Thursday, March 21, 2013

Twitter celebrates 7th birthday, 200 million users

It's been seven years since Twitter creator Jack Dorsey first tweeted. And in the time that has passed, the social network has gathered over 200 million users who generate over 400 million tweets each day.

To mark the social network's birthday, the folks at Twitter made a video covering some of the key moments in Twitter's history.

The year 2007 brought the hashtag ? the invention often credited to Google's Chris Messina? and the first retweet. In 2007, Oprah Winfrey joined Twitter, only to be promptly teased by Shaquille O'Neal. Soon after that, astronaut Mike Massimino sent the first tweet from space. In January 2013, Twitter introduced Vine, a video-sharing service.

While Twitter has gathered over 200 million users in the last seven years, the number is dwarfed by Facebook's billion or so users. (That social network's been around since 2004.) Google+, by comparison, launched in mid-2011 and has since racked up 135 million active users.

No matter Twitter's size next to its fellow social networks, one must admit that it has played a role in many historical events, and been a highly disruptive force in the media, being the first medium to report the slaying of Osama bin Laden and the Hudson River plane crash of 2009, among many many other breaking news items.

It also has the most whimsical logo. The Twitter bird, named Larry after former NBA basketball player Larry Bird, is likely pecking at some birthday cake today.

Want more tech news or interesting links? You'll get plenty of both if you keep up with Rosa Golijan, the writer of this post, by following her on Twitter, subscribing to her Facebook posts, or circling her on Google+.

Source: http://feeds.nbcnews.com/c/35002/f/653377/s/29d4f14d/l/0L0Snbcnews0N0Ctechnology0Ctechnolog0Ctwitter0Ecelebrates0E7th0Ebirthday0E20A0A0Emillion0Eusers0E1C8995970A/story01.htm

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GDP to grow less in 2013, 2014 than forecast in December - Osborne

LONDON (Reuters) - Britain's economy will grow less this year and next than official forecasts showed in December, Chancellor George Osborne said in his budget statement on Wednesday.

The independent Office for Budget Responsibility now expects the economy to expand by 0.6 percent in 2013 and 1.8 percent in 2014, Osborne said.

The OBR then expects the recovery to pick up to 2.3 percent in 2015, as forecast in December.

In December, the budget watchdog cut its forecast for economic growth in 2013 to 1.2 percent and predicted an expansion of 2 percent next year.

Britain has been struggling to recover from a steep slump in output caused by the 2008 financial crisis, slipping into a second recession since then and now teetering on the verge of a third.

(Reporting by Olesya Dmitracova, editing by Guy Faulconbridge)

Source: http://news.yahoo.com/uk-gdp-grow-less-2013-14-forecast-december-124808602--business.html

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Player lives on as character in favorite game after losing cancer battle

A gamer who lost his life to cancer will be memorialized in the latest version of the "Total War" series of games ? his favorite, and the creators of which he was able to pay a visit thanks to a local charity.

The player, James (whose last name was withheld for his family's privacy) had liver cancer, and was told in mid-2012 that he had only a few months to live. He was a huge fan of the "Total War" series of games. Charity organization The Willow Foundation arranged it so that last summer, James, 24, could stop by Creative Assembly's studios in Horsham, U.K., where the games are developed.

As it turned out, the latest game in the franchise, "Rome: Total War II," was announced the day before James's visit. The Creative Assembly team was "moved, and humbled" by their fan's passion and knowledge of their games, and James was allowed to be the first person to play the new game, taking part in the siege of Carthage ? typical of the large-scale warfare that has made the games so popular.

But the best was yet to come: After James had played the game, provided feedback and asked questions, an artist on the team suggested they actually put James in the game. Needless to say, he accepted.

The image above shows the process of turning James's picture into a 3-D model for use in the game. What rank and position his character occupies in the game likely depends on how people play ? we reached out for more info on this from Creative Assembly, in case future players would like to see the virtual James in action when the game comes out late this year.

