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 · 170 pieces
Elections & Voting
18 piecesPresidential returns, county swings, turnout, and the electoral map — interactive atlases and data stories on how America votes.
AppThe American Political Almanac · 1976–2024
An interactive atlas of U.S. presidential elections, 1976–2024 — national, state, and county returns, demographics, and ANES survey shifts.
BlogNewThe Political Ad Ledger
A data booklet on what Google's public political-ads dataset reveals about political advertising in India, 2019–2026: the money, the machinery, and the government behind it.
BlogPresidential Election Atlas: 1976-2024
A state-by-state presidential election dashboard: move across 1976-2024, compare national outcomes, read the hex map, and inspect which states shifted most from the prior election.
BlogNewThe Attention Budget That Wasn't
We expected Congress to have a fixed attention budget that crises reallocate. Across 25 years of hearings, it doesn't — the calendar rules, most shocks never register, and only a pandemic emptied the schedule.
BlogNewThe Floor Time Gap
2.7 million Commons speeches: women won seats faster than they won the floor. But the gap was never that women speak less — it was who gets to be the busiest voice in the room.
BlogNewThe Mainstreaming Clock
2.7 million Commons speeches, 1979–2020: issues enter the parliamentary record on the schedule of legislation, not ideology — and the party talking most is usually the one holding the pen.
Polarization & Public Opinion
21 piecesParty sorting, attitude gaps, and long-run survey trends — how American opinion divides, shifts, and hardens across groups and decades.
BlogThe Great Divergence: Teen Political Identity
Track how U.S. high school seniors describe their political identity from 1976-2023, with gender gaps, ideological spectrum shifts, and post-2016 decomposition views.
BlogNewHow a Moral Crusade Became a Governance Problem
Prohibition entered the Constitution through moral reform and democratic legitimacy. Fourteen years later, newspapers buried it under economics, administration, and regulated repeal.
BlogNewCommunities Have Emotional Fingerprints
211,225 human judgments of Reddit comments reveal that communities run on distinct emotions — and that humans can't agree on what grief looks like.
BlogThe Diploma Divide Comes for the Prom — Teen Politics by Sex and Parental Education, 1976–2024
The “Trump effect” on teenage politics is usually told as a story about boys and girls. Follow half a million high school seniors across five decades and a second fault line appears: whose parents went to college. After 2016, daughters o…
BlogNewWhen Politics Ate the Newsroom
209,527 HuffPost headlines, 2012–2022: politics triples its share of the newsroom, the listicle dies, and you can date the arrival of every word.
BlogAmerica Didn’t Wait for the Unsorted to Die — They Switched
Track ANES cross-pressured voters from 1972-2024 to test whether partisan sorting came from generational replacement or switching among existing cohorts.
Health & Mortality
22 piecesLife expectancy, overdose deaths, chronic disease, and the geography of health across states, counties, and ZIP codes.
AppHealth of America’s ZIP Codes
A map-first atlas of 26 health and social-need measures across 32,409 ZIP/ZCTAs (CDC PLACES + Census), with stories and methodology.
BlogFour Subway Stops, Twenty-Four Years
Within a single American county, life expectancy at birth can differ by more than two decades. A tract-level tour of New York and Chicago.
BlogSafer and More Afraid — The Paradox of Violence in American Schools, 1991–2023
By every measure of actual violence, American high schools are far safer than in the 1990s: fights cut in half, weapons on campus down two-thirds. Yet the share of students too afraid to go to school at all has tripled. Thirty years of d…
BlogScars That Don't Show — Bullying and the Mental Health of American Teens
One in four American high schoolers is bullied — in the hallway, on the phone, or both. The bruises are rare. The despair is not: bullied teens report sadness, suicidal thinking, and suicide attempts at rates two to six times higher than…
BlogThe Great Sadness — Three Decades of Teen Mental Health, 1991–2023
Around 2011, something broke. After a decade of stable — even improving — mental health, American teenagers, and especially teenage girls, began reporting sadness and suicidal thinking at rates the CDC’s survey had never recorded. By 202…
BlogThe Sleep Recession — American Teens and the Eight-Hour Night, 2007–2023
Pediatricians say teenagers need eight to ten hours of sleep. In 2007, fewer than a third of American high schoolers got even the minimum on a school night. Sixteen years later it is fewer than a quarter — and the students getting five h…
Happiness & Well-Being
21 piecesLife satisfaction, time use, stress, and social connection — what large surveys reveal about how Americans are actually doing.
