Saturday, March 2, 2013

Watch SpaceX's Dragon capsule liftoff at 10:10AM ET today (update: video!)

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You've no doubt seen plenty of video of SpaceX rocket launches on this very site, but let's face it, nothing compares to seeing a live launch. Great news for fans of watching things slip the surly bonds of Earth: the commercial space company's Dragon capsule is set to do precisely that atop a Falcon 9 carrier rocket at 10:10AM ET this very morning -- you know, roughly half an hour from now. The unmanned rocket will deliver supplies to astronauts aboard the International Space Station. And if you're not currently within driving distance of Cape Canaveral and in possession of the the proper clearances, you're still in luck. You can watch a livestream of the event unfold in the source link below. And for more space action, make sure to check out the latest episode of the Engadget Show.

Update: We have liftoff!

Update 2: While the rocket liftoff seems to have gone according to plan, the company has reported a problem with the capsule. According to a tweet from Elon Musk, there's an "issue with Dragon thruster pods. System inhibiting three of four from initializing. About to command inhibit override."

Update 3: Miss this morning's festivities? No worries, just hop the break to find an embedded video of the launch.

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Via: The Next Web, Space

Source: Livestream.com

Source: http://www.engadget.com/2013/03/01/spacex-dragon/

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Catholic Church goes leaderless

VATICAN CITY (AP) ? The Catholic Church awoke Friday with no leader following the resignation of Benedict XVI, who pledged obedience to his successor and described himself as "simply a pilgrim" starting the final journey of his life.

Now begins a period known as the "sede vacante" or "vacant see" ? the transition between the end of one papacy and the start of another.

During this limited time, several key players take charge of running the Holy See, guiding the College of Cardinals in their deliberations and organizing the conclave of cardinals whose votes elect Benedict's successor.

With the 8 p.m. Thursday end of Benedict's papacy, every department head in the Vatican lost his job ? except for those whose offices are considered crucial for the smooth running of the transition period.

On Monday, the cardinals begin meetings to set the conclave date and discuss problems facing the Catholic church.

Here are the top figures who will run the church in the coming days:

___

THE CAMERLENGO: Cardinal Tarcisio Bertone.

The camerlengo, or chamberlain, takes over the day-to-day running the Holy See as soon as the papacy ends. He places the seal on the pope's study and bedroom and takes possession of the Apostolic Palace, "safeguarding and administering the goods and temporal rights of the Holy See" until a new pope is elected. On Thursday night, Bertone sealed the papal apartment, which will not be reopened until a new pope is elected.

Benedict in 2007 gave the camerlengo job to Bertone, 78, a natural choice given that Bertone is currently the Vatican No. 2 as secretary of state and runs the Vatican bureaucracy anyway. A priest of the Salesian order, Bertone was trained as a canon lawyer and taught in various Roman universities for several years before coming to work for the former Cardinal Joseph Ratzinger at the Vatican's doctrine office in 1995.

As secretary of state, Bertone has had Benedict's unwavering trust, but his legacy has been mixed. He had no diplomatic training coming into the Holy See's most important diplomatic and administrative post, and critics blame the gaffes of Benedict's papacy and current state of the Vatican's dysfunction on Bertone's managerial shortcomings. The 2012 leaks of papal documents appeared aimed at undermining his authority further, by exposing the power struggles and turf battles that festered under his watch. In his last speech as pope, however, Benedict singled Bertone out for thanks.

___

THE DEAN OF THE COLLEGE OF CARDINALS: Cardinal Angelo Sodano.

The dean is the senior member of the College of Cardinals, the so-called "princes" of the church whose main task is to elect a pope. In one of his first official acts as dean, Sodano on Friday officially summoned cardinals to Rome to participate in the pre-conclave meetings, a formality given that most were already here. The first starts Monday at 9:30 a.m.

The dean oversees these meetings, at which the problems of the church are discussed, and has duties inside the conclave itself, including asking the newly elected pontiff if he accepts the job. But Sodano is 85 and cannot vote, so some of those duties shift to the sub-dean.