James died not long after his visit to the studio. Craig Laycock, Creative Assembly's community manager, said that James's enthusiasm in the face of cancer and death affected the whole team.

"His approach to life was an inspiration ? not only to me, but to the whole studio,"he wrote in a blog post. "When I say that, you have to understand what I mean. I don?t mean inspiration in the throwaway word sense. I mean a genuine inspiration ? altering my perspective permanently."

? Via Eurogamer

Devin Coldewey is a contributing writer for NBC News Digital. His personal website is coldewey.cc.

Source: http://www.nbcnews.com/technology/ingame/player-lives-character-favorite-game-after-losing-cancer-battle-1C8960835

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Wednesday, March 20, 2013

Elsevier announces the launch of a new journal: Wound Medicine

Elsevier announces the launch of a new journal: Wound Medicine [ Back to EurekAlert! ] Public release date: 20-Mar-2013
[ | E-mail | Share Share ]

Contact: Helen Habernickel
h.habernickel@elsevier.com
49-306-449-20374
Elsevier

Munich, March 20, 2013 - Elsevier, a world-leading provider of scientific, technical and medical information products and services, is pleased to announce the launch of Wound Medicine The International Wound Journal for Clinical and Health Economics Research and Applications.

Published in print and online four times a year Wound Medicine is devoted to the clinical, scientific and health economics aspects in the prevention, management and reimbursement in wound care. The journal publishes original research papers and review articles. In addition, the journal will feature standards and guidelines, commentaries, health economic analyses and selected conference papers that meet the information need of wound care specialists and service providers.

Thomas Wild and Thomas Eberlein, both from the Wound Academy in Hamburg and University Medical Center Hamburg-Eppendorf, founded the journal. Together with a prestigious international editorial team they aim to cover themes central to the journal such as: tissue repair and wound healing, diabetic foot syndrome, clinical trials and outcomes, health care and economics and service delivery. Their vision for Wound Medicine is to advance the translation of science into clinical practice and application, to improve outcomes and the patient experience.

"We are convinced that Wound Medicine will facilitate the development of standards and enhance guidelines benefitting health care professionals in and beyond Europe by putting emphasis on health improvement and economic benefits," said Thomas Wild, "The journal has been launched to provide a home for translational wound research, and we welcome submissions from all affiliated clinical fields."

"We are excited about the launch of Wound Medicine which will cover the rapidly developing area of wound care, a subject of ever increasing importance," added Helen Habernickel, Publishing Editor at Elsevier. "Our aging and diabetes prone population is at an increased risk of developing chronic wounds while normal wound healing decreases with age. This journal will provide a publication platform for the advances made in wound research."

###

For more information or to submit an article, go to: http://www.elsevier.com/journals/wound-medicine/2213-9095

About Elsevier

Elsevier is a world-leading publisher of scientific, technical and medical information products and services. The company works in partnership with the global science and health communities to publish more than 2,000 journals, including The Lancet and Cell, and close to 20,000 book titles, including major reference works from Mosby and Saunders. Elsevier's online solutions include SciVerse ScienceDirect, SciVerse Scopus, Reaxys, MD Consult and Nursing Consult, which enhance the productivity of science and health professionals, and the SciVal suite and MEDai's Pinpoint Review, which help research and health care institutions deliver better outcomes more cost-effectively.

A global business headquartered in Amsterdam, Elsevier employs 7,000 people worldwide. The company is part of Reed Elsevier Group PLC, a world-leading publisher and information provider, which is jointly owned by Reed Elsevier PLC and Reed Elsevier NV. The ticker symbols are REN (Euronext Amsterdam), REL (London Stock Exchange), RUK and ENL (New York Stock Exchange).


