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This interactive visualization combines a bubble map and a time-series histogram to explore global publication trends from 1996 to 2022. The map displays countries colored by publication totals using a sequential blue scale, with circles sized proportionally to publication counts via `scaleSqrt`. A brush on the histogram filters the map by date range, dynamically updating the displayed data. Built with React and D3 v5, it uses `geoNaturalEarth1` projection, `geoPath`, and `geoCentroid` for geographic rendering, alongside `brushX` for interactive filtering.
AI-generated descriptionA world map showing cities with population greater than 50,000. City data from Simplemaps: World Cities Database.
Country boundaries from World Atlas TopoJSON, polished for visual style, including graticules.
This iteration is optimized for performance using React's useMemo hook.