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June 19, 2013
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    • Beloved Safeway manager says farewell

      As Oro Valley Safeway Manager Mike Hennings prepares for retirement after 42 years with the company, he says the career is all he’s ever known.

      • posted: June 19
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      Nearly three dozen soon-to-be high school students had a chance to learn from some of Tucson’s best football players while participating in Ca…

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      I am a little late coming to the party with the “Guernsey Literary and Potato Peel Pie Society”. It was a sensation when it was released in Ju…

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  1. article Democrats criticize voting law that is said to help the Republican Pary

    Wednesday, June 19, 2013 4:17 pm

    PHOENIX -- Gov. Jan Brewer penned her approval Wednesday to a series of changes in voting laws that Democrats and others say are designed to give her Republican Party an edge in future elections.

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  2. article Republicans legislators approve election measure

    Tuesday, June 18, 2013 3:41 pm

    Contending one and maybe two congressional races were stolen from them, Republican legislators have approved a measure to finesse election laws to keep out the Libertarians who they say are taking votes from their candidates.

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  3. article Community needs, solutions vie for spot in future county bond package

    Monday, June 17, 2013 9:54 am

    When the community was asked to identify priorities to take to voters in a potential November 2014 Pima County bond election, the result was approximately $1.3 billion worth of projects.

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  4. article Connect with Your Grandchildren Outdoors

    Sunday, June 16, 2013 7:27 pm

    Do you have treasured childhood memories of spending time outdoors with your parents or grandparents? Take the time to share this experience with your own grandchildren. Pack a lunch, put on some sunscreen and take them on your own hiking or fishing adventure.

  5. article Legislation would improve accuracy and efficiency while saving taxpayers money

    Wednesday, June 12, 2013 11:48 am

    Phoenix – With overwhelming bipartisan support from Arizona’s election community, legislation to correct issues that arose during the 2012 general election needs to be approved by the Legislature.

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  6. article (June 12) Today's Top Headlines - Top 10 stories for today

    Wednesday, June 12, 2013 10:43 am

    1. ACLU SUES TO STOP THE NSA FROM COLLECTING PHONE LOGS

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  7. article Racers Show Their Undies in Support of Colon Cancer Awareness

    Wednesday, June 12, 2013 8:03 am

    (NewsUSA) - Seven-time NASCAR champion Richard Petty has seen his fair share of races throughout his career. Yet, little could prepare him for the sight he'd see as nearly hundreds of people turned out for the Undy 5000 Track Walk benefitting the Colon Cancer Alliance (CCA).

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  8. article Navigating a lung cancer diagnosis

    Tuesday, June 11, 2013 5:00 pm

    (BPT) - Far too often, people make the mistake of assuming that lung cancer only affects people who smoke, but the disease can affect anyone. In fact, approximately 10 percent of patients with lung cancer have never smoked and approximately 50 percent of newly diagnosed lung cancer patients have already quit smoking.

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  9. article Ask the Doctor: What You Need to Know About Opioid Prescription Painkiller Addiction

    Monday, June 10, 2013 5:00 pm

    (BPT) - Americans are facing a growing epidemic: an equal opportunity disease, affecting individuals of all ages, genders, races and socioeconomic status. Opioid prescription painkiller addiction, a form of opioid dependence, is a chronic disease that affects the brain. Although many believe it is a result of a moral failing or lack of control, research shows opioid prescription painkiller addiction is a long-term medical condition that alters the brain’s chemistry, making it difficult for someone to stop. This means the brain has been affected by the disease.

  10. article Connect with Your Grandchildren Outdoors

    Saturday, June 8, 2013 4:00 am

    (StatePoint) Do you have treasured childhood memories of spending time outdoors with your parents or grandparents? Take the time to share this experience with your own grandchildren. Pack a lunch, put on some sunscreen and take them on your own hiking or fishing adventure.

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  11. article What's Up UA? - Astronomers Gear Up to Discover Earth-Like Planets

    Friday, June 7, 2013 12:05 pm

    If one looks only for the shiniest pennies in the fountain, chances are one misses most of the coins because they shimmer less brightly. This, in a nutshell, is the conundrum astronomers face when searching for Earth-like planets outside our solar system.
     
