Ubuntu se mete en los celulares con un sistema operativo propio

Al igual que otras plataformas que buscan una convergencia entre el mundo móvil y la PC, Canonical confirmó el arribo de su sistema operativo Ubuntu a los dispositivos móviles. Disponible en una primera instancia como una instalación no oficial para la línea de smartphones Nexus 3, la versión de Linux utilizada en más de 20 millones busca posicionarse como una alternativa ante un mercado dominado por compañías como Apple y Google, junto a las propuestas de Microsoft con Windows Phone y Research in Motion con sus teléfonos BlackBerry.

La compañía dio un primer paso en febrero de 2012 con Ubuntu for Android , una distribución para “mejorar” el Android convencional.

La versión actual es un sistema operativo que sólo comparte con Android el uso de sus drivers (ambos están basados en Linux), pero no usa una máquina virtual Java, por lo que los 700.000 programas con las que cuenta Android no estarán disponibles directamente. Ubuntu tendrá su propia suite de aplicaciones, y permitirá la suma de nuevas que estén programadas en HTML5 o sean nativas.

Canonical también planea lanzar un teléfono de diseño propio que llegaría al mercado en 2014, pero no brindó mayores detalles sobre el fabricante involucrado. Los recientes cambios en la interfaz de Ubuntu, denominada Unity, marcaron una tendencia en la distribución hacia la interacción en pantallas sensibles al tacto, y este lanzamiento representa un primer paso de la distribución para ingresar en el mundo móvil de los smartphones y las tabletas.

Las prestaciones de una PC, en un dispositivo de bolsillo

Según Mark Shuttleworth, CEO de Canonical, en un principio esta versión de Ubuntu apunta a los entusiastas de la plataforma, pero con una rápida expansión hacia el resto de los usuarios. “Por primera vez en la historia los usuarios de los teléfonos celulares pueden tener las prestaciones completas que tiene en una PC, y tenemos una ventaja en esto”, dijo el ejecutivo.

Así lo explica Mark Shuttleworth en video, mostrando los gestos que permiten controlar Ubuntu móvil:

El concepto se asemeja a la modalidad presentada por Motorola con su teléfono Atrix , que se convertía en una PC al ser conectado en una base que servía de conexión con un monitor. A su vez, el móvil también podía ser utilizado como una notebook mediante un dispositivo denominado lapdock.

Aún no disponible para su descarga, la presentación formal de Ubuntu para teléfonos ante el público será en la feria Consumer Electronic Show de Las Vegas, en donde LA NACION estará presente para la cobertura de los primeros lanzamientos del año que realizará la industria.

En busca del podio móvil

Con los dispositivos basados en iOS y Android, varias compañías disputan ser la alternativa a las plataformas dominantes. Microsoft busca de la mano de Nokia posicionar a Windows Phone junto a fabricantes como HTC y Samsung. La compañía de Redmond también desea aprovechar la integración con Windows 8 para sacar provecho de su dominio en el mundo de las PC, un segmento en lento retroceso frente a los teléfonos inteligentes y tabletas.

En este punto, la integración entre las PC y los dispositivos móviles también forman parte de los objetivos de Apple, que replicó el exitoso modelo App Store en su línea de computadoras con Mac OS X, utilizado en el iPhone y la tableta iPad, mientras que Google mantiene su apuesta en su plataforma basada en la nube con servicios como Gmail y Drive, entre otros.

Por su parte, Research in Motion presentará su nueva plataforma BB10 , un demorado lanzamiento que tendrá lugar a fines de este mes y con el que busca recuperar el terreno perdido en los últimos años con un renovado teléfono móvil tactil basado en el sistema operativo QNX, utilizado en su tableta Playbook.

Dentro de este pelotón de contendientes también se encuentra Firefox OS , un competidor que más se asemeja a la filosofía de la plataforma de Canonical y que ofrece un sistema operativo basado en el navegador web de la fundación Mozilla. Cuenta con el apoyo de las principales operadoras de telecomunicaciones y apunta a contar con un teléfono de costo accesible para mercados emergentes.

Por su parte, un grupo de desarrolladores responsables de Meego, la plataforma utilizada por Nokia para el N9, se reunieron para presentar a Sailfish OS , un sistema operativo basado en Linux que se encuentra en una incipiente etapa de desarrollo y que planea tener también, al igual que Firefox OS y Ubuntu, un teléfono para mediados de este año.

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Julianne Hough: I Was Physically Abused as a Child

By Mike Fleeman

01/02/2013 at 04:45 PM EST

When Julianne Hough was 10 years old, she lived in London, away from her parents in Utah, studying dance.

That's when the abuse began, she says.

