: 2015 test papers for Year 3, 5, 7, and 9 (Reading, Numeracy, and Writing) are available via HSC (Australia) 2015 HSC Mathematics

2015 was a consequential year marked by major political events, cultural milestones, scientific advances, and intensifying humanitarian crises. This essay surveys the year’s most influential developments across international diplomacy, technology and science, economics, culture, and human mobility, arguing that 2015 served as an inflection point where long-term trends—globalization, climate action, digital transformation, and mass migration—became urgent political and social challenges.

): An essay on the physical and social marks of poverty, specifically how dental health serves as a class signifier in America. The Problem We All Live With Nikole Hannah-Jones This American Life