    Astronomers at the University of Arizona are part of an international team of exoplanets hunters developing new technology that would dramatically improve the odds of discovering planets with conditions suitable for life – such as having liquid water on the surface.
     
    The team presented its results at a scientific conference sponsored by the International Astronomical Union in Victoria, British Columbia.
     
    Terrestrial planets orbiting nearby stars often are concealed by vast clouds of dust enveloping the star and its system of planets. Our solar system, too, has a dust cloud, which consists mostly of debris left behind by clashing asteroids and exhaust spewing out of comets when they pass by the sun.
     
    "Current technology allows us to detect only the brightest clouds, those that are a few thousand times brighter than the one in our solar system," said Denis Defrère, a postdoctoral fellow in the UA'sdepartment of astronomy and instrument scientist of the Large Binocular Telescope Interferometer, or LBTI.
     
    He explained that while the brighter clouds are easier to see, their intense glare makes detecting putative Earth-like planets difficult, if not impossible. "We want to be able to detect fainter dust clouds, which would dramatically increase our chances of finding more of these planets."
     
    "If you see a dust cloud around a star, that's an indication of rocky debris, and it increases the likelihood of there being something Earth-like around that star," said Phil Hinz, an associate professor of astronomy at the UA's Steward Observatory. 
     
    "From previous observations, we know that these planets are fairly common," he added. "We can expect that if a space telescope dedicated to that mission were to look around a certain area of sky, we'd expect to find quite a few."
     
    Hinz and Defrère are working on an instrument that will allow astronomers to detect fainter clouds that are only about 10 times – instead of several thousand times – brighter than the one in our solar system. 
     
    "It's like being here in Victoria and trying to image a firefly circling a lighthouse in San Francisco that is shrouded in fog," Defrère said about the technological challenge. 
     
    "That level of sensitivity is the minimum we need for future space telescope missions that are to characterize Earth-like planets that can sustain liquid water on the surface," he explained. "Our goal is to eliminate the dust clouds that are too bright from the catalog of candidates because they are not promising targets to detect planets suitable for life."
     
    "With a bright dust cloud, which is 1,000 times brighter than the one in our solar system, its light becomes comparable to that of its star, which makes it easier to detect," explained Hinz. 
     
    Fainter clouds, on the other hand, can be about 10,000 times less bright than their star, so it becomes difficult or impossible for observers to make out their faint glow in the star's overpowering glare. 
     
    Funded by NASA, the team is in the middle of carrying out tests to demonstrate the feasibility of these observations using both apertures of the Large Binocular Telescope, or LBT, in Arizona. The project aims at determining how difficult it would be to achieve the desired results before committing to a billion-dollar space telescope mission. 
     
    According to Hinz, NASA's goal is to be able take a direct picture of Earth-like, rocky planets and record their spectrum of light to analyze their composition and characteristics such as temperature, presence of water and other parameters.
     
    "To do that, one would need a space telescope specifically designed for this type of imaging," he said. "Our goal is to do a feasibility study of whether it would be possible to distinguish the light emission of the planet from the background emission of the dust cloud through direct observation."
     
    The researchers take advantage of a technique known as nulling interferometry and the unique configuration of the LBT, which resembles a giant pair of binoculars. 
     
    "We combine the light from two apertures, cancel out the light from the central star, and with that it becomes easier to see the light from the dust cloud," Hinz explained. "To achieve this, we have to cause the two light paths to interfere with each other, which requires lining them up with very high precision. We'll always have some starlight left because of imperfections in the system, but our goal is to cancel it out to a level of 10,000 to get down to where we can at least detect the faint glow of the dust cloud."
     
    The work presented at the conference used the same technique with the two large telescopes of theKeck Observatory in Hawaii in order to detect the dust cloud around the star Fomalhaut located 25 light years from our sun. 
     
    "Based on our observations at the European Very Large Telescope Interferometer, we knew that Fomalhaut was surrounded by a bright dust cloud located very close to the star," said Jérémy Lebreton, principal investigator of the study, who is at the Institut de Planétologie et d'Astrophysique in Grenoble, France. 
     
    "Using the Keck Interferometer, we found out that Fomalhaut has a less bright, more diffuse cloud orbiting close to the habitable zone that resembles the Main Asteroid Belt in our solar system. This belt is likely in dynamical interaction with yet undetected planets."
     