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Elsevier announces the launch of a new journal: Wound Medicine [ Back to EurekAlert! ] Public release date: 20-Mar-2013
[ | E-mail | Share Share ]

Contact: Helen Habernickel
h.habernickel@elsevier.com
49-306-449-20374
Elsevier

Munich, March 20, 2013 - Elsevier, a world-leading provider of scientific, technical and medical information products and services, is pleased to announce the launch of Wound Medicine The International Wound Journal for Clinical and Health Economics Research and Applications.

Published in print and online four times a year Wound Medicine is devoted to the clinical, scientific and health economics aspects in the prevention, management and reimbursement in wound care. The journal publishes original research papers and review articles. In addition, the journal will feature standards and guidelines, commentaries, health economic analyses and selected conference papers that meet the information need of wound care specialists and service providers.

Thomas Wild and Thomas Eberlein, both from the Wound Academy in Hamburg and University Medical Center Hamburg-Eppendorf, founded the journal. Together with a prestigious international editorial team they aim to cover themes central to the journal such as: tissue repair and wound healing, diabetic foot syndrome, clinical trials and outcomes, health care and economics and service delivery. Their vision for Wound Medicine is to advance the translation of science into clinical practice and application, to improve outcomes and the patient experience.

"We are convinced that Wound Medicine will facilitate the development of standards and enhance guidelines benefitting health care professionals in and beyond Europe by putting emphasis on health improvement and economic benefits," said Thomas Wild, "The journal has been launched to provide a home for translational wound research, and we welcome submissions from all affiliated clinical fields."

"We are excited about the launch of Wound Medicine which will cover the rapidly developing area of wound care, a subject of ever increasing importance," added Helen Habernickel, Publishing Editor at Elsevier. "Our aging and diabetes prone population is at an increased risk of developing chronic wounds while normal wound healing decreases with age. This journal will provide a publication platform for the advances made in wound research."

###

For more information or to submit an article, go to: http://www.elsevier.com/journals/wound-medicine/2213-9095

About Elsevier

Elsevier is a world-leading publisher of scientific, technical and medical information products and services. The company works in partnership with the global science and health communities to publish more than 2,000 journals, including The Lancet and Cell, and close to 20,000 book titles, including major reference works from Mosby and Saunders. Elsevier's online solutions include SciVerse ScienceDirect, SciVerse Scopus, Reaxys, MD Consult and Nursing Consult, which enhance the productivity of science and health professionals, and the SciVal suite and MEDai's Pinpoint Review, which help research and health care institutions deliver better outcomes more cost-effectively.

A global business headquartered in Amsterdam, Elsevier employs 7,000 people worldwide. The company is part of Reed Elsevier Group PLC, a world-leading publisher and information provider, which is jointly owned by Reed Elsevier PLC and Reed Elsevier NV. The ticker symbols are REN (Euronext Amsterdam), REL (London Stock Exchange), RUK and ENL (New York Stock Exchange).


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2013-03/e-eat032013.php

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Pope Francis urges protection of nature, weak

Pope Francis waves to crowds as he arrives to his inauguration Mass in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Gregorio Borgia)

Pope Francis waves to crowds as he arrives to his inauguration Mass in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Gregorio Borgia)

Pope Francis is bestowed the Fisherman's Ring by Cardinal Angelo Sodano during his inaugural Mass, in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Andrew Medichini)

Pope Francis waves to crowds as he arrives to his inauguration Mass in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Michael Sohn)

Pope Francis waves to crowds as he arrives to his inauguration Mass in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Gregorio Borgia)

A young priest punches the air as he reaches his seat in Vatican square for the inauguration of Pope Francis in St. Peter's Square at the Vatican, Tuesday, March 19, 2013. (AP Photo/Gregorio Borgia)

(AP) ? Pope Francis laid out the priorities of his pontificate during his installation Mass on Tuesday, urging the princes, presidents, sheiks and thousands of ordinary people attending to protect the environment, the weakest and the poorest and to let tenderness "open up a horizon of hope."

