Braghieri et al. (2025) measures polarization as the difference in article slant between Democrats and Republicans in news consumption, finding 82% attributable to algorithmic feed exposure.

<iframe
  src="https://www.isonomia.app/embed/claim/9b1d18e97148ab1e526a653b46cbb4f293985e7b1df8a11e63cb15da4d05f0a0"
  width="600"
  height="280"
  frameborder="0"
  style="border: 1px solid #e5e7eb; border-radius: 8px;"
  title="Isonomia Claim"
  loading="lazy"
></iframe>

Copy and paste into any website or forum that supports HTML.