"I was abused, mentally, physically, everything," she says in Cosmopolitan's February issue, on newsstands Jan. 8.

While attending the prestigious Italia Conti Academy of Arts, she says the adults around her took advantage of her being without parental supervision: "I was 10 years old looking like I was 28, being a very sensual dancer."

"I was a tormented little kid who had to put on this sexy façade because that was my job and my life," she adds. "But my heart was the same, and I was this innocent little girl. I wanted so much love."

The actress, now 24, says the abuse became worse "when I started hitting puberty, when I started becoming a woman and stopped being a little girl."

Her classmates included future Dancing with the Stars pros Mark Ballas and Julianne's brother Derek Hough, both also children at the time. They had formed their own pop music group when Julianne was 12 performing in the U.S. and the U.K.

Hough declines to say who abused her or provide other details.

"I'm a very forgiving person, and I don't want to hurt anybody," she says. "What's past is past."

But the painful emotions surfaced during filming of her latest movie, Safe Haven, opening Feb. 14, about a girl who survives an abusive ex-boyfriend and accepts the love of a widower, played by Josh Duhamel.

During one particularly difficult scene, she says, "I went from bawling to containing to laughing to crying again. Josh was crying. I think it was the most therapeutic moment of my life."

As for her own love life, Hough says that she and boyfriend Ryan Seacrest work to find time for each other around their busy schedules.

"We love what we do," she says. "We take pride in giving it our all, but then when we're alone, we really focus in on going to dinners and being extra-romantic and affectionate and just being there for each other."

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Brain image study: Fructose may spur overeating

This is your brain on sugar — for real. Scientists have used imaging tests to show for the first time that fructose, a sugar that saturates the American diet, can trigger brain changes that may lead to overeating.

After drinking a fructose beverage, the brain doesn't register the feeling of being full as it does when simple glucose is consumed, researchers found.

It's a small study and does not prove that fructose or its relative, high-fructose corn syrup, can cause obesity, but experts say it adds evidence they may play a role. These sugars often are added to processed foods and beverages, and consumption has risen dramatically since the 1970s along with obesity. A third of U.S. children and teens and more than two-thirds of adults are obese or overweight.

All sugars are not equal — even though they contain the same amount of calories — because they are metabolized differently in the body. Table sugar is sucrose, which is half fructose, half glucose. High-fructose corn syrup is 55 percent fructose and 45 percent glucose. Some nutrition experts say this sweetener may pose special risks, but others and the industry reject that claim. And doctors say we eat too much sugar in all forms.

For the study, scientists used magnetic resonance imaging, or MRI, scans to track blood flow in the brain in 20 young, normal-weight people before and after they had drinks containing glucose or fructose in two sessions several weeks apart.

Scans showed that drinking glucose "turns off or suppresses the activity of areas of the brain that are critical for reward and desire for food," said one study leader, Yale University endocrinologist Dr. Robert Sherwin. With fructose, "we don't see those changes," he said. "As a result, the desire to eat continues — it isn't turned off."

What's convincing, said Dr. Jonathan Purnell, an endocrinologist at Oregon Health & Science University, is that the imaging results mirrored how hungry the people said they felt, as well as what earlier studies found in animals.

"It implies that fructose, at least with regards to promoting food intake and weight gain, is a bad actor compared to glucose," said Purnell. He wrote a commentary that appears with the federally funded study in Wednesday's Journal of the American Medical Association.

Researchers now are testing obese people to see if they react the same way to fructose and glucose as the normal-weight people in this study did.

What to do? Cook more at home and limit processed foods containing fructose and high-fructose corn syrup, Purnell suggested. "Try to avoid the sugar-sweetened beverages. It doesn't mean you can't ever have them," but control their size and how often they are consumed, he said.

A second study in the journal suggests that only severe obesity carries a high death risk — and that a few extra pounds might even provide a survival advantage. However, independent experts say the methods are too flawed to make those claims.

The study comes from a federal researcher who drew controversy in 2005 with a report that found thin and normal-weight people had a slightly higher risk of death than those who were overweight. Many experts criticized that work, saying the researcher — Katherine Flegal of the Centers for Disease Control and Prevention — painted a misleading picture by including smokers and people with health problems ranging from cancer to heart disease. Those people tend to weigh less and therefore make pudgy people look healthy by comparison.

Flegal's new analysis bolsters her original one, by assessing nearly 100 other studies covering almost 2.9 million people around the world. She again concludes that very obese people had the highest risk of death but that overweight people had a 6 percent lower mortality rate than thinner people. She also concludes that mildly obese people had a death risk similar to that of normal-weight people.

Critics again have focused on her methods. This time, she included people too thin to fit what some consider to be normal weight, which could have taken in people emaciated by cancer or other diseases, as well as smokers with elevated risks of heart disease and cancer.

