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May 24, 2013
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      One of only a couple gastropubs on the Northwest side of Tucson, The Parish, has made its mark by serving a variety of southern dishes, beers …

      • Updated: May 15
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      The Tucson Padres return home for an exciting eight-game homestand against the top two teams in the Southern Division – the Sacramento River C…

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      This year’s summer blockbuster season is shaping up to be a big one, full of some of the year’s most highly anticipated films.

      • posted: May 24
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    • Mount Lemmon Sky Ride now open through September

      The Mt. Lemmon Ski Valley ski lift is now open as a Sky Ride, Thursdays through Mondays, during the summer. A ride on the Sky Ride to the summ…

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Displaying results 1 - 25 of 100 for sub. Subscribe to this search

  1. article Making our country a little more sane

    Wednesday, May 8, 2013 4:00 am

    In the May 1 Explorer Dana Schulte says  “we need to research” who is responsible for mass killings, as in Newtown and Aurora and then have legislation “target them and not the law abiding citizen”.

  2. pdf NRA National School Shield plan

    Tuesday, April 2, 2013 1:04 pm

  3. article Best of the Northwest 2013 - Explorer staff picks

    Wednesday, March 27, 2013 4:00 am

    Sheryl Kocher - Receptionist

  4. article Deck DIY: Five tips to upgrade your outdoor living space for summer

    Tuesday, March 26, 2013 10:00 pm

    (BPT) - From grilling and dining to simply relaxing, your home’s deck is frequently the center of family life during warm weather months. That’s why there’s no better time to give your outdoor living space the upgrade it deserves.

    1 image

  5. pdf Saturday Crossword 3-16-13

    Saturday, March 16, 2013 12:00 am

  6. article Observations From the Field: Changes in Mechanical Engineering

    Thursday, March 14, 2013 12:49 pm

    (NewsUSA) - The face of mechanical engineering is changing -- dramatically. Engineers aged 55 to 60 are retiring, taking vital knowledge with them. The young engineers who will replace them are focused on specialization, branching off into sub-disciplines and job-hopping.

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  7. article A borrower's guide to impressing a mortgage lender

    Monday, March 4, 2013 11:00 pm

    (BPT) - Who doesn’t like to make a good impression? Whether it’s a first date, meeting the future in-laws for the first time or interviewing for a job, making a good first impression can pave the way for some of life’s happiest experiences. That’s especially true for home-buyers, whose ability to secure their dream home depends on first impressing a mortgage lender.

    1 image

  8. article What's Up UA? - Human Y Chromosome Much Older Than Previously Thought

    Monday, March 4, 2013 3:05 pm

    UA geneticists have discovered the oldest known genetic branch of the human Y chromosome – the hereditary factor determining male sex.
     
    The new divergent lineage, which was found in an individual who submitted his DNA to Family Tree DNA, a company specializing in DNA analysis to trace family roots, branched from the Y chromosome tree before the first appearance of anatomically modern humans in the fossil record.
     
    The results are published in the American Journal of Human Genetics.
     
    "Our analysis indicates this lineage diverged from previously known Y chromosomes about 300,000 ago, a time when anatomically modern humans had not yet evolved," said Michael Hammer, an associate professor in the University of Arizona's department of ecology and evolutionary biology and a research scientist at the UA's Arizona Research Labs. "This pushes back the time the last common Y chromosome ancestor lived by almost 70 percent."
     
    Unlike the other human chromosomes, the majority of the Y chromosome does not exchange genetic material with other chromosomes, which makes it simpler to trace ancestral relationships among contemporary lineages. If two Y chromosomes carry the same mutation, it is because they share a common paternal ancestor at some point in the past. The more mutations that differ between two Y chromosomes the farther back in time the common ancestor lived.
     
    Originally, a DNA sample obtained from an African American living in South Carolina was submitted to the National Geographic Genographic Project. When none of the genetic markers used to assign lineages to known Y chromosome groupings were found, the DNA sample was sent to Family Tree DNA for sequencing. Fernando Mendez, a postdoctoral researcher in Hammer's lab, led the effort to analyze the DNA sequence, which included more than 240,000 base pairs of the Y chromosome.
     
    Hammer said "the most striking feature of this research is that a consumer genetic testing company identified a lineage that didn't fit anywhere on the existing Y chromosome tree, even though the tree had been constructed based on perhaps a half-million individuals or more. Nobody expected to find anything like this."
     
    About 300,000 years ago falls around the time the Neanderthals are believed to have split from the ancestral human lineage. It was not until more than 100,000 years later that anatomically modern humans appear in the fossil record. They differ from the more archaic forms by a more lightly built skeleton, a smaller face tucked under a high forehead, the absence of a cranial ridge and smaller chins. 
     
    Hammer said the newly discovered Y chromosome variation is extremely rare. Through large database searches, his team eventually was able to find a similar chromosome in the Mbo, a population living in a tiny area of western Cameroon  in sub-Saharan Africa.  
     
    "This was surprising because previously the most diverged branches of the Y chromosome were found in traditional hunter-gatherer populations such as Pygmies and the click-speaking KhoeSan, who are considered to be the most diverged human populations living today."
     
    "Instead, the sample matched the Y chromosome DNA of 11 men, who all came from a very small region of western Cameroon," Hammer said. "And the sequences of those individuals are variable, so it's not like they all descended from the same grandfather."
     
    Hammer cautions against popular concepts of "mitochondrial Eve" or "Y chromosome Adam" that suggest all of humankind descended from exactly one pair of humans that lived at a certain point in human evolution.
     
