2022 — How often the first round of the NBA and NHL playoffs have upsets, sweeps, and game 7s.

2021 — COVID-19 data updated daily.

2020 — Per capita positive test rates by zip codes in Maryland.

2020 — A look at the top rock music festivals in the US.

2019 — How well MLB teams performed after a certain date in 2019.

2018 — Which metro areas have faced each other most often in a championship game.

2017 — How long it's been since a professional sports team from Washington, D.C. made the finals and won the championship.

2017 — How different will your typical income tax be if you're married? It's not always a tax benefit to be married.

2017 — Looking at relevant football games (all Super Bowls and 2016 season games), what can we learn about which squares are the most likely to hit?

2017 — A look at how the Atlantic Ocean connects to the Great Lakes and the important locks and cities along the way.

2017 — Click on lakes to see which states have lakeshore access, or click on states to see which lakes they have lakeshore access to.

2017 — A look at the schools that have won the most NCAA championships. As of May 22, 2017, UCLA and Stanford are tied for the most with 113 each!

2016 — A look at the schools that have won the most NCAA championships. This includes Stanford, who has won at least one title each of the last 41 years!

2016 — Breaking down the top recent NCAA and NFL rushing performances by carry to figure out what it takes to put together a big rushing day.

2016 — A look at the sports histories of the metros represented in the 2016 MLB semifinals: Chicago, Cleveland, Los Angeles, and Toronto.

2016 — Maps and treemaps that shown the distribution of U.S. population across cities and metropolitan areas.

2016 — How many people live in states that border either the Atlantic or Pacific Ocean? How many people live in counties that border a major body of water?

2016 — This shows the U.S. broken down into different time zones (Eastern, Central, etc.) and shows what percentage of the population lives in each zone.

2016 — How have U.S. states voted in each presidential election from 1964 to 2012? Which states are definitely red, and and which states are definitely blue?

2016 — Which country holds the longest current streak for winning a gold medal in the same sport for the most consecutive Summer Olympics? Answered here.

2016 — This visualization shows all the U.S. medal winners in Athletics at the Summer Olympics, 1896-2016. In particular, it shows off surprises in Rio.

2016 — Which Summer Olympics sports are dominated by certain countries? Look up a sport or event to see how often a country has won gold or any medal.

2016 — A look at which countries have a greater ratio of female-to-male Summer Olympics medal winners than others. The data spans 1896-2012.

2016 — A look at how qualified Hillary Clinton and Donald Trump are compared to the 44 Presidents prior, whose prior experience is listed and categorized.

2016 — A look at the 36 Hall of Fame players signed to teams since 1965, when the Major League Baseball Draft began. Why do Griffey and Piazza stand out?

2016 — The 2016 British Open was strange for a major golf tournament: 3rd place finished 11 strokes behind the runner-up. Let's compare to other finishes.

2016 — Differences between the Republican VP announcement speeches in 2012 (Mitt Romney for Paul Ryan) versus 2016 (Donald Trump for Mike Pence).