

What's being done in Tahlequah to save the native language.

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Katie Hill is a transgender teen from Bixby chronicled in an award-winning Tulsa World series "Becoming Katie."

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The epidemic is driving up costs for health care, law enforcement, lab cleanup, property damage and incarceration.

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An occasional video series highlighting some of Tulsa's most motivated residents.

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Stories, results and local reaction leading up to the Nov. 6 election.

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Katie wasn't born a girl. But she always knew she was meant to be one. Read the two-part series about the transgendered teen from Bixby.

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Why Oklahoma sends more women to prison than any other state on a per capita basis.

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A conversation about Tulsa's Race Riot and racism today.

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Read interviews and see photos of the class of 2000 through the years and watch video interviews.

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An occasional series on the life of 18-year-old Jerisha Walker, who has aged out of the foster-care system.

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She became the Cherokee Nation's first woman principal chief. Read about her life, sign the guestbook and more.

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Reporters for the Tulsa World and The Oklahoman spent six months reviewing more than 40,000 records on residential care homes and Intermediate Care Facilities for the Mentally Retarded.

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Read stories about Oral Roberts, view slideshows and watch an interactive timeline of his life and career as an evangelist.

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View an interactive timeline of the arena's first year, find out who Tulsans most want to see perform at the BOK Center and view a calendar of upcoming events.

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Read profiles of six families who have recently turned to social services for the first time and watch video interviews.

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Read more about Hard Rock Hotel and Casino, take a video tour and view aerial footage of the grounds.

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Read previous stories, see renderings of the proposed stadium and view related documents connected to the new ONEOK Field.

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Changes are coming to Tulsa’s residential trash service as the collection contract is being competitively bid for the first time in three decades.

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Read more about Tulsa’s cold-case-missing-persons investigations and watch a video.

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Read both stories in the special series, listen to interviews with home-school parents and watch a video.

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Read all the stories in the special series examining dropouts in Oklahoma, watch slide shows and more.

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View an online memorial to the Oklahomans who have died in Iraq and Afghanistan.

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Find out how much property values have changed in Tulsa County neighborhoods.

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Reporter Michael Overall and photographer Mike Simons go inside the Clear Creek Monastery. View the series site that includes all the stories and an audio slideshow of pictures taken at the monastery.

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Oklahoma ranks near the top nationally in the number of breeders and disturbing reports of neglect and abuse in puppy mills are not uncommon. In this series, the World explores issues including treatment, economics and oversight. You can also search a database of inspection reports.

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Find details on each homicide case in Tulsa from 1989 to the present.

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Oklahoma's 45th Infantry Brigade is active in the Middle East as the wars come to a close.

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Read more about the Oklahoma City bombing, watch a video of Tulsa World staff recalling their experiences and share your thoughts.

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This three-part series examines Oklahoma's suicide rate and surrounding issues. Read all of the stories, watch video interviews with families and individuals affected by suicide and learn more about the warning signs and resources for getting help.

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For three decades, Tulsa’s Crime Stoppers program has been cracking down on crime by paying rewards to people who report criminals to police. Read about the program and some of the most notable cases.

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In 300 words or less, send us your own ideas if you were put in charge of the city for a day.

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Since 2005, Tulsa schools have called police more than 9,450 times and reported nearly 500 cases of possible child abuse. Calls cover everything from assaults to and drug use.

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Margo Battle knows what her 9-year-old son is up against. His father is in prison. He comes from a low-income family. And lives in a neighborhood troubled by gang violence.

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Read stories by and about Rogers from the Tulsa World archive, view an interactive timeline detailing his life and career, see slide shows with more than 100 photos, take a video tour of the museum and more.

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This exclusive investigation shows the human toll of the more than 500 homicides in the city from 1989 through 2007, including videos telling the story of eight victims and searchable database on every case.

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The U.S. census bureau counts 3,617,316 people living in Oklahoma. Each one unique. Each one a story. Together, they make Oklahoma one-of-a-kind.

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On Oct. 2, 2007, three former Oral Roberts University professors filed a lawsuit against the school and four administrators alleging wrongful termination and wrongful causing of one professor's resignation.

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For the first time, the Tulsa World follows one prisoner through the gate at the Lexington Assessment and Reception Center, where all Oklahoma inmates begin their sentences.

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House Bill 1804 became law on Nov. 1, 2007. It makes it illegal to knowingly transport illegal aliens, and creates barriers to hiring illegal aliens.

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Read the investigative series on the state's child-care system and search a database of child care home inspection reports by facility owner name, address, city or ZIP code.

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Announcement of the Kialegee Tribal Town's Red Clay Casino in Broken Arrow came to a surprise to residents, resulting in public meetings, protests and a legal battle.

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This series takes a look at the problems, how it affects all Oklahomans and what can be done to change it.

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