Burly and sociable, the Italian Sodano was Pope John Paul II's longtime secretary of state. As dean, he spoke on behalf of all the cardinals in giving a final farewell to Benedict on Thursday, thanking him for his "selfless service."

Still, Sodano and Benedict were known to have clashed when Benedict was Cardinal Joseph Ratzinger, particularly over the scandal-plagued Legion of Christ religious order. Sodano was a chief backer and protector of the Legion's late founder, the Rev. Marcial Maciel, even though the Vatican had known for years of solid allegations that he was sexually molesting his seminarians. Within Benedict's first year in office, Maciel was sentenced by the Vatican to a lifetime of penance and prayers for his crimes. That same year Benedict named Bertone to replace the retiring Sodano as secretary of state.

___

THE MASTER OF LITURGICAL CEREMONIES: Monsignor Guido Marini.

The master of liturgical ceremonies runs the religious side of the conclave and the installation Mass for the new pope, all of them carefully choreographed rituals. He is by the side of the dean when the newly elected pope is asked if he accepts the election. And as the main witness and notary, he draws up the formal document certifying that the new pope's name and that he has accepted the job.

Benedict appointed Marini to the job in 2007, replacing Monsignor Piero Marini who for two decades was Pope John Paul II's right-hand man for all things liturgical. The shift was intentional. Under Guido Marini, papal Masses became far more reverent, with more Latin, Gregorian chants and the use of heavy silk-brocaded vestments of the pre-Vatican II church.

In changes introduced just before he resigned, Benedict made clear he wanted this more traditional vision of his papacy carried forward for the installation of a new pope. He called for the rites of installation to be separate from the liturgy itself and for the cardinals to make a public pledge of obedience to the new pope during the Mass. Previously, their pledge of obedience was done in private in the Sistine Chapel immediately after the election.

In keeping with Benedict's classical musical tastes, the new rites also allow for more flexibility in musical choices rather than the modern selections previously in favor. The aim, Marini recently told the Vatican newspaper L'Osservatore Romano, was to make "the most of the rich musical repertoire of church history."

___

THE PROTO-DEACON: Cardinal Jean-Louis Tauran.

The proto-deacon's main task is to announce to the world that a pope has been elected. He shouts "Habemus Papam!" ("We have a pope!") from the balcony overlooking St. Peter's Square after the white smoke has snaked up from the Sistine Chapel chimney. He then introduces the new pope ? in Latin ? along with the name the pope has chosen.

The French-born Tauran is a veteran Vatican diplomat who served in the Dominican Republic and Lebanon. He currently heads the Vatican's office for interreligious dialogue ? in other words the Vatican's primary point man for Catholic-Muslim relations. Benedict appointed him proto-deacon in 2011.

___

Follow Nicole Winfield at www.twitter.com/nwinfield

Source: http://news.yahoo.com/no-pope-catholic-church-leaderless-now-084659210.html

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Filing tax returns? Six money-saving tips.

Tax-return tips: File soon, file free (if you qualify), and check out any tax preparer before you hire her to file your tax returns.?

By Susan Lyon,?Contributor / March 2, 2013

Valerie Lashley-Murray has her taxes prepared by Susan Ormant (right) at H&R Block last month in Boston. Before having someone file your tax returns, you should check them out.

Melanie Stetson Freeman/The Christian Science Monitor/File

Enlarge

The challenges of tax season are upon us, and if there?s one thing that novice and experienced taxpayers alike have to learn and relearn every year, it?s that lots of people want your money.? The federal government, state and local governments, certified public accountants (CPAs), and the tax preparer advertising on TV all want a piece of the pie.? By getting organized early and following these expert tips as April 15 approaches, you?ll avoid the rush and, in all likelihood, a lot of money.

