Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Cracking and packing are the main tactics behind gerrymandering

Cracking and packing are gerrymandering techniques. Cracking splits opposing voters across districts, diluting their power. Packing concentrates their votes into a few districts, wasting them in overwhelming majorities for one party.

Test your gerrymandering skills with this interactive game

This simulation demonstrates how packing and cracking alter election outcomes. See how shifting district lines can change representation—regardless of the overall makeup of the electorate.

Hear how gerrymandering is like 'Moneyball applied to politics'

In a 2016 interview, journalist David Daley explained how Republicans used data-driven targeting after the 2010 census to lock in durable advantages, comparing modern gerrymandering strategies to the analytics revolution in baseball.

See the most oddly gerrymandered districts in the US

Based on input from redistricting experts and political scientists, this resource identifies and ranks the most extreme congressional gerrymanders of the 2020s, examining how map design, cracking, and packing reduce competition and distort representation across states.

How algorithmic redistricting works

Computational methods are convincing a number of judges that some state district maps are drawn illegally. Here's a simple overview of how it works.

Researchers found that 2020 redistricting tactics created safer districts and reduced competition

Studies of the 2020 redistricting cycle show that map-drawing strategies locked in predictable outcomes. The result was fewer competitive races, more incumbents shielded from challengers, and representatives less responsive to broader voter preferences.

Can courts end partisan gerrymandering?

This podcast explored whether courts can rein in partisan map-drawing, focusing on North Carolina's 2023 redistricting battle, the Moore v. Harper case, and the controversial "independent state legislature" theory.

Thomas Hofeller was the GOP strategist known as the 'master of gerrymandering'

Republican consultant Thomas Hofeller quietly shaped US politics for decades by engineering partisan maps nationwide. His files, released after his death, revealed strategies to maximize GOP advantage and diminish Democratic influence.

Nate Silver argues the Electoral College can reduce the impact of excess votes

In this article, Silver weighs the Electoral College's flaws—especially popular-vote inversions—against its advantages, arguing it can limit the effect of surplus votes in heavily one-sided states and encourage broader competition.

Court-packing is the attempt to change the number of Supreme Court justices to shift the balance

Because the Constitution leaves the court's size to Congress, presidents have periodically sought to expand or reshape it. This explainer examines past efforts—including Franklin D. Roosevelt's failed 1937 plan—and why court-packing remains so controversial.

Ranked-choice voting redistributes ballots until a candidate wins a majority

In ranked-choice voting, voters rank candidates in order of preference. If no one wins a majority, the lowest-ranked candidate is eliminated, and their votes are reassigned until a candidate surpasses 50%, avoiding separate runoff elections.

Critics argue that term limits weaken democracy and legislative effectiveness

Opponents contend that term limits deprive voters of choice, remove experienced lawmakers, and shift power to lobbyists and unelected staff. They believe frequent turnover reduces institutional knowledge and undermines the effectiveness of legislatures.

Explore jury nullification, the little-known power that lets jurors ignore the law and acquit anyway

When jurors disagree with a law, they can simply vote to acquit regardless of the evidence; however, this practice is rare, and the legal system actively discourages it. This podcast traces its history from a Quaker prayer meeting in London to the LA riots.

Southern states enacted voting restrictions aimed at circumventing Reconstruction

After 1877, former Confederate states passed poll taxes, literacy tests, property requirements, and grandfather clauses to disenfranchise Black voters—restrictions that remained in place for nearly a century until the Voting Rights Act of 1965.

The firms running America's voting systems

Three companies make up over 90% of the US market share around voting systems, and like any company, they're priorities aren't always aligned with the public's. Dive into the industry of voting machines in this investigation piece from the Guardian.

An excellent look at how Democrats lose working class voters.

Democrats fear they are losing white swing voters over racial politics. Three studies suggest that the party’s elite culture may be the real problem.

Consolidated city-county governments merge two layers of local government into one

A city-county consolidation removes a layer of local government by merging a municipality with its surrounding county. Examples include Jacksonville-Duval County, Louisville-Jefferson County, and San Francisco, all of which operate as both cities and counties.

Sharp partisan divides shape how Americans view immigration enforcement

A January 2026 survey shows large party gaps: Both sides broadly support recording arrests, but Democrats are much more likely than Republicans to support sharing officer locations and to oppose profiling, masked officers, and neighborhood-based enforcement.

Federalism creates tension between national and state power by design

Federalism assigns authority so that neither the national government nor the states entirely dominate the other or the people they govern. By creating overlapping claims of power, the system makes negotiation, conflict, and compromise a permanent feature rather than a failure.

Despite being favored by 87% of Americans, Congress does not have term limits.

'Dilution' is any use of a trademark that weakens its distinctiveness

Unlike trademark infringement that hinges on the likelihood of confusing customers, trademark dilution is an illegal practice that threatens the distinctiveness of a trademark. In the US, famous brands like Nike and Google have a right to protection from dilution.

Congressional committees quietly shape most legislation

This video explains how 20 congressional committees—standing, select, and conference—perform much of Congress's work, from drafting legislation and holding hearings to overseeing executive branch agencies.

Political sloganeering is often downstream of memes

In 2018, #JobsNotMobs morphed from an internet meme into a conservative slogan. A video clip of angry protesters mixed with news anchors discouraging the use of the word "mob" posted on October 11, birthed the phrase. By October 19, it was adapted into a Republican party slogan.

How congestion pricing is trying to fix downtowns

Billions of gallons of gas are wasted each year as US drivers sit in traffic losing billions of hours of time. The congestion problems big downtowns face has led to innovative interventions to try to stop the traffic, including congestion pricing, a...

What did democracy really mean in Athens?

Ancient Athens chose the vast majority of its public servants by lottery, a process of random selection known as sortition. Roughly 30,000 people were eligible for the lottery to serve as jurors, magistrates, and more. Monthly assemblies called the "ekklesia" occurred where anyone could attend and speak, but 500 governing council members called the "Boule" set the agenda.

Critics believe Grammy expert panels primarily benefit legacy artists

When the expert review panels for the Big Four awards were disbanded, it was with the hope that the decision would lead to a broader range of nominees and winners. But, in practice, it's not clear that it's playing out that way.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Exploring the Larry Bird punch that almost changed March Madness

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Learn how monoclonal antibodies, which mimic the body's antibodies, can fight diseases like Ebola.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Firework or sparkler burns, even if they cover a relatively small area of skin, can significantly affect our range of motion.

Coral polyps reproduce via broadcast spawning, where entire reefs simultaneously release reproductive cells for about one hour, once a year.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.