"Some portion of those thin people are actually sick, and sick people tend to die sooner," said Donald Berry, a biostatistician at the University of Texas MD Anderson Cancer Center in Houston.

The problems created by the study's inclusion of smokers and people with pre-existing illness "cannot be ignored," said Susan Gapstur, vice president of epidemiology for the American Cancer Society.

A third critic, Dr. Walter Willett of the Harvard School of Public Health, was blunter: "This is an even greater pile of rubbish" than the 2005 study, he said. Willett and others have done research since the 2005 study that found higher death risks from being overweight or obese.

Flegal defended her work. She noted that she used standard categories for weight classes. She said statistical adjustments were made for smokers, who were included to give a more real-world sample. She also said study participants were not in hospitals or hospices, making it unlikely that large numbers of sick people skewed the results.

"We still have to learn about obesity, including how best to measure it," Flegal's boss, CDC Director Dr. Thomas Frieden, said in a written statement. "However, it's clear that being obese is not healthy - it increases the risk of diabetes, heart disease, cancer, and many other health problems. Small, sustainable increases in physical activity and improvements in nutrition can lead to significant health improvements."

___

Online:

Obesity info: http://www.cdc.gov/obesity/data/trends.html

___

Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP

Mike Stobbe can be followed at http://twitter.com/MikeStobbe

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Wall Street starts new year with a bang after "cliff" deal

NEW YORK (Reuters) - Stocks kicked off the new year with their best day in over a year on Wednesday, sparked by relief over a last-minute deal in Washington to avert the "fiscal cliff" of tax hikes and spending cuts that threatened to derail the economy's growth.

In 2013's first trading session, the S&P 500 achieved its biggest one-day gain since December 20, 2011, pushing the benchmark index to its highest close since September 14.

Concerns over Washington's ability to sidestep the cliff had driven the S&P 500 down for five straight sessions, before signs that a resolution was near sent the benchmark index higher on the final trading session of 2012.

The CBOE Volatility Index or the VIX <.vix>, Wall Street's favorite gauge of investor anxiety, dropped 18.5 percent to 14.68 at the close. The VIX has fallen 35.4 percent over the past two sessions, the biggest 2-day percentage drop in the history of the index.

The Dow Jones industrial average <.dji> jumped 308.41 points, or 2.35 percent, to 13,412.55 at the close. The Standard & Poor's 500 Index <.spx> gained 36.23 points, or 2.54 percent, to finish at 1,462.42. The Nasdaq Composite Index <.ixic> climbed 92.75 points, or 3.07 percent, to end at 3,112.26.

U.S. markets were closed on Tuesday for New Year's Day.

Market breadth reflected the strong rally, with 10 stocks rising for every one that fell on the New York Stock Exchange. All 10 of the S&P 500 industry sector indexes gained at least 1 percent. The S&P financial index <.gspf> shot up 2.9 percent.

The S&P Information Technology index <.gspt> gained 3.2 percent, including Hewlett-Packard , which climbed 5.4 percent to $15.02. HP's gain followed a miserable 2012 when the stock fell nearly 45 percent as one of the S&P 500's worst performers for 2012.

On Tuesday, Congress passed a bill to prevent huge tax hikes and delay spending cuts that would have pushed the world's largest economy off a "fiscal cliff" and possibly into recession.

The vote avoided steep income-tax increases for a majority of Americans, but failed to resolve a major showdown over cutting the budget deficit, leaving investors and businesses with only limited clarity about the outlook for the economy. Spending cuts of $109 billion in military and domestic programs were temporarily delayed, and another fight over raising the U.S. debt limit also looms.

"We got through the fiscal cliff. The next big thing, and probably more contentious thing, is negotiating the debt ceiling and possibly entitlement reform in early 2013," said Jim Russell, senior equity strategist for U.S. Bank Wealth Management in Cincinnati.

Hard choices about budget cuts and the critical need to raise the debt ceiling will confront Congress about the same time in two months "so the fur will be flying," Russell said.

U.S. stocks ended 2012 with the S&P 500 up 13.4 percent for the year, as investors largely shrugged off worries about the fiscal cliff. For the year, the Dow gained 7.3 percent and the Nasdaq jumped 15.9 percent.

Bank shares rose following news that U.S. regulators are close to securing another multibillion-dollar settlement with the largest banks to resolve allegations that they unlawfully cut corners when foreclosing on delinquent borrowers.

Bank of America Corp rose 3.7 percent to $12.03 and Citigroup Inc gained 4.3 percent to $41.25. The KBW bank index <.bkx> rose 3.2 percent.

