for water treatment and ion sieving in electrodialysis technology. However, conventional membranes exhibit low and useless Li + selectivity, making them insufficient for meeting industry requirements. Chinese scientists have recently made progress in the p...

Credit: @Science China Press The Tibetan Plateau (TP), which is also called Earth's "Third Pole", is the highest and most extensive plateau in the world. TP is well known as the "Asian water tower", where is the largest permafrost region among middle- and low-latitude regions in the world. The average temperature of permafrost on the TP is approximately -2?, this warm permafrost is more sensitive to climate change and human disturbance than that in Arctic. However, the degradation of permafrost may affect the stability of "Asian water tower". Mapping the permafrost on the TP is therefore of c...