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The Nerd Blog

Antebellum Data Journalism: Or, How Big Data Busted Abe Lincoln

An 1848 investigative news story that relied on heavy data analysis snared big fish, including two future presidents.

One Year, 2,000+ Downloads: Here’s How Our Data Store Is Doing

A year after we launched it, here’s what our Data Store looks like.

What I Learned From My Fellowship at ProPublica

News applications fellow Yue Qiu reflects on her seven months on ProPublica's news apps team.

Reporting Recipe: How to Investigate Health Professionals

We've launched two 50-state guides to researching the license and disciplinary records of doctors, nurses and other healthcare professionals.

Reporting From the Youngest Land in the World

How we got aerial photographs for our project on Louisiana’s effort to save its southeastern coast.

How to Ask Programming Questions

A guide to getting your programming questions answered on the Internet.

A Big Article About Wee Things

"The details are not the details. They MAKE the design." A guide to using little things to make better graphics and interactives.

Why We Removed the Form 990 PDFs From Nonprofit Explorer

Last month, we removed links to download Form 990 document PDFs from our Nonprofit Explorer interactive database.

The Road to Health is Paved With Good Data

The nonprofit Health Data Consortium held its fifth-annual Health Datapalooza last week in Washington, D.C. Here are some highlights.

ProPublica News Applications Desk Receives Data Journalism Award

The Global Editors Network recognized ProPublica one of eight Data Journalism Awards, announced today in Barcelona.

The Sisterhood of the Traveling Plants

Last week, news apps developers from ProPublica participated in a "Future of Food" hackathon sponsored by National Geographic.

Introducing Landline and Stateline: Two Tools For Quick Vector Maps in your Browser

Today we're releasing code to make it easier for newsrooms to produce maps quickly.

What Heartbleed Means for Newsrooms

What newsroom developers can do about the Heartbleed security bug.

A Conceptual Model for Interactive Databases in News

As part of a conference about archiving news applications, a group of journalists developed a framework to understand how interactive databases -- sometimes called news applications -- are made.

How to Start Learning to Program

How to Send Us Files More Securely

We’ve launched a more secure way for sources to send us sensitive messages and files.

How We Made the 3-D New York City Flood Map

We used features only available in the most modern web browsers to create the interactive map of the city's flood zones.

Calculating ‘The Price of an Internship’

How much do you pay in tuition to take an internship? Here's how we calculate tuition share in "The Price of an Internship."

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