Shares of Zipcar Inc surged 47.8 percent to $12.18 after Avis Budget Group Inc said it would buy Zipcar for about $500 million in cash to compete with larger rivals Hertz and Enterprise Holdings Inc. Avis advanced 4.8 percent to $20.77.

Shares of Apple rose 3.2 percent to $549.03, helping to lift the S&P information technology index <.gspt> up 3.2 percent following a report that the most valuable tech company has started testing a new iPhone and a new version of its iOS software.

Economic data from the Institute for Supply Management showed U.S. manufacturing ended 2012 on an upswing despite fears about the fiscal cliff, but the Commerce Department reported that construction spending fell in November for the first time in eight months.

Volume was heavy, with about 7.8 billion shares traded on the New York Stock Exchange, the NYSE MKT and the Nasdaq, well above the 2012 daily average of 6.42 billion.

(Reporting by Chuck Mikolajczak; Editing by Jan Paschal)

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Kim Jong-un, North Korean Leader, Makes Overture to South

SEOUL, South Korea — The North Korean leader, Kim Jong-un, called for an end to the “confrontation” with rival South Korea on Tuesday in what appeared to be an overture to the incoming South Korean president as she was cobbling together South Korea’s new policy on the North.

North Korea issued a major policy statement on New Year’s Day, following a tradition set by Mr. Kim’s grandfather, the North Korean founder Kim Il-sung, and continued by his father, Kim Jong-il, who died in December 2011, bequeathing the dynastic rule to Mr. Kim.

Although Mr. Kim inherited the central policies of his father, outside analysts see him as trying to distance himself in a variety of ways from his father’s ruling style. Kim Jong-il was more feared than respected among his people, and his rule was marked by a major famine.

The most significant feature of Kim Jong-un’s speech was its marked departure of tone regarding South Korea.

“A key to ending the divide of the nation and achieving reunification is to end the situation of confrontation between the North and the South,” Mr. Kim said. “A basic precondition to improving North-South relations and advancing national reunification is to honor and implement North-South joint declarations.”

He was referring to two inter-Korean agreements, signed in 2000 and 2007, when two South Korean presidents, Kim Dae-jung and Roh Moo-hyun, were pursuing a “Sunshine Policy” of reconciliation and economic cooperation with North Korea and met Mr. Kim’s father in the North Korean capital, Pyongyang.

As a result of those agreements, billions of dollars of South Korean investment, aid and trade flowed into the North. Billions more were promised in investments in shipyards and factory parks, as the South Korean leaders believed that economic good will was the best way of encouraging North Korea to shed its isolation and hostility while reducing the economic gap between the Koreas and the cost of reunification in the future.

But that warming of ties ended when conservatives came to power in South Korea with the inauguration of President Lee Myung-bak in 2008. Mr. Lee suspended any large aid or investment because of the lack of progress toward dismantling the North’s nuclear weapons programs, and inter-Korean relations spiraled down, further aggravated by the North’s shelling of a South Korean island in 2010.Mr. Kim’s speech on Tuesday, which was broadcast through the North’s state-run television and radio stations, was another sign that the young leader was trying to emulate his grandfather, who was considered a more people-friendly leader and is still widely revered among North Koreans.

Mr. Kim returned to the tradition of Kim Il-sung, issuing the statement in a personal speech. During the rule of Kim Jong-il, the statement — which laid out policy guidelines for the new year and was studied by all branches of the party, state and military — was issued as a joint editorial of the country’s main official media.

In his speech, Kim Jong-un, echoed themes of previous New Year’s messages, emphasizing that improving the living standards of North Koreans and rejuvenating the agricultural and light industries were among the country’s main priorities.

But he revealed no details of any planned economic policy changes. He mentioned only a need to “improve economic leadership and management” and “spread useful experiences created in various work units.”

Since July, reports from various media suggest that Mr. Kim’s government has begun carrying out cautious economic incentives aimed at bolstering productivity at farms and factories. Some reports said the state was considering letting farmers keep at least 30 percent of their yield; currently, it is believed, they are allowed to sell only a surplus beyond a government-set quota that is rarely met.

Mr. Kim also vowed to strengthen his country’s military, calling for the development of more advanced weapons. But he made no mention of relations with the United States or the international efforts to halt North Korea’s nuclear weapons program. He simply reiterated that his government was willing to “expand and improve upon friendly and cooperative relationships with all countries friendly to us.”

Mr. Kim’s speech followed the successful launching of a satellite aboard a long-range rocket in December. North Korea’s propagandists have since been busy billing the launch as a symbol of what they called the North’s soaring technological might and Mr. Kim’s peerless leadership. Washington considered it a test of long-range ballistic-missile technology and a violation of United Nations Security Council resolutions banning such tests, and is seeking more sanctions to impose on the isolated country.