    The study presented here is one in a series of three publications and was conducted in collaboration with the University of Amsterdam; the University of Liège in Belgium; NASA’s Jet Propulsion Laboratory at Caltech, Pasadena, Calif.; the University of Paris; and the University of Arizona in Tucson, Ariz. 
     
    Approximately 250 scientists from around the world convened at the scientific conference, Exploring the Formation and Evolution of Planetary Systems, held June 3-7 in Victoria to discuss the latest observations and theories about exoplanetary systems.
     

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  12. article What's Up UA? - UA Classical Guitar Program Among World’s Best

    Wednesday, June 5, 2013 5:33 pm

    Chilean Master's student Pablo Gonzalez first picked up a classical guitar when he was 8 years old. The Spanish guitar stayed with him through his early education and finally swept him north to the University of Arizona as a Fulbright scholar, where he joined the roughly 25 undergraduate and graduate students in the UA's Bolton Guitar Studies Program.

    "You can find it in almost any home in my country," Gonzalez said of classical guitar music.

    Students in the UA program hail from countries around the world, including France, Chile, Philippines, China, Brazil, Peru, Mexico, Argentina, Norway, Turkey and many others, drawn by the reputation of a music program like no other.

    Many elements of the Bolton guitar program are found in no other classical guitar program in the world such as four endowed guitar competitions supported by the D'Addario string company and by donors, said professorR. Thomas Patterson, who heads the program.

    With boons such as artists in residence David Russell, a world-renowned musician and recording artist, and Grammy Award winners Sérgio and Odair Assad, it may not be surprising that UA classical guitar students regularly win at national and international guitar competitions.

    "The Assad Brothers come for a week in the fall, and David Russell comes for a week in the spring, and they teach for a week and give concerts," said Julia Pernet, chairman of the Tucson Guitar Society. "I think that's a very unusual asset to have, to have that class of performing guitarists come and spend a week, and really know the students."

    Patterson, who joined the UA faculty in 1980, is credited by many for making the guitar program what it is today. "I wanted to make it a flagship, a model for other programs around the country, around the world," Patterson said.

    "If you ask other guitar professors what are their greatest achievements, they say, 'Well, I published this book, or that book,'" said Misael Barraza, a first year Master's student in the program, who recently won theMontreal International Competition. "If you ask Tom, he'll say, 'See this guitar champion, or that champion? This was my student.'"

    "One of the great things that Tom is able to do is assist students to get to these international competitions and to try themselves out against the world," Pernet added.

    "We've seen people make extraordinary moves within our program," said Patterson. "It's exciting to see a high-end person achieve an international prize, but someone who maybe you're taking a risk with, to see them succeed is absolutely amazing."

    Pernet brings world-renowned performing artists to Tucson every year through the Tucson Guitar Society. "Part of the agreement that I sign with them is that they will give master classes for the UA guitar program," she said.

    In 2011, Sanford and Phyllis Bolton, lifelong music lovers and supporters of classical guitar, gave $2 million to establish the Sanford and Phyllis Bolton Endowed Chair for Classical Guitar, a position held by professor Patterson. Shortly after, Bolton gave an additional $1.1 million, establishing the Sanford and Phyllis Bolton Endowment for Guitar. 

    "This was the largest gift of its kind in the history of fine arts," Patterson said, a gift that has enabled the program to support talented students who otherwise may not be able to pursue their dreams with acoustic guitar. In honor of the support, the program changed its name to the Bolton Guitar Studies Program.

    The reputation of the program, its calendar packed with events and activities, and the supportive student community have attracted classical guitar talents from many nations. "I'm here because of the reputation of the guitar program," said Ivar Fojas, who is from the Philippines and also a Fulbright scholar, entering the third year of his doctoral studies.

    "Normally, other guitar programs would have one or two recitals each semester," Fojas said. "We have them every single week. I've learned how to listen, to really be critical of myself."

    "That's really what makes the difference between players," Barraza added. "Is how well you can listen to yourself."

    The guitar program curriculum engages students in the community, with a public performance every Friday at 11 a.m. in the UA Museum of Art, and many other concerts and recitals throughout the year.