    "There has been too much emphasis on this in the past," he said. "It is a misconception that the genealogy of a single genetic region reflects population divergence. Instead, our results suggest that there are pockets of genetically isolated communities that together preserve a great deal of human diversity."
     
    Still, Hammer said, "It is likely that other divergent lineages will be found, whether in Africa or among African-Americans in the U.S. and that some of these may further increase the age of the Y chromosome tree."
     
    He added: "There has been a lot of hype with people trying to trace their Y chromosome to different tribes, but this individual from South Carolina can say he did it."
     
    The study came about by combined efforts of a private business, Family Tree DNA, the efforts of a citizen scientist, Bonnie Schrack, and the research capabilities at the UA.
     

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  9. article Prime Time Review - 'Identity Thief' robs viewers of time and money

    Friday, February 15, 2013 10:56 am

    After achieving a $35 million opening weekend, the Seth Gordon-directed "Identity Thief" has staked its claim on the pockets and purses of the public. The new release falls into the sub-genres of buddy films and road comedies such as "Planes, Trains, and Automobiles," "Dumb and Dumber," and "Tommy Boy".

    2 images

  10. article Police Blotter

    Wednesday, January 23, 2013 4:00 am

    Marana

  11. pdf 2013 Explorer Media Kit

    Friday, January 11, 2013 11:00 am

  12. pdf 2013 Media Kit

    Thursday, January 10, 2013 3:50 pm

  13. article Take a Bite Out of Your Family’s Food Bills in the New Year

    Friday, December 28, 2012 11:00 pm

    (SPM Wire) If it seems like your grocery store bills are getting bigger, you’re not imagining it: food prices are on the rise, and poised to go higher.

    1 image

  14. article Business showing signs of recovery in Marana

    Wednesday, December 12, 2012 4:00 am

    Business seems to be improving and sprouting in new forms in Marana, from restaurants to health care facilities, and food markets to personal services providers, according to the Marana Chamber of Commerce.

  15. article What to Know When Choosing a Health Care Provider

    Monday, December 10, 2012 8:13 am

    (NewsUSA) - Consumers are more concerned than ever about making the right health care decisions, yet a national study from Healthgrades suggests that people actually spend more time researching their refrigerator purchase than their health care provider.

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  16. article Northwest Fire District receives grant for simulation center equipment

    Friday, October 26, 2012 12:00 pm

    Northwest Fire District (NWFD) is pleased to announce an event to celebrate the receipt of a $23, 800 grant from the non-profit Public Safety Foundation associated with Firehouse Subs restaurants. Grant funds will be used to enhance to NWFD’s Training Facility with the addition of an “Incident Command Simulation Center” that uses computer training equipment to create virtual fire scenes.

  17. article Northwest Fire District receives donation from Firehouse Subs

    Friday, October 26, 2012 10:22 am

    On Monday, Oct. 29, Firehouse Subs Public Safety Foundation is awarding the Northwest Fire District equipment in order to continue protecting and serving the residents of Pima County.

  18. article Prep sports with Harrison - A look at Week 8 and the playoffs

    Wednesday, October 17, 2012 4:58 pm

    The Ironwood Ridge Nighthawks improved to an 8-0 record after a 62-0 blowout against Flowing Wells last Friday. Looking ahead, the Nighthawks have a winless Catalina Foothills team on Friday followed by the final game of the regular season against the 8-1 Salpointe Lancers.

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  19. article Sports Perspective: Inconsistency in the NFL

    Wednesday, September 26, 2012 4:00 am

    As the NFL has successfully completed three weeks of its season, it’s clear that there is no consistency in penalties called or the way teams have been playing. Only three of the 32 teams in the league have been able to maintain a perfect record of 3-0.

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  20. article What's up UA - UA climate scientists put predictions to the test

    Wednesday, September 19, 2012 12:37 pm

    A new study has found that climate-prediction models are good at predicting long-term climate patterns on a global scale but lose their edge when applied to time frames shorter than three decades and on sub-continental scales.

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  21. article Sports Perspective: Wildcats win season opener

    Wednesday, September 5, 2012 3:44 pm

    In the new era of head coach, Rich Rodriguez, the Arizona Wildcats began their season with an overtime thriller beating the Toledo Rockets 24-17. The game really shouldn’t have been very close considering that no Pac-12 team has ever lost to Toledo. After UA kicker, John Bonano missed a 25-yard field goal as time expired in regulation, it was clear that the kicking curse at Arizona will continue.

    1 image

  22. article Police Reports

    Wednesday, August 15, 2012 4:00 am

    Oro Valley

  23. article Firehouse Subs now open in Marana Marketplace

    Wednesday, July 4, 2012 4:00 am

    Don’t worry if you drive by the intersection of River and Orange Grove road at lunchtime and you notice a fire truck parked inside the Marana Marketplace Shopping Center. Since Firehouse Subs, 3844 W. River Rd., opened its doors to the public on June 18, fire crews are seen there regularly.

    1 image

  24. Firehouse Subs

    Stephanie Norton, a cashier at the Firehouse Subs in Marana, takes a guest’s order of lunch to their table Monday afternoon. Firehouse Subs opened its restaurant on June 18.

  25. article Restaurant Rendezvous - CORE Kitchen offers Sunday brunch

    Wednesday, March 7, 2012 4:00 am

    When a resort like Ritz-Carlton, Dove Mountain offers a buffet, you expect the best. Their Sunday brunch buffet delivers.

    2 images

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Northwest Chatter

  • Marana Town Talk: Hot temperatures are here, don’t forget the pool

    Ed Honea, Special to The Explorer

    • icon posted: May 22
  • JTED is a helpful resource for students

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    • icon posted: May 22
  • Such the Spot - The audacious pursuit of dreams

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