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Get ready

Financial institutions had until Jan. 31 to send out W-2s and 1099s in the mail, so you should have received the necessary forms by now. If you find that they are missing, contact your employer to find out why they haven't been mailed and make sure that they are being sent to the correct address.

  • Tax tip: Save money by filing sooner than your friends

In this first stage of tax season, take advantage of early bird deals that will disappear as the crunch date approaches.? If you?re feeling ambitious, you can cash in on free or heavily discounted deals as tax-prep companies hope to front-load some of the rush to make space for more customers come tax day.

Order in the chaos of a cell membrane

Mar. 1, 2013 ? An explanation has been proposed for the way in which ordered structures arise in cell membranes. Scientists from the Max Planck Institute of Colloids and Interfaces in Potsdam have discovered how complex compounds of sugar and lipids -- known as glycolipids -- order themselves in cell membranes into rafts, namely small, highly organised domains. The arrangement of glycolipids on the surface of plant and animal cell membranes regulates numerous cellular processes. If errors occur in this process, diseases like PNH and BSE can arise.

Lipids, i.e. fats and fat-like substances, arise all over the human body. They are the body's most important energy storage system and are crucial structural components of cell membranes. Compounds formed from complex sugar components and fats are known as glycolipids. Those are vital communicators found in the membranes of every human cell, and constantly exchange information about the type and state of the cell. Numerous metabolic processes depend on glycolipids and their recognition. Even the immune system identifies and combats many pathogens using certain sugar structures located on the surface of the pathogen cells.

Glycosylphosphatidylinositols (GPIs) belong to the group of natural glycolipids. They are found on the surface of plant and animal cell membranes, where they appear either as free molecules or as membrane anchors for various proteins. The arrangement in clusters and their preference for denser and, in part, highly-organised micro-domains in the membrane are seen as essential for the effective functioning of a cell. These minuscule clusters are extremely important for the regulation of many cellular processes, and their malfunction can have very serious consequences. For example, it has been proven that the accumulation, missing or alteration of GPI-anchored molecules can trigger the development of serious diseases like BSE and paroxysmal nocturnal hemoglobinuria (PNH). Scientists at the Max Planck Institute of Colloids and Interfaces in Golm near Potsdam have gained new insight into how GPIs structure themselves in membranes.

Crystalline lipid areas never previously observed in membranes

It was assumed up to now that the arrangement of the GPIs in clusters and rafts was determined by the water-repelling section of the glycolipids embedded in the cell membrane. The chemical structure of the hydrophobic ends is actually responsible for strong interactions with similarly rigid neighbouring molecules. If the number of the molecules that interact with each other is big enough, rigid and partly organised domains may arise like icebergs on the surface of the ocean.

Cristina Stefaniu and her colleagues have now discovered that, in addition to the hydrophobic ends, the large GPI head groups, which contain sugar, mainly contribute to the formation of the rafts. This means that the hydrophylic part of the molecule is able to build strong interactions with the neighbouring GPI molecules. This part of the molecule is located precisely on the boundary between the membrane surface and the liquid medium. "The interactions between neighbouring GPI molecules result in the formation of crystalline orders that have not previously been observed for other membrane lipids," says Cristina Stefaniu.

Hydrogen bonds connect the hydrophylic head groups

The scientists reached this new conclusion about the order in membranes by studying a model molecule. This is a GPI fragment that was synthesised by the groups headed by Peter Seeberger and Daniel Var?n Silva and that imitates the behaviour of entire GPIs. It forms a very thin film, just one molecule thick, on the surface of the water. This so-called monolayer is the simplified model of a half cell membrane which the researchers analysed using synchrotron x-ray scattering. "Surprisingly, the highly ordered structure in the GPI monolayer is predominantly determined by the bulky hydrophilic head groups that connect through hydrogen bonds," says Stefaniu. A hydrogen bond is a relatively weak chemical bond and usually links two molecules through the bonding of a hydrogen atom from one molecule with an oxygen or nitrogen atom from the other molecule. Thus the monolayers of the GPI fragment are characterised by both the order of the hydrophilic lipid chains and the crystalline arrangement of the GPI head groups.