Blog2020: The World's Worst Year?
Gallup World Poll, 93 countries: in 2020 daily worry, sadness and stress hit their highest recorded levels, while the world’s rating of its own life barely moved.
BlogThe Well-Being Atlas
A publication of reproducible data essays on life satisfaction — Gallup World Poll, GSS, and WVS microdata across 50 years and 168 countries.
BlogAlone Together
A partner is worth about half a rung of the Cantril ladder, and the premium survives wherever you live. But a civic-rich county does not rescue the isolated — the married-vs-unmarried gap is the same in high-social-capital places and low…
BlogDoes Generosity Pay - Everywhere?
Across 155 countries, people who give — money, time, or a hand to a stranger — rate their lives higher and feel better day to day. The link is remarkably stubborn: it holds in rich countries and poor ones alike, and it is strongest for g…
BlogDoes the Ring Still Matter?
For fifty years, married Americans have reported being happier than everyone else. The gap has barely budged — and most of it survives even after you account for who tends to marry.
BlogDoes Community Substitute for Connection?
Putnam's heirs promised that civic fabric lifts everyone. Three and a half million Gallup interviews ask the sharper question: does it lift the people who need it most?
Business & Markets
24 piecesPricing, competition, advertising, and market structure — data stories and teaching cases from the business world.
AppChat FRED
Chat with the Federal Reserve Economic Data API. Explore economic indicators, time series, and datasets through natural conversation—powered by cached data for instant responses.
TeachingFast-Food Share of Wallet: COVID Impact
How did the pandemic redraw where consumers spent their fast-food dollars? A share-of-wallet dashboard that benchmarks chains against the category through the shock and recovery.
TeachingGDELT Media Agenda Lab
Search global news and television coverage as an agenda-setting lab: compare attention, tone, source geography, station airtime, and evidence cards from live GDELT APIs.
AppFAL Campaign Studio — AI Marketing Case Studies
Teaching case studies and FAL-powered tools for generative AI in creative marketing — study real campaigns, then turn a strategic brief into production-ready image assets.
TeachingNYC Airbnb: A Listings Atlas
Explore tens of thousands of NYC listings by neighborhood, room type, and price — a worked example of how exploratory views turn a raw marketplace dump into a map of where supply and money actually sit.
TeachingThe Southwest Effect
Does a low-cost carrier entering a route really pull fares down — and by how much, once you hold distance and demand fixed? A visual walk through the classic regression.
Consumer & Household Finance
9 piecesSpending, saving, debt, and financial fragility — how American households earn, borrow, and manage money.
BlogNewThe Complaint Machine
16.7 million CFPB complaints: the cleanest natural experiment in consumer finance, and a database that one product category swallowed whole.
BlogNewThe Fed Hiked. Your Credit Card Noticed.
Fourteen years of CFPB complaints show monetary policy reaching households through exactly one door: credit-card complaints triple after the 2022 hikes while mortgage complaints never move.
BlogNewThe January Echo
Amazon's musical-instrument reviews peak in January, not December — the sound of a million gifts being unboxed. Seasonality cleanly separates the instruments people give from the gear working musicians buy.
BlogFeeling Rich Is Not the Same as Being Rich
Across 147 countries, money reliably buys the feeling of financial sufficiency — and the feeling never tops out, across countries or within them. But whole regions feel far richer, or poorer, than their income says they should.
BlogThe Peak and the Plateau — A Decade of American Financial Well-Being
For a decade, Americans felt steadily better about their money. Then 2022 took it back — and the recovery never came.
Zillow state ZHVI panel
Wide state-level Zillow Home Value Index panel with monthly columns from 2000 through 2026.
Inequality & Mobility
7 piecesIncome and wealth gaps, economic mobility, and who gets ahead — evidence across places, cohorts, and generations.
BlogThe Toll Booth
College is sold as the great equalizer. Across 6,400 U.S. institutions it looks more like a toll booth: a for-profit earnings penalty, a net-price schedule that bills a poor family a third of its income, and 2,200 counties with no four-y…
AppNewCollege Ledger — Every U.S. College, on the Record
Cost by family income, graduate earnings and debt, and three decades of trajectory for 6,273 accredited U.S. colleges — College Scorecard + IPEDS, shown honestly: suppressed is suppressed, never zero.
