Fact-Checking Feinstein on the Assault Weapons Ban

Correction, Sept. 24, 2014: Due to an editing error, an earlier version of this story incorrectly referred to a round of ammunition as a "bullet." Properly speaking, ammunition rounds include not just the bullet, but also propellant, primer, and case.

Old Debts, Fresh Pain: Weak Laws Offer Debtors Little Protection

Correction, Sept. 16, 2014: This story and an accompanying photo caption originally misattributed a quote about “feeling hopeless” to Conrad Goetzinger. It was his fiancée, Cassandra Rose, who said it.

Why Do Democrats Keep Trying to Ban Guns That Look Scary, Not the Guns That Kill the Most People?

Correction, Sept. 12, 2014: An earlier version of this article incorrectly cited a statistic on the use of handguns in killings in the United States in the early 1990s. They were used in more than 80 percent of gun murders — not all murders. Also, this article has been clarified to note that before Democrats succeeded in banning a category of guns called "assault weapons," the firearms industry had used similar language to market civilian semiautomatic versions of military guns.

A Judge’s Status, Robed in Silence

Correction, Sept. 2, 2014: This article incorrectly characterized Lawrence Goldman’s position on disciplining judges who have engaged in misconduct. Goldman, a former member of the New York State Commission on Judicial Misconduct, favors allowing the commission to impose, in certain circumstances, a temporary suspension for a judge found to have erred, but whose conduct does not warrant removal from the bench. He does not favor allowing the commission to suspend a judge during an active investigation.

Does Valeant’s Cost-Cutting Go Too Far?

Correction, Jul. 30, 2014: An earlier version of this column incorrectly stated that Ryan Weldon was the head of Valeant's aesthetics business. Weldon no longer works for the company.

Privacy Tools: How to Block Online Tracking

Correction, Jul. 3, 2014: A previous version of this article misspelled an Electronic Frontier Foundation technologist’s last name. His name is Cooper Quintin, not Quentin.

Violent and Legal: The Shocking Ways School Kids Are Being Pinned Down, Isolated Against Their Will

Correction, June 19, 2014: An illustration on this story previously stated that Minnesota does not allow prone restraints on disabled children and that the state will ban the tactics in August 2015. In fact, Minnesota allows the use of prone restraints in an emergency, on disabled children aged five or older. Minnesota is currently enacting regulations to limit prone restraints, and it is uncertain changes in prone restraint regulations will occur by August 2015.

Iowa Court Tosses Sentence in HIV Exposure Case

Correction, Jun. 16, 2014: This story originally said Iowa’s new HIV transmission law was opposed by some advocates in the state and nationally. It was not opposed by advocates in the state.

Myth vs. Fact: Violence and Mental Health

Correction, Jun. 10, 2014: A sub-headline for this article incorrectly identified Dr. Swanson as a psychiatrist. Dr. Swanson, a professor in psychiatry and behavioral sciences at the Duke University School of Medicine, is a medical sociologist.

Correction, Jun. 10, 2014: An earlier version of this story misstated one of the findings of a gun study. After Connecticut added mental health records to its background check system, people who had been disqualified from owning a gun showed a 53 drop, not a 6 percent drop, in their likelihood of committing a violent crime.

MIA In The War On Cancer: Where Are The Low-Cost Treatments?

Correction, Apr. 23, 2014: An earlier version of this article incorrectly spelled the name of oncologist Gauri Bhide as Guari Bhide.

In Fracking Fight, a Worry About How Best to Measure Health Threats

Correction, Apr. 1, 2014: An earlier version of this story mistakenly said that the Marcellus shale formation had produced two million cubic feet of gas by 2012. In fact, it had produced two trillion cubic feet of gas.

Correction, Apr. 1, 2014: An earlier version of this story incorrectly spelled the name of Jon Dailey in a caption. In fact, his name is spelled John.

Feds to Look Harder at Cell Carriers When Tower Climbers Die

Correction, Apr. 1, 2014: An earlier version of this story mistakenly said that the Marcellus shale formation had produced two million cubic feet of gas by 2012. In fact, it had produced two trillion cubic feet of gas.

Correction, Apr. 1, 2014: An earlier version of this story incorrectly spelled the name of Jon Dailey in a caption. In fact, his name is spelled John.

Four Ways to Really Fix the Pentagon’s Effort to ID the Missing

Correction, Mar. 14, 2014: We mistakenly published a non-final draft of this article, and have since replaced that copy in its entirety with what you see on this page. The differences were entirely stylistic and there were no changes of fact.

The Military is Leaving the Missing Behind

Correction, Mar. 6, 2014: An earlier version of this story mistakenly said the wife of John Eakin was Joan. In fact, her name is Jean.

Hydrogen Fuel Set to Take Off, But Safety Concerns Remain

Correction, Feb. 18, 2014: An earlier version of this story said that Gov. Jerry Brown had agreed to spend over $2 billion on hydrogen fueling stations. Gov. Brown has allocated $2 billion for clean-vehicle incentives over the next ten years. $20 million a year has been set aside specifically for hydrogen-fueling stations.

When a University Hospital Backs a Surgical Robot, Controversy Ensues

Correction, Feb. 14, 2014: An earlier version of this story incorrectly spelled the name of Merrillville, Indiana as Merryville, Indiana.

The PTSD Crisis That’s Being Ignored: Americans Wounded in Their Own Neighborhoods

Correction, Feb. 3, 2014: An earlier version of this story said that ProPublica surveyed a top-level trauma center in each of the 22 cities with the nation’s highest homicide rates. In fact, we surveyed trauma centers in only 21 of the cities with the nation’s highest homicide rates. We mistakenly included Dallas in this survey. It only ranks 46th among cities with a population of at least 100,000, according to 2012 FBI statistics.

Gitmo Diary: Visiting the U.S.’s Most Infamous Courtroom

Correction, June 12, 2013: This story previously said Guantanamo Bay's courtroom is housed in the "Expeditionary Legal Center.” In fact it's housed in the "Expeditionary Legal Complex.

Dollars for Docs: The Top Earners

Correction, March 12, 2013: This post mistakenly listed Warren Joseph’s location as Coatesville, Pa. In fact, he sees patients in Philadelphia and has not worked in Coatesville for several years. This post has also been updated with comments from Joseph.

How an Obscure Federal Rule Could Be Shaking Up Presidential Politics

Correction, Aug. 27, 2012: This post originally said that the federal rules posed a challenge in 2004 when Alaska Gov. Sarah Palin was chosen by Sen. John McCain to be his running mate. It was actually in 2008.