Scale of black holes

I’m not sure there’s any way to really understand the scale of the largest black holes in the universe, but Kurzgesagt gives it a good try. Tags: black hole, Kurzgesagt, scale, space

Drop rain anywhere in the world and see where it ends up

One of my favorites of the year, Sam Learner’s River Runner shows you a terrain map that lets you place a drop of rain anywhere in the contiguous United States. You’re then taken on a river tour that shows where the drop ends up. Learner just expanded the...

Analysis of Facebook groups before January 6

The Washington Post and ProPublica analyzed Facebook group posts that disputed election results: To determine the extent of posts attacking Biden’s victory, The Post and ProPublica obtained a unique dataset of 100,000 groups and their posts, along with metadata and...

False positives with prenatal tests for rare conditions

Sarah Kliff and Aatish Bhatia for NYT’s The Upshot look at the uncertainty of prenatal tests for rare conditions. For some tests, the results are more often wrong than they are right, which causes issues when expecting parents don’t know that. Along with...

Best Data Visualization Projects of 2021

Phew, just made it. These are my favorite data visualization projects from 2021. Like last year, there were many Covid-related charts on the internets this year. While they are important to gauge the state of things, I found myself veering away from them to focus on...

✚ Visualization Tools and Resources, December 2021 Roundup

Welcome to issue #170 of The Process, the newsletter for FlowingData members on how the charts get made. I’m Nathan Yau, and every month I collect visualization tools and resources to help you make better charts. This is the good stuff for December. Become a...

Church of the 95% Confidence Interval

This is Hallgrímskirkja, a church in Reykjavík, Iceland. It will now also be known as the Church of the 95% Confidence Interval. The Church of the 95% Confidence Interval #rstats pic.twitter.com/m0gvvu2Dav — Julien Cloarec (@CloarecJulien) December 5, 2021 Tags:...

David Rumsey Map Center, cataloging historical works

The David Rumsey Map Center at Stanford houses hundreds of thousands of maps dating back to the 1500s. Andres Picon for San Francisco Chronicle wrote about the collection: At the heart of that endeavor is the digitization of Rumsey’s vast physical collection, a...

Anonymized data is rarely anonymous

Justin Sherman for Wired points out the farce that is anonymized data: Data on hundreds of millions of Americans’ races, genders, ethnicities, religions, sexual orientations, political beliefs, internet searches, drug prescriptions, and GPS location histories (to name...

Covid-19 mortality before and after vaccine eligibility

Denise Lu and Albert Sun for The New York Times show the shifts in Covid-19 deaths among different demographic groups: The change in death rates among groups is starker by race and ethnicity, and the death rate has risen particularly sharply for middle-aged white...