The incoming leader of South Korea, Park Geun-hye, who was the presidential candidate of Mr. Lee’s conservative governing party, did not immediate respond to the speech. Ms. Park is the daughter of Park Chung-hee, the former military strongman under whose rule from 1961 until 1979 a staunchly anti-Communist, pro-American political establishment took root in South Korea.

North Korea had engineered a couple of assassination attempts on Ms. Park’s father, one of which resulted in her mother’s death in 1974. But Ms. Park also traveled to Pyongyang in 2002 and discussed inter-Korean reconciliation with Kim Jong-il.

During her campaign for president, she said that if elected, she would decouple humanitarian aid from politics and try to hold a summit meeting with Kim Jong-un. She was in part reacting to widespread criticism in South Korea that Mr. Lee’s hard-line policy did little to change the North’s behavior.

During the campaign, however, Ms. Park stuck to Mr. Lee’s stance on the most contentious issue of large-scale investment, which the North considers crucial. Ms. Park, like the current president, insisted that any large-scale economic investments be preceded by the “building of trust” through progress in curbing North Korea’s nuclear weapons program.

Peace bought with “shoveling” of unrestrained aid under the Sunshine Policy was “a fake,” she said, citing the North’s long history of using military threats to win economic concessions.

Earlier, North Korea called her a “confrontational maniac” and “fascist.” But since her election, it has refrained from attacking her.

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Four Android productivity apps you should use in 2013

Happy New Year! Like most folks, I am working on some resolutions for 2013. One resolution I have is to be more productive. One way I am going to do this is by using my Android phone better. Now there are apps that I have, but really have not used to their fullest. As I work on this resolution, I might discover even better apps. For now I will focus on these impressive apps that can make anyone more productive.

I use Hootsuite on the computer, but rarely find myself engaging with it on my smartphone. With Hootsuite, you can manage Twitter, Facebook, LinkedIn, and Foursquare accounts. The free version allows for up to five accounts and one member of your team to access the account. There is a pro version with a monthly fee, in which you can have more accounts and team members and helpful analytics tools.

The design of the app is very good. If you sync the web version to mobile, you will have everything automatically downloaded to the phone. When viewing content, you swipe left or right to change columns or streams. If you are in the middle of a stream, simply tap the top menu bar to automatically return to the top. The app allows for multiple profiles and scheduled tweets. My goal is to keep up with my feeds and tweets in real-time rather than waiting until I get to a computer.

Another web service that I started to use, but find myself not using it to the fullest. Producteev is a web-based task management service. With Producteev you can work as an individual or in a team by setting up workspaces and then organize tasks by labels. For each task you can assign a priority, due date, and share with team members, if you have any. Overall, this is a great service, since I like making lists, even though I rarely remember having made them.

The Producteev app is available for all platforms. The app has a very clean interface and is easy to find tasks. Probably the best way to keep up with tasks is to use the different widget for the home screen. Seeing the widgets will help keep those key tasks in the forefront of your mind. The app will work offline and syncs in the background.

I read blogs every single day, especially those related to new apps, Android, or mobile news. The only way I can do that is via my Google Reader. I find myself trying to catch up each day on the computer (just like with Twitter activity) when I would be better off reading a little bit over time during the day. NewsRob is a Google Reader that I have had for years. The interface is very clean and easy to use. The developer created a bunch of customizations options, which really make this reader stand out.

With NewsRob you can set up a notification of new articles, how you synchronize with Google and when, how many articles to keep in your cache, and more. If you set up folders within Google Reader, NewsRob will download the folders, too. This enables you to read the posts by blog or folder. The app provides a very clean blogpost display optimized for smaller screens. With each post you can zoom in or out, mark a post read or unread, view in the browser, and share the link to email or services such as Evernote. There is a free version of the app.

The last task I need to work on to be more productive is to keep up with the calendar. I find myself checking on the computer, after the fact, finding out that I am either late or forgot about a meeting or appointment. Using Google calendar is a good place to start, but I have not found the standard calendar app on my Droid was all that helpful.

Business Calendar is a very capable calendar app that has a ton of features. The app lets you view your calendar in a number of different views, and has search and favorite-calendar features, to name a few. The option of viewing different calendars, color coding and being able to easily add, delete, and edit events is helpful. The ability to use widgets for reminders is important. The pro version has over 10 different sizes and allows for the import or export of calendar files in the iCalendar format. Business Calendar also has a free version.

So my top goal or resolution for 2013 is to be more productive. I think using these apps more will help me accomplish that goal. Are there any apps you have but not using to their fullest? What resolutions do you have for 2013?

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Jessica Simpson and Kendall & Kylie Jenner Make Readers Smile - and Frown

01/01/2013 at 07:00 PM EST

Splash News Online; Michael Simon/Startraks

What's on the minds of PEOPLE readers this week? We love getting your feedback, and as always, you weighed in – even while celebrating during the holidays – with plenty of reactions to all of our stories.

From Kelly Osbourne's dramatic weight loss to Jessica Simpson's happy baby news to the tragic death of hero surfer Dylan Smith in Puerto Rico, readers responded to what made them happy, what made them laugh out loud and what made them sad this week.

Check out the articles with the top reactions on the site this week, and keep clicking on the emoticons at the bottom of every story to tell us what you think!

Kelly Osbourne says loving herself was the key to her 60-lb. weight loss. She had to get to a place where she respected herself enough to take care of her health – and she emerged a fierce style star who is not afraid to rock a bikini.

Jessica Simpson became a new mom just 8 months ago – so the news that she's expecting baby No. 2 with fiancé Eric Johnson made readers say, "Wow!"

Reality stars Kendall and Kylie Jenner showed off expensive Christmas gifts on Instagram, and their pricey public display turned many readers off. From a pair of Louboutin spike heels to Balenciaga boots with a more than $1,000 price tag, the teens cleaned up with lavish presents that most could only dream about.

Dylan Smith captured our hearts with his heroic efforts during Superstorm Sandy, saving six people on his surfboard. But the Queens, N.Y., lifeguard, 23, who was named one of PEOPLE's Heroes of the Year, drowned on Dec. 24 in a surfing accident off Puerto Rico.

Does the idea of Tom Cruise dating a new woman make you laugh? Maybe. A story that falsely linked the actor romantically to a 26-year-old restaurant manager, had readers clicking LOL. Or maybe the funny part was this quote from a source, who told told PEOPLE: "He's single and will be talking to women – all of whom he won't be instantly dating."

Check back next week for another must-read roundup, and see what readers are reacting to every day here.

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Brain image study: Fructose may spur overeating

This is your brain on sugar — for real. Scientists have used imaging tests to show for the first time that fructose, a sugar that saturates the American diet, can trigger brain changes that may lead to overeating.

After drinking a fructose beverage, the brain doesn't register the feeling of being full as it does when simple glucose is consumed, researchers found.

It's a small study and does not prove that fructose or its relative, high-fructose corn syrup, can cause obesity, but experts say it adds evidence they may play a role. These sugars often are added to processed foods and beverages, and consumption has risen dramatically since the 1970s along with obesity. A third of U.S. children and teens and more than two-thirds of adults are obese or overweight.

All sugars are not equal — even though they contain the same amount of calories — because they are metabolized differently in the body. Table sugar is sucrose, which is half fructose, half glucose. High-fructose corn syrup is 55 percent fructose and 45 percent glucose. Some nutrition experts say this sweetener may pose special risks, but others and the industry reject that claim. And doctors say we eat too much sugar in all forms.

For the study, scientists used magnetic resonance imaging, or MRI, scans to track blood flow in the brain in 20 young, normal-weight people before and after they had drinks containing glucose or fructose in two sessions several weeks apart.

Scans showed that drinking glucose "turns off or suppresses the activity of areas of the brain that are critical for reward and desire for food," said one study leader, Yale University endocrinologist Dr. Robert Sherwin. With fructose, "we don't see those changes," he said. "As a result, the desire to eat continues — it isn't turned off."

What's convincing, said Dr. Jonathan Purnell, an endocrinologist at Oregon Health & Science University, is that the imaging results mirrored how hungry the people said they felt, as well as what earlier studies found in animals.

"It implies that fructose, at least with regards to promoting food intake and weight gain, is a bad actor compared to glucose," said Purnell. He wrote a commentary that appears with the federally funded study in Wednesday's Journal of the American Medical Association.

Researchers now are testing obese people to see if they react the same way to fructose and glucose as the normal-weight people in this study did.

What to do? Cook more at home and limit processed foods containing fructose and high-fructose corn syrup, Purnell suggested. "Try to avoid the sugar-sweetened beverages. It doesn't mean you can't ever have them," but control their size and how often they are consumed, he said.

A second study in the journal suggests that only severe obesity carries a high death risk — and that a few extra pounds might even provide a survival advantage. However, independent experts say the methods are too flawed to make those claims.

The study comes from a federal researcher who drew controversy in 2005 with a report that found thin and normal-weight people had a slightly higher risk of death than those who were overweight. Many experts criticized that work, saying the researcher — Katherine Flegal of the Centers for Disease Control and Prevention — painted a misleading picture by including smokers and people with health problems ranging from cancer to heart disease. Those people tend to weigh less and therefore make pudgy people look healthy by comparison.

Flegal's new analysis bolsters her original one, by assessing nearly 100 other studies covering almost 2.9 million people around the world. She again concludes that very obese people had the highest risk of death but that overweight people had a 6 percent lower mortality rate than thinner people. She also concludes that mildly obese people had a death risk similar to that of normal-weight people.

Critics again have focused on her methods. This time, she included people too thin to fit what some consider to be normal weight, which could have taken in people emaciated by cancer or other diseases, as well as smokers with elevated risks of heart disease and cancer.

"Some portion of those thin people are actually sick, and sick people tend to die sooner," said Donald Berry, a biostatistician at the University of Texas MD Anderson Cancer Center in Houston.

The problems created by the study's inclusion of smokers and people with pre-existing illness "cannot be ignored," said Susan Gapstur, vice president of epidemiology for the American Cancer Society.

A third critic, Dr. Walter Willett of the Harvard School of Public Health, was blunter: "This is an even greater pile of rubbish" than the 2005 study, he said. Willett and others have done research since the 2005 study that found higher death risks from being overweight or obese.

Flegal defended her work. She noted that she used standard categories for weight classes. She said statistical adjustments were made for smokers, who were included to give a more real-world sample. She also said study participants were not in hospitals or hospices, making it unlikely that large numbers of sick people skewed the results.

"We still have to learn about obesity, including how best to measure it," Flegal's boss, CDC Director Dr. Thomas Frieden, said in a written statement. "However, it's clear that being obese is not healthy - it increases the risk of diabetes, heart disease, cancer, and many other health problems. Small, sustainable increases in physical activity and improvements in nutrition can lead to significant health improvements."

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Online:

Obesity info: http://www.cdc.gov/obesity/data/trends.html

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Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP

Mike Stobbe can be followed at http://twitter.com/MikeStobbe

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House Republicans balk at "fiscal cliff" deal

WASHINGTON (Reuters) - Last-minute efforts to step back from the "fiscal cliff" ran into trouble on Tuesday as Republicans in the House of Representatives balked at a deal that would prevent Washington from pushing the world's biggest economy into a recession.

House Republicans complained that a bill passed by the Senate in a late-night show of unity to prevent a budget crisis contained tax hikes for the wealthiest Americans but no spending cuts. Some conservatives sought to change the bill to add cuts.

That would set up a high-stakes showdown between the two chambers and risk a stinging rebuke from financial markets that are due to open in Asia in a few hours.

The Senate would refuse to accept any changes to the bill, a Senate aide said, and it appeared increasingly possible that Congress could push the country over the fiscal cliff after all, despite months of effort.

Strictly speaking, the United States went over the cliff in the first minutes of the New Year because Congress failed to produce legislation to halt $600 billion of tax hikes and spending cuts that start kicking in on January 1.

But with financial markets and federal government offices closed for the New Year's Day holiday, lawmakers had a little more time to work out a compromise without real-world consequences.

The Senate bill drew overwhelming support from Republicans and Democrats alike when it passed by a vote of 89 to 8.

But Republicans who control the House expressed wide dismay with the measure, which includes only $12 billion in spending cuts along with $620 billion in tax increases on top earners.

Majority Leader Eric Cantor, the No. 2 Republican in the House, told reporters after huddling with other Republicans that he does not support the Senate's bill.

"The lack of spending cuts in the Senate bill was a universal concern amongst members in today's meeting. Conversations with members will continue throughout the afternoon on the path forward," said Cantor spokesman Rory Cooper.

Republicans returned for a second meeting at 5:15 p.m. EST (2215 GMT).

Republicans could face a backlash if they scuttle the deal. Income tax rates rose back to 1990s levels for all Americans at midnight, and across-the-board spending cuts on defense and domestic programs would begin to kick in on Wednesday.

Economists say the combination of tax cuts and spending cuts could cause the economy to shrink, and public opinion polls show Republicans would shoulder the blame.

MARKET DISCIPLINE?

Lingering uncertainty over U.S. fiscal policy has unnerved investors and depressed business activity for months.

Financial markets have staved off a steep plunge on the assumption that Washington would ultimately avoid pushing the country off the fiscal cliff into a recession.

Several Republicans said the fight could spill over until Wednesday, at which point they could be pressured by financial markets to accept the Senate bill.

"Everyone knows once the markets open tomorrow our courage drops in direct proportion to the market fall," said one Republican lawmaker who spoke on condition of anonymity.

The bill passed by the Democratic-led Senate at around 2 a.m. would raise income taxes on families earning more than $450,000 per year and limit the amount of deductions they can take to lower their tax bill.

Low temporary rates that have been in place for less-affluent taxpayers for the past decade would be made permanent, along with a range of targeted tax breaks put in place to fight the 2009 economic downturn.

However, workers would see up to $2,000 more taken out of their paychecks annually as a temporary payroll tax cut was set to expire.

The non-partisan Congressional Budget Office said the Senate bill would increase budget deficits by nearly $4 trillion over the coming 10 years, compared to the budget savings that would occur if the extreme measures of the cliff were to kick in.

But the bill would actually save $650 billion during that time period when measured against the tax and spending policies that were in effect on Monday, according to the Committee for a Responsible Federal Budget, an independent group that has pushed for more aggressive deficit savings.

(Additional reporting by Richard Cowan; Writing by Andy Sullivan; Editing by Alistair Bell and Eric Beech)

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Rape Incites Women to Fight Culture in India

Andrew Caballero-Reynolds/Agence France-Presse — Getty Images

A candlelight gathering after the cremation on Sunday blocked a road in New Delhi, the city where the Dec. 16 rape occurred.

NEW DELHI — Neha Kaul Mehra says she was only 7 years old the first time she was sexually harassed. She was walking to a dance class in an affluent neighborhood of New Delhi when a man confronted her and began openly masturbating.

That episode was far from the last. Years of verbal and physical sexual affronts left Ms. Mehra, now 29, filled with what she described as “impotent rage.”

Last week, she and thousands of Indian women like her poured that anger into public demonstrations, reacting to news of the gang rape of another young woman who had moved to the city from a small village, with a new life in front of her.

That woman, a 23-year-old physiotherapy student, died Saturday from internal injuries inflicted with a metal rod during the rape, which took place on a bus two weeks ago.

In her story and its brutal ending, many women in the world’s largest democracy say they see themselves.

“That girl could have been any one of us,” said Sangeetha Saini, 44, who took her two teenage daughters to a candle-filled demonstration on Sunday in Delhi. Women in India “face harassment in public spaces, streets, on buses,” she said. “We can only tackle this by becoming Durga,” she added, referring to the female Hindu god who slays a demon.

Indian women have made impressive gains in recent years: maternal mortality rates have dropped, literacy rates and education levels have risen, and millions of women have joined the professional classes. But the women at the heart of the protest movement say it was born of their outraged realization that no matter how accomplished they become, or how hard they work, women here will never fully take part in the promise of a new and more prosperous India unless something fundamental about the culture changes.

Indeed, many women in India say they are still subject to regular harassment and assault during the day and are fearful of leaving their homes alone after dark. Now they are demanding that the government, and a police force that they say offers women little or no protection, do something about it.

Ankita Cheerakathil, 20, a student at St. Stephen’s College who attended a protest on Thursday, remembered dreading the daily bus ride when she was in high school in the southern state of Kerala. Before she stepped outside her house, she recalled, she would scrutinize herself in a mirror, checking to see whether her blouse was too tight. At the bus stop, inevitably, men would zero in on the schoolgirls in their uniforms, some as young as 10, to leer and make cracks filled with sexual innuendo.

“This is not an isolated incident,” Ms. Cheerakathil said of the death of the New Delhi rape victim. “This is the story of every Indian woman.”

While the Dec. 16 attack was extreme in its savagery, gang rapes of women have been happening with frightening regularity in recent months, particularly in northern India. Critics say the response from a mostly male police force is often inadequate at best.

Last week, an 18-year-old woman in Punjab State committed suicide by drinking poison after being raped by two men and then humiliated by male police officers, who made her describe her attack in detail several times, then tried to encourage her to marry one of her rapists. Dozens more gang rapes have been reported in the states of Haryana, Bihar and Uttar Pradesh in recent months.

The government does not keep statistics on gang rape, but over all, rapes increased 25 percent from 2006 to 2011. More than 600 rapes were reported in New Delhi alone in 2012. So far, only one attack has resulted in a conviction.

Sociologists and crime experts say the attacks are the result of deeply entrenched misogynistic attitudes and the rising visibility of women, underpinned by long-term demographic trends in India.

After years of aborting female fetuses, a practice that is still on the rise in some areas because of a cultural preference for male children, India has about 15 million “extra” men between the ages of 15 and 35, the range when men are most likely to commit crimes. By 2020, those “extra” men will have doubled to 30 million.

“There is a strong correlation between masculinized sex ratios and higher rates of violent crime against women,” said Valerie M. Hudson, a co-author of “Bare Branches: The Security Implications of Asia’s Surplus Male Population.” Men who do not have wives and families often gather in packs, Ms. Hudson argues, and then commit more gruesome and violent crimes than they would on their own.

Reporting was contributed by Malavika Vyawahare, Anjani Trivