Researchers have demonstrated several breakthroughs in nanoscale materials enhancing energy storage and biomedical applications. Advances include the development of Prussian blue analogue-derived transition metal phosphide nanorods boosting sodium-ion battery anode performance, while a CoSbS-G composite further improves battery efficiency. Likewise, novel amphiphilic MXene materials with high conductivity exhibit versatility in solvent dispersion, expanding their industrial utility. In biomedical technology, bee-stinger-inspired microneedles have been created that enable precise drug delivery, accelerate wound healing, and allow real-time monitoring, representing a multifunctional leap in therapeutic devices.