    Patterson said he also makes effort to engage the community through concerts and working with children, to get them involved with guitar and music at a young age.

    "It really pushes you to have higher standards for yourself," said Leandra Hubka, who is finishing her Master's degree. "There are so many opportunities to play for the public," she added. "You get better by playing for people."

    Barraza said he aims for a concert career, and that the UA guitar program has "been a huge influence on me. I wouldn't be able to do without it."

    "We have an enormously supportive group of people," Patterson said. "I have friends who have traveled all over the world; I ask them if this happens anywhere else, and they say no."

    "We have four in-house competitions each year," Hubka said. "It would be really easy to get competitive with each other, but we're not at all." Perhaps competition is out of the question among a group of people unified by the sound of an instrument they can't put down.

    "It has that effect sometimes," Barraza mused. "The guitar just grabs onto you, and that's it."

     

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  13. article Annual program aims to educate, protect local youth

    Wednesday, June 5, 2013 4:00 am

    On May 30, numerous parents lined up at Foothills Mall to have their child photographed and fingerprinted, after which a Pima Regional Bomb Squad robot chased the children around the mall.

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  14. article Summer blockbusters aim to be bigger than ever

    Tuesday, May 28, 2013 11:50 am

    (StatePoint) 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.

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  15. article (May 28) Today's Top Headlines - The top 10 things you need to know today

    Tuesday, May 28, 2013 8:21 am

    1. E.U. ENDS EMBARGO ON ARMS FOR SYRIA REBELS

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  16. article Hundreds of motorcyclers stop in Marana on their way to Washington D.C. for Memorial Day

    Monday, May 27, 2013 8:45 am

    Hundreds of motorcyclists riding on behalf of Run for the Wall made their way through Marana on May 17.

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  17. article Marana Town Talk: Hot temperatures are here, don’t forget the pool

    Wednesday, May 22, 2013 4:00 am

    The school year is ending and the coolest place to spend the hot summer months is the Marana Pool. When the thermometer hits 100 degrees, people want to hit the water.

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  18. article What Happens When You Ask People What They Most Treasure?

    Tuesday, May 21, 2013 10:26 am

    (NewsUSA) - What do you treasure most under your roof?

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  19. article This Year's Summer Blockbusters Aim to be Bigger than Ever

    Sunday, May 19, 2013 10:00 pm

    (StatePoint) 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.

    1 image

  20. This Year's Summer Blockbusters Aim to be Bigger than Ever

  21. article Your Weight Matters: Take the Pledge to Talk to a Healthcare Provider

    Wednesday, May 15, 2013 10:19 am

    (NewsUSA) - Five to 10 percent.

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  22. article Morocco: Combating Terrorism With Opportunity

    Wednesday, May 15, 2013 4:44 am

    (NAPSI)—While some think of North Africa as a region of turmoil and unrest half a world away, one nation has emerged as a leader, demonstrating a commitment to cooperation and regional security that can ultimately benefit the interests of the U.S.

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  23. article Learning to be better communicators

    Wednesday, May 15, 2013 4:00 am

    Hawkeye Richardson begins telling a story about a prehistoric shark from 20 million years ago. He explains that this shark, when it was alive, was the size of a semi tractor-trailer measuring in around 50 feet long and weighing 50,000 pounds. From a felt pouch, he slid out a palm-sized fossilized tooth belonging to one of those sharks, which was available to be held and touched.

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  24. article Third cash mob planned

    Wednesday, May 15, 2013 4:00 am

    The third Oro Valley Cash Mob is scheduled for this week, as residents are encouraged to join the town in shopping at a destination that will not be disclosed until noon on Thursday.

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  25. Tell Me a Good Story

    Hawkeye Richardson gives a seminar, “Telling the Story of Your Business,” which was sponsored by the Greater Oro Valley Chamber of Commerce. Through donations and book sales, Richardson aims to help people communicated with others better.

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  • Oro Valley Town Talk: What is and why is a General Plan?

    Joe Hornat/Special to The Explorer

    • icon posted: June 19
  • Guest Column: A message on the privacy debate

    Dave Safier, Special to The Explorer

    • icon posted: June 19
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    Evan Hoffmann,Special to The Explorer

    • icon posted: June 19
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