BlogThe Places That Beat the Model
A five-variable model predicts neighborhood mobility with R² = 0.44. The residuals are the interesting part: the counties that out-perform their demographics, and the boomtowns that don't.
BlogRaised Poor, Locked Up
For boys raised by poor families, the odds of growing up incarcerated rise with neighborhood deprivation — and, on the very same streets, fall heavily by race.
BlogThe Born-Rich Premium
What does a rich birth buy? The Opportunity Atlas prices the class premium neighborhood by neighborhood — and it varies twofold across America.
BlogThe Company You Keep
Twenty-one billion Facebook friendships, one question: which kind of social capital actually predicts whether poor children rise? Cross-class friendship does. Volunteering, clubs, and tight-knit networks barely register.
Demographics & Society
16 piecesPopulation change, migration, family structure, and the social fabric — the long-run shifts beneath the headlines.
BlogNewThe University Shaped Like New York
What Wikidata's selected archive of notable alumni says—and cannot say—about NYU and 23 U.S. comparison universities.
BlogNewTwenty-Four Universities, Five Fingerprints
A clustering case study of occupational fingerprints in Wikidata's selected archive of notable university alumni.
BlogNewAmerica Ran Out of Common Names
A century of Social Security records shows the quiet collapse of the common first name — and that name fads now burn out twice as fast as they used to.
BlogLake Wobegon High — Fifty Years of Grade Inflation in American High Schools
In Garrison Keillor’s fictional town, all the children are above average. In actual American high schools, they are now mostly A students: the share of seniors reporting an A average has more than doubled since 1976, while truancy hasn’t…
BlogNewThe Alumni Factory
One million notable alumni of 250 institutions: what each school actually produces, and when its famous women finally appear.
BlogThe Great Withdrawal — How American Teens Stopped Dating, Working, Drinking, and Going Out
Dating. Going out at night. The after-school job. The first beer. The first everything. Across fifty years of surveys, every classic marker of teenage social life is in retreat at once — most of them starting their slide around 2010, non…
Religion & Belief
4 piecesReligious affiliation, practice, and belief — the reshaping of American religious life, told through survey data.
BlogThe Shape of Belief: World Religious Composition
Explore how global religious composition changes from 2010-2050 across regions, faith groups, population shares, and projected growth patterns.
BlogLosing Their Religion — Faith Among American High School Seniors, 1976–2024
Every year since 1976, America’s high school seniors have been asked how often they attend religious services and how much religion matters in their lives. The pews emptied slowly, then quickly. But the more surprising finding is who lef…
BlogFrom Denomination to Devotion
Across the ANES 1948-2024, the religious cleavage in American presidential voting rotated from a denominational axis (Catholic Democrats vs Protestant Republicans) to a devotional one (frequent attenders vs seculars) that cuts across eve…
BlogReligion's Conditional Dividend
Across 143 countries, people who call religion important rate their lives higher and feel better day to day — but mainly where life is hard. As nations grow richer and safer, the religious advantage bends toward zero, and in the wealthie…
Methods, AI & Data
28 pieces
BlogNewAmerican Stories — A Booklet
A bound reading of nine American Stories investigations: how U.S. newspapers narrated catastrophe, violence, and reform between 1898 and 1933. Opens with the data and the GABRIEL method behind every article.
BlogAI’s Split-Screen Politics
Left-leaning channels cast AI as a classroom, a risk, and a governance problem; right-leaning channels cast it as a business engine, a productivity tool, and a national race.
AppInsight Digest
AI-generated book summaries to read or listen to — across philosophy, psychology, self-help, history, and geopolitics.
AppWorldlines — The World in Numbers
A cross-country indicators explorer — 85 measures of development, democracy, belief, and wellbeing across 217 countries (1750–2025), with country profiles, rankings, and peer benchmarking.
TeachingNewBeyond the Stochastic Parrot — Chomsky, LLMs, and the Nature of Meaning
An interactive essay on the stochastic-parrot debate: what Chomsky claims, how language models actually work, and what the evidence says about machine understanding.
TeachingNewThe Dead They Didn't Count
18,863 newspaper articles show how the American press framed the Titanic: quick to blame the company and mourn the spectacle, but nearly silent on the immigrant poor in steerage who died in the greatest numbers.