Explore Interactive apps, data-stories, and case studies.
Teaching studios, apps, and data stories spanning public health, politics, business, and other public data. Filter by type or topic below — each piece opens in a new tab.
Browse by topic · 182 pieces
Book-length projects, most built as their own sites, and two chart and map toolkits on ctzn.pub. Most are written in public: chapters are drafted and revised on the live site.
Life expectancy, overdose deaths, chronic disease, and the geography of health across states, counties, and ZIP codes.
Presidential returns, county swings, turnout, and the electoral map — interactive atlases and data stories on how America votes.
What language models can and cannot measure — benchmarks, meaning, bias, and using LLMs as instruments on real data.
Life satisfaction, time use, stress, and social connection — what large surveys reveal about how Americans are actually doing.
Schools & Universities
9 piecesColleges, school districts, and the people they produce — cost and earnings, alumni networks, grade inflation, and who gets through.
Party sorting, attitude gaps, and long-run survey trends — how American opinion divides, shifts, and hardens across groups and decades.
Growing Up in America
12 piecesAdolescence in the data: mental health, school, sleep, substances, politics, and belief among American teens across five decades.
Pricing, competition, advertising, and market structure — data stories and teaching cases from the business world.
Consumer & Household Finance
9 piecesSpending, saving, debt, and financial fragility — how American households earn, borrow, and manage money.
Inequality & Mobility
7 piecesIncome and wealth gaps, economic mobility, and who gets ahead — evidence across places, cohorts, and generations.
Population change, migration, family structure, and the social fabric — the long-run shifts beneath the headlines.
The press, the archive, and the ad ledger — how stories get told, what gets covered, and who pays to be seen.
Religion & Belief
3 piecesReligious affiliation, practice, and belief — the reshaping of American religious life, told through survey data.

































