This example displays a scatter plot of the Palmer Penguins dataset, mapping bill length along the x-axis and flipper length along the y-axis. It uses D3's `scaleLinear` and `extent` to compute scales, then draws axes, labels, and semi-transparent circles for each penguin. The visualization reads data from the `@curran/penguins` library and relies on D3's `select` and `join` operations to update SVG elements incrementally.