Polyoxometalates (POMs) look like tiny, perfectly ordered mandalas—complex molecular cages made of metal and oxygen atoms.
Explore the art of crafting a cow bullock cart entirely from bamboo in this engaging DIY woodworking project. This video ...
Hu, X.Y. (2025) The Opportunities and Challenges of Declining Birthrates for Small-Class Science Teaching in Secondary Schools. Open Access Library Journal, 12, 1-8. doi: 10.4236/oalib.1114434 .