Jagran Josh presents this week's essential current affairs quiz, designed for students preparing for competitive exams and ...
The Avid Outdoorsman on MSNOpinion

Rifles that ruin long-range groups in the wind

When you stretch shots past a few hundred yards, the wind becomes the ultimate test. Even the best marksman... The post ...
A new gold-perovskite catalyst achieves record-high acetaldehyde yields from bioethanol at lower temperatures. Acetaldehyde plays an important role as a chemical building block and is commonly ...
Yang, Y. (2025) Research Progress of Nano ZnO and Its Composites in the Field of Antibacterial Technology. Journal of Biomaterials and Nanobiotechnology, 16, 31-38. doi: 10.4236/jbnb.2025.163003 .