Close Comment Creative Commons Donate Email Facebook Mobile Phone Podcast Print RSS Search Search Signal Twitter WhatsApp YouTube

The Nerd Blog

How we make stuff.

Secrets for data journalists, developers, newsroom designers, engagement specialists, and more.

Featured

Meet Column Setter

We developed an open source tool for building custom responsive grids that work in older browsers.

Reinventing Represent

We asked readers to help us reconceive and redesign an interactive database that tracks Congress. Here’s how the process worked.

Other Entries

How ProPublica Illinois Uses GNU Make to Load 1.4GB of Data Every Day

We’ve open-sourced our code for loading Illinois campaign finance data. The process used to take hours. Learn how Make helped cut that down to less than 30 minutes.

New in the Congress API: Lobbying Registrations and More

Our Congress API now lets programmers access lobbying data. It also lets them find congressional press releases that mention bills.

Get an Inside Look at the Department of Defense’s Struggle to Fix Pollution at More Than 39,000 Sites

For the first time, the Pentagon’s internal database used to track its environmental problems is available to the public.

How You Can Keep Track of the Money Political Committees Spend at Trump Properties

Our FEC Itemizer Database now tracks spending at hotels, restaurants and other facilities owned by the Trump Organization.

What Is Congress Talking About?

We’re using data to track the things Congress talks a disproportionate amount about every week.

New in Nonprofit Explorer: People Search

You can now search for people who work for nonprofit organizations.

New Widget Helps You Follow the Money in the Illinois Governor’s Race

We’ve created a widget you can use to track fundraising and spending in the Illinois governor’s race, which is on track to break records.

Lobbying Database Reporting Recipe

We’ve made it easier to sift through thousands of lobbying registration disclosures. Here’s a guide for journalists, researchers and citizens looking for stories in the data.

Covering the Midterms With Election DataBot

It’s not too early to think about reporting on the midterm elections. Get a head start using our free, near-real-time database.

More Machine Learning About Congress’ Priorities

We keep training machine learning models on Congress. Find out what this one learned about lawmakers’ top issues.

Announcing Free Videos and Training Materials From the ProPublica Data Institute

Couldn’t come to the ProPublica Data Institute? Now you can learn some of the lessons from home.

Chamber of Secrets: Teaching a Machine What Congress Cares About

Want to know what distinctive topics your members of Congress are concerned about? Represent’s got you covered.

City Bureau and ProPublica Illinois Partner on Public Meeting Data

Why City Bureau and ProPublica are partnering on a community tool to make public meeting data more accessible.

Introducing Our Data Journalism Advisers

Announcing four researchers who will advise us on our data-journalism projects.

Welcome to the New ProPublica.org

A new publishing system brings a refreshed design and improved features to our site.

Bulk Downloads of Congressional Data Now Available

Download information on every bill introduced in each session of Congress, in a single file, with our new bulk bill data set.

Nonprofit Explorer Update: Full Text of 1.9 Million Records

We’ve updated Nonprofit Explorer. Here’s what’s new.

Keep an Eye On Your State’s Congressional Delegation

We’ve added new features to our Represent project, including full-text bill search, and a way to keep track of your state’s entire congressional delegation on one page. We’ve also got news about the Congress API.

How (and Why) We’re Collecting Cook County Jail Data

ProPublica Illinois is restarting a collaborative data collection project to better understand what happens to inmates at Cook County Jail.

Authenticating Email Using DKIM and ARC, or How We Analyzed the Kasowitz Emails

Last week we needed to authenticate some emails sent by the President’s lawyer, Marc Kasowitz. Here’s how we did it.

Follow ProPublica

Our Latest Stories

Current site Current page