"The molecular lattices observed here have not yet been described for lipid monolayers," says Cristina Stefaniu. "A similar order forms in lipid bilayers if they are stored at temperatures close to zero degrees Celsius." The strong interactions between the head groups can only be disrupted and the molecular lattice destroyed through the addition of a highly concentrated urea solution, which breaks the hydrogen bonds, eliminates the strong interactions of the head groups and destroys the molecular lattice. In addition, the scientists proved that ordered clusters can arise in mixtures of the GPI fragment with typical membrane lipids, which only form unordered films. Thus, the GPIs are able to generate order in the chaos of a membrane. This special skill could be very important for the GPI interactions in real cell membranes.

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Story Source:

The above story is reprinted from materials provided by Max Planck Institute of Colloids and Interfaces.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Cristina Stefaniu, Ivan Vilotijevic, Mark Santer, Daniel Var?n?Silva, Gerald Brezesinski, Peter H. Seeberger. Subgel Phase Structure in Monolayers of Glycosylphosphatidylinositol Glycolipids. Angewandte Chemie International Edition, 2012; 51 (51): 12874 DOI: 10.1002/anie.201205825

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/biochemistry/~3/Tel7Ws9r9ic/130301051615.htm

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Friday, March 1, 2013

Conversation Agent: How We Use Smartphones and Social ...

HowWeUseSmartphones

It looks like the least activity with a mobile phone these days is actually making calls.

A recent report with global data on The Mobile Consumer by Nielsen tallies mobile data from the U.S. and other major markets and breaks down adoption, mobile behavior, and advertising.

According to the report (see diagram below), people see ads in the following percentages and countries, including apps, mobile internet, watching video, streaming online music, in online games, location-based services(LBS)/GPS, and text messages/SMS.

MobileAds
Mobile ADs

Top smartphone shopping activities include browsing products, price comparison, and reading product reviews. In the U.S., we are more likely to use smartphones for in-store price comparison, online coupons, and to purchase products.

It's interesting to see the gap between the chart above that tallies percentages for ads seen on LBS and the use of LBS for shopping activities. Would we not have LBS data integration in store/brand loyalty apps??

Mobile Shopping Behavior
Games are the most used type of app in more than half of the selected countries with China, Australia, the U.S., Italy, and Brazil in the lead. Social networking app usage is strongest in the U.S., with 85 percent of American smartphone owners as regular users.

Below are some social predictions from a group of smart marketers polled by Dell. My contribution on what I'd like to see more of from brands and the channel primed for growth is on slide 15. I did mention a LBS as we are now in the phase of mobile as a verb, as in where I am right now.

How did we do?

?

+++

Valeria is an experienced listener. She is also frequent speaker at conferences and companies on a variety of topics. To book her for a speaking engagement?click here.

Source: http://www.conversationagent.com/2013/02/how-we-use-smartphones.html

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FCC To Investigate Cell Phone Unlocking Ban | TechCrunch

Following an online uproar over a law banning the unlocking of cell phones, the Federal Communications Commission will investigate whether the ban is harmful to economic competitiveness and if the executive branch has any authority to change the law.

The ?ban raises competition concerns; it raises innovation concerns,? FCC Chairman Julius Genachowski told me last night at a TechCrunch CrunchGov event at our San Francisco headquarters.

Until earlier this year, consumers were free to ?unlock? their smartphones, which permitted them to switch carriers. For six years, the Library of Congress exempted cell phone unlocks from the Digital Millennium Copyright Act, which bans ?circumvention? of copy protection schemes. The decision was reversed during the last round of triennial reviews.

Now users who dare to modify software on the devices they own are subject to legal penalties.

Genachowski isn?t sure what authority he has, but if he finds any, given the tone of the conversation, it?s likely he will exert his influence to reverse the decision. ?It?s something that we will look at at the FCC to see if we can and should enable consumers to use unlocked phones.?