It was a message Francis has hinted at in his first week as pontiff, when his gestures of simplicity often spoke louder than his words. But on a day when he had the world's economic, political and religious leadership sitting before him on the steps of St. Peter's Basilica for the official start of his papacy, Francis made his point clear.

"Please," he told them. "Let us be protectors of creation, protectors of God's plan inscribed in nature, protectors of one another and of the environment."

The Argentine native is the first pope from Latin America and the first named for the 13th-century friar St. Francis of Assisi, whose life's work was to care for nature, the poor and most disadvantaged.

The Vatican said between 150,000-200,000 people attended the Mass, held under bright blue skies after days of chilly rain and featuring flag-waving fans from around the world.

In Buenos Aires, thousands of people packed the central Plaza di Mayo square to watch the ceremony on giant TV screens, erupting in joy when Francis called them from Rome, his words broadcast over loudspeakers.

"I want to ask a favor," Francis told them. "I want to ask you to walk together, and take care of one another. ... And don't forget that this bishop who is far away loves you very much. Pray for me."

Back in Rome, Francis was interrupted by applause several times during his homily, including when he urged the faithful not to allow "omens of destruction," hatred, envy and pride to "defile our lives."

Francis said the role of the leader of the world's 1.2 billion Catholics is to open his arms and protect all of humanity, but "especially the poorest, the weakest, the least important, those whom Matthew lists in the final judgment on love: the hungry, the thirsty, the stranger, the naked, the sick and those in prison."

"Today amid so much darkness we need to see the light of hope and to be men and women who bring hope to others," he said. "To protect creation, to protect every man and every woman, to look upon them with tenderness and love, is to open up a horizon of hope, it is to let a shaft of light break through the heavy clouds."

After the celebrations die down, Francis has his work cut out for him as he confronts a church in crisis: Retired Pope Benedict XVI spent eight years trying to reverse the decline of Christianity in Europe, without much success.

While growing in Africa and Asia, the Catholic Church has been stained in Europe, Australia and the Americas by sexual abuse scandals. Closer to home, Francis is facing serious management shortcomings in a Vatican bureaucracy in dire need of reform.

Francis hasn't offered any hint of how he might tackle those greater problems, focusing instead on crowd-pleasing messages and gestures that signal a total shift in priority and personality from his German theologian predecessor.

On Wednesday, Francis may give a hint about his ecumenical intentions, as he holds an audience with Christian delegations who attended his installation. On Friday, he will put his foreign policy chops on display in an address to the ambassadors accredited to the Holy See.

Saturday he calls on Benedict XVI at Castel Gandolfo, the papal retreat south of Rome, and Sunday celebrates Palm Sunday Mass, another major celebration in St. Peter's Square.

He then presides over all the rites of Holy Week, capped by Easter Sunday Mass on March 31, when Christians mark the resurrection of Christ, an evocative start to a pontificate.

Francis, 76, thrilled the crowd at the start of the Mass by taking a long round-about through the sun-drenched piazza, shouting "Ciao!" at well-wishers and kissing babies handed up to him.

At one point, as he neared a group of people in wheelchairs, he signaled for the jeep to stop, hopped off, and went to bless a disabled man held up to the barricade by an aide and kiss him on his forehead. It was a gesture from a man whose short papacy so far is becoming defined by such spontaneous forays into the crowd that seem to surprise and concern his security guards.

"I like him because he loves the poor," said 7-year-old Pietro Loretti, who attended the Mass from Barletta in southern Italy. Another child in the crowd, 9-year-old Benedetta Vergetti from Cervetri near Rome, also skipped school to attend.

"I like him because he's sweet like my Dad."

The blue and white flags from Argentina fluttered above the crowd, which Italian media initially estimated could reach 1 million. Civil protection crews closed the main streets leading to the square to traffic and set up barricades for nearly a mile (two kilometers) along the route to try to control the masses and allow official delegations through.

At the start of the Mass, Francis received a gold-plated silver fisherman's ring symbolizing the papacy and a woolen stole symbolizing his role as shepherd of his flock. The ring was something of a hand-me-down, first offered to Pope Paul VI, the pope who presided over the latter half of the Second Vatican Council, the meetings that brought the Church into the modern world.

Francis also received vows of obedience from a half-dozen cardinals ? a potent symbol given Benedict XVI is still alive and was reportedly watching the proceedings on TV.

A cardinal intoned the rite of inauguration, saying: "The Good Shepherd charged Peter to feed his lambs and his sheep; today you succeed him as the bishop of this church."

Some 132 official delegations attended, including more than a half-dozen heads of state from Latin America, a sign of the significance of the election for the region. Francis's determination that his pontificate would be focused on the poor has resonance in a poverty-stricken region that counts 40 percent of the world's Catholics.

In the VIP section was German Chancellor Angela Merkel, U.S. Vice President Joe Biden, the Argentine President Cristina Fernandez, Taiwanese President Ying-Jeou Ma, Zimbabwe President Robert Mugabe, Prince Albert of Monaco and Bahrain Prince Sheik Abdullah bin Haman bin Isa Alkhalifa, among others. All told, six sovereign rulers, 31 heads of state, three princes and 11 heads of government were attending, the Vatican said.

Francis directed his homily to them, saying: "We must not be afraid of goodness or even tenderness!"

After the Mass, Francis stood in a receiving line for nearly two hours to greet each of the government delegations in St. Peter's Basilica, chatting warmly and animatedly with each one, kissing the few youngsters who came along with their parents and occasionally blessing a rosary given to him. Unlike his predecessors, he did so in just his white cassock, not the red cape.

Among the religious VIPs attending was the spiritual leader of the world's Orthodox Christians, Bartholomew I, who became the first patriarch from the Istanbul-based church to attend a papal investiture since the two branches of Christianity split nearly 1,000 years ago. Also attending for the first time was the chief rabbi of Rome. Their presence underscores the broad hopes for ecumenical and interfaith dialogue in this new papacy given Francis' own work for improved relations.

In a gesture to Christians in the East, the pope prayed with Eastern rite Catholic patriarchs and archbishops before the tomb of St. Peter at the start of the Mass and the Gospel was chanted in Greek rather than the traditional Latin.

But it is Francis' history of living with the poor and working for them while archbishop of Buenos Aires that seems to have resonated with ordinary Catholics who say they are hopeful that Francis can inspire a new generation of faithful who have fallen away from the church.

"As an Argentine, he was our cardinal. It's a great joy for us," said Edoardo Fernandez Mendia, from the Argentine Pampas who was in the crowd. "I would have never imagined that it was going to be him."

Recalling another great moment in Argentine history, when soccer great Diego Maradona scored an improbable goal in the 1986 World Cup, he said: "And for the second time, the Hand of God came to Argentina."

___

Reporter Daniela Petroff contributed.

___

Follow Nicole Winfield at www.twitter.com/nwinfield

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/cae69a7523db45408eeb2b3a98c0c9c5/Article_2013-03-19-Vatican-Pope/id-4824829bf8c54634ba1d12bcb4362784

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Remade Mideast poses new perils for Obama on trip

Students of Estella's school for bakery and pastry making, work on an image depicting U.S. President Barack Obama made out of chocolate in Givat Shmuel, central Israel, Monday, March 18, 2013. Obama?s trip to Jerusalem and the West Bank will take place March 20-22, and it is the U.S. leader?s first trip to the region as president, and his first overseas trip since being reelected. (AP Photo/Ariel Schalit)

Students of Estella's school for bakery and pastry making, work on an image depicting U.S. President Barack Obama made out of chocolate in Givat Shmuel, central Israel, Monday, March 18, 2013. Obama?s trip to Jerusalem and the West Bank will take place March 20-22, and it is the U.S. leader?s first trip to the region as president, and his first overseas trip since being reelected. (AP Photo/Ariel Schalit)

Palestinian activists throw shoes at a poster of US President Barack Obama in the West Bank city of Bethlehem, Monday, March 18, 2013. Some two dozen Palestinian activists protested the upcoming Obama visit. Obama?s trip to Jerusalem and the West Bank will take place March 20-22, and it is the U.S. leader?s first trip to the region as president, and his first overseas trip since being reelected. (AP Photo/Nasser Shiyoukhi)

(AP) ? On his second trip to the Middle East as U.S. commander in chief, President Barack Obama this week will confront a political and strategic landscape nearly unrecognizable from the one he encountered on his first trip to the region shortly after assuming office in 2009.

Gone are the authoritarian regimes and leaders in Tunisia, Egypt, Libya and Yemen, and the once seemingly indestructible Assad regime in Syria is tottering on the brink of collapse. Uncertainty abounds in the wake of the revolutions that have convulsed the Arab world for the past two years and shaken many of the strong but imperfect pillars of stability on the planet's most politically volatile patch of land.

And the few constants are hardly cause for cheer: a moribund Israeli-Palestinian peace process that remains mired in mutual distrust and recrimination, an Iran that seemingly inches closer to nuclear weapons capability despite intensified international sanctions, and the ever-growing threat from extremists.

At the same time, Obama's 2012 re-election has changed his political calculus. Having run his last race as a political candidate, he is no longer beholden to the whims of voters. His sights appear set on building a legacy that, at least in the short term, is focused not on foreign policy but on the domestic issues that now drive the agenda in Washington.

Thus, U.S. officials have set expectations low for the trip. No new plan to bring Israel and the Palestinians back to the negotiating table. No big boost in assistance to the struggling Palestinian Authority. No new strategy for dealing with the chaos in Syria. No new outreach to Muslims like the one that was the centerpiece of his June 2009 visit to Cairo.

Instead, they have presented Obama's visit to Israel, the Palestinian Authority and Jordan as a symbolic, hand-holding trip. Obama's goals are to reassure nervous Israelis that the U.S. has their back in the face of any threats, tell the Palestinians that their aspirations for statehood are in America's national security interests and show support for a Jordanian monarchy that is struggling to satisfy its subjects' demands for reform while dealing with the spillover from the civil war in Syria.

It may seem incongruous that an American president feels the need to calm Israeli's fears about Washington's commitment to their security at a time when officials from both countries say U.S. and Israeli interests are more inextricably linked than ever before.

However, one reason for the uneasiness is the strained personal relationship between Obama and Israeli Prime Minister Benjamin Netanyahu. They and their surrogates have sparred, most notably over Jewish settlements in areas claimed by the Palestinians, numerous times, leading many to speak of an open rift. The chill has manifested itself in unprecedented low approval ratings for Obama in Israel. The centerpiece of Obama's trip will be a speech to the Israeli people to pledge friendship and security.

Much of the symbolism around Obama's speech is aimed at showing his understanding of the Jewish people's millennia-old connection to the land that is now Israel, and his awareness that the modern State of Israel was not created merely as a consequence of the Holocaust. A visit to an Iron Dome battery, part of the missile defense system the U.S. has poured hundreds of millions of dollars into, will underscore Washington's investment in Israel's security.

Obama will be joined by Secretary of State John Kerry. The U.S. Embassy in Jerusalem said Kerry was set to arrive Tuesday, a day before Obama. The embassy gave no details on Kerry's schedule Tuesday, but Israeli officials said no meetings were scheduled.

In both countries, officials hope that an American president on Israeli soil, affirming America's unwavering support for Israel, will quell the concerns from the Israeli perspective. Equally, if not more important, is channeling that message to anti-Israel actors, including Iran, Lebanon's militant Hezbollah, and the Hamas faction of the Palestinians that controls the Gaza Strip.

The goodwill Obama hopes to inspire is expected to be accompanied by gentle encouragement of Israelis and their leaders to be more sensitive the new realities of the region and not take actions that provoke or irritate the very people with whom they desire better ties.

In many ways, Obama faces a similar perception problem among Palestinians who were buoyed by his early support for their longstanding position on settlements, but have been bitterly disappointed by the lack of any progress on achieving statehood.

So, with prospects dim for new Israeli-Palestinian peace talks any time soon, in part because Netanyahu has just formed a new government, Obama will bring a similar message to Palestinian President Mahmoud Abbas. Abbas' administration has infuriated Israel and annoyed the United States by seeking recognition as a state from the United Nations in the absence of a peace agreement.

Obama is expected to warn anew that such acts only hurt chances for getting back to negotiations, but stress that the United States is firmly committed to a two-state solution to the Israeli-Palestinian conflict and will continue to be an honest broker on the path to get there.

U.S. officials hope Obama's visit to Jordan will boost King Abdullah II's standing both at home among a restive population and in the region where, since the Muslim Brotherhood won elections in Egypt, his nation is the more solid of Israel's two Arab friends.

___

Associated Press writer Josef Federman in Jerusalem contributed to this report.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/89ae8247abe8493fae24405546e9a1aa/Article_2013-03-19-Obama-Mideast/id-329e8d1d8e65442daeed2c9fc9363f04

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Tuesday, March 19, 2013

NASA moon craft spots Ebb and Flow crash sites

This composite image released NASA taken by NASA?s Lunar Reconnaissance Orbiter shows a region of the moon before and after the twin Grail spacecraft deliberately crashed into in December 2012. The spacecraft called Ebb and Flow mapped the lunar gravity in greater detail than previous missions. (AP Photo/NASA)

This composite image released NASA taken by NASA?s Lunar Reconnaissance Orbiter shows a region of the moon before and after the twin Grail spacecraft deliberately crashed into in December 2012. The spacecraft called Ebb and Flow mapped the lunar gravity in greater detail than previous missions. (AP Photo/NASA)

(AP) ? When NASA's twin spacecraft Ebb and Flow crashed into the moon last year, scientists did not count on seeing the aftermath.

On Tuesday, the space agency released before-and-after pictures of the lunar north pole where Ebb and Flow came to rest. Months after the back-to-back, mission-ending dives, the Lunar Reconnaissance Orbiter flew over the crash sites and imaged the final resting spots.

Ebb and Flow broke into smithereens upon impact and pinpointing the small craters they carved was difficult, said Arizona State University researcher Mark Robinson, who operates the orbiter's camera.

Even the mission's chief scientist, Maria Zuber, was surprised when she saw the impact sites, which looked like dots.

"I was expecting to see skid tracks," said Zuber of the Massachusetts Institute of Technology.

Ebb and Flow deliberately plunged into a lunar mountain in December after mapping the moon's gravity field in unprecedented detail. The location was chosen because it was far away from the Apollo landings and other historic sites.

Since the finale occurred in the dark, telescopes from Earth did not capture it. Even the reconnaissance orbiter had to wait until sunlight streamed to the northern lunar region.

Launched in 2011, the spacecraft spent nearly a year flying in formation, exclusively collecting gravitational data. Among the discoveries: The lunar crust is much thinner and more battered than scientists had imagined.

Initially flying at 35 miles above the lunar surface, the spacecraft dipped lower and lower in altitude during the $487 million mission.

Scientists are still poring through the last chunk of data beamed back just before their demise.

The Ebb and Flow crash sites were named in honor of mission team member, Sally Ride, the first American woman in space who died last year. Ride's educational company supplied the cameras on the mission that allowed students to take their own pictures of craters and other geological features.

___

Follow Alicia Chang at http://twitter.com/SciWriAlicia

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/b2f0ca3a594644ee9e50a8ec4ce2d6de/Article_2013-03-19-NASA%20Moonshot/id-eec7cdb6c2484ad98d6b97f91863f23b

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