2015

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.

: NASA's New Horizons spacecraft provided the first close-up images of Pluto, revealing a complex world of nitrogen ice mountains and a "heart-shaped" glacier. 2015 was a consequential year marked by major

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Apple introduced the iPhone 6s and 6s Plus, bringing "3D Touch" to the masses. While the feature is now defunct, the launch solidified the idea that the phone wasn't just a device—it was an extension of the hand. 2015 was also the year the Apple Watch launched. Initially mocked as a "nerd shackle," it normalized the idea of being permanently connected to your wrist. The quantified self movement went mainstream. Initially mocked as a "nerd shackle," it normalized

paper from the NSW Board of Studies is a standard reference. Research & Policy Papers Pertussis vaccines: WHO position paper – August 2015

In a moment of pure, unbridled joy amidst the chaos, the US Supreme Court ruled on June 26, 2015 , that same-sex marriage was a legal right nationwide. The White House was lit in rainbow colors. It was the culmination of decades of activism and remains the high-water mark of the progressive legal movement in the 21st century.

: George Packer’s analysis of the tragic events in Paris was one of the The New Yorker's most-read entries. Year-End Reviews and Compilations