Source: http://techcrunch.com/2013/02/28/fcc-to-investigate-cell-phone-unlocking-ban/

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Sequester's first victim: The Blue Angels

MOBILE, Alabama (Reuters) - Blue Angels pilot Dave Tickle said he is focused on practicing maneuvers for an upcoming show in California instead of worrying about how federal spending cuts will threaten performances this year by the U.S. Navy's renowned flight demonstration squadron.

With $85 billion in automatic cuts due to take effect on Friday, millions of fans across the country will likely miss out on the precision flying team's thrilling shows this year.

Blue Angels shows scheduled in more than two dozen cities between April and September are expected to be canceled as part of the cuts, said the team's spokeswoman, Lieutenant Katie Kelly. Some shows featuring the Blue Angels already have been called off in the face of budget uncertainties.

The grounding would be a sentimental loss for fans but not as serious as other reductions to defense spending, which President Barack Obama said could threaten Navy readiness. The Defense Department said the cuts would slash ship and aircraft maintenance, curtail training and result in 22 days' unpaid leave for most of the Pentagon's 800,000 civilian employees.

Programs such as the Blue Angels would take a back seat to "making sure ships are seaworthy and planes are airworthy for the war fighters who are operating overseas," said Lieutenant John Supple, spokesman for the Chief of Naval Air Training in Corpus Christi, Texas.

The news has saddened longtime fans, disappointed city leaders and sparked an online petition to the White House to save the Blue Angels' season. About 1,200 people had signed as of Thursday.

"They're an American icon, and they really resonate in a military town," said Ashton Hayward, mayor of Pensacola, Florida, home to the naval air station where the Blue Angels are based.

Pensacola's Blue Angels beach show each July pumps an additional $2.5 million into the local economy, according to a 2012 study.

"People plan their annual family trips around the shows and the impact on business is phenomenal," Hayward said. "If the Blue Angels end, it's going to be a sad, sad day for not just us, but for millions of people all over the country."

SHOWS CALLED OFF

Air shows scheduled for May at Seymour Johnson Air Force Base in North Carolina, and for June in Indianapolis, already have been canceled, organizers and U.S. Air Force officials announced in recent weeks.

The Air Force said its Thunderbirds exhibition flying team also is expected to be grounded if the so-called sequestration cuts happen.

The budget cuts will affect cities from Seattle to North Kingstown, Rhode Island, where the Rhode Island National Guard Air Show draws thousands of visitors to the small town each year.

The city's Quonset Air Base closed in the 1970s, but a sense of military pride still runs deep. Losing the Blue Angels would deal a huge blow for the show in late June, said Elizabeth Dolan, North Kingstown's town council president.

"Everybody looks forward to when they come," she said. "They fly right up over my house, and it's amazing and emotional to watch."

The Blue Angels program began in 1946 and costs about $40 million a year. Cancelling the bulk of the performing season would save about $28 million, according to Navy officials.

Because of the timing of the cuts, the Angels will still perform in March at the El Centro Air Show in southern California and the Southernmost Air Spectacular show in Key West, Florida.

The 130-person team, which includes seven pilots, consists of members who have served in high-level tours in Iraq and Afghanistan. Should the budget cuts go into effect, the team would be reassigned until there is enough money for them to take to the skies again, Supple said.

Tickle, a 32-year-old from Birmingham, Alabama, said he was inspired to become an expert naval pilot after watching Blue Angels performances during family vacations to Pensacola when he was a child. He is now a lieutenant commander in the Navy and the Blue Angels' lead solo pilot.

"I remember looking up at these shining blue and gold precision aircraft and thinking, 'I want to do that.' It gave me a feeling of amazement and pride," he said.

(Editing by Colleen Jenkins and Nick Zieminski)

Source: http://news.yahoo.com/spending-cuts-due-ground-navys-blue-angels-flying-122828653.html

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