Current regulations for nanomedicines overlook the effects of the different forms of the same element, such as ions, nanoparticles, and aggregates. In a recent study, Japanese researchers developed a new analytical method combining an asymmetric flow field-flow fractionation system and mass spectrometry to separately quantify these forms. This technique allows for better quality control and safety evaluation of metal-based nanomedicines, promoting their development and clinical use, with applications also extending to food, cosmetics, and the environment.

In a major advancement for sustainable construction, Japanese scientists have created a cement-free soil solidifier from industrial waste. By combining Siding Cut Powder and activated by Earth Silica, an alkaline stimulant from recycled glass, scientists produced a high-performance material that meets compressive strength standards exceeding the 160 kN/m² construction-grade threshold and eliminates arsenic leaching through calcium hydroxide stabilization. The technology reduces landfill volumes and carbon emissions, offering a circular solution for infrastructure development worldwide.

Teaching STEM in Hong Kong’s preschools presents cultural, personal, and organizational challenges for female, ethnically diverse teachers. A recent study from The Education University of Hong Kong explores these barriers through the Concerns-Based Adoption Model, identifying five key concerns affecting STEM adoption. By examining confidence issues, traditional teaching philosophies, and limited resources, this study provides insights into the complex factors shaping early STEM education and calls for tailored support to enhance inclusivity.