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Osteoporosis A pH‐responsive shell‐core structured micro/nano‐hydrogel microspheres construct via gas microfluidics and ionic cross‐linking technique. The microspheres can achieve oral delivery, intragastric protection, intestinal slow/controlled release, and active targeting to bone tissue. This novel oral microspheres can simultaneously accelerate intraosseous vascularization and decrease bone resorption, offering a brand‐new approach to prevent postmenopausal osteoporosis. More details can be found in article number 2207381 by Wenguo Cui, Peng Jia, Youjia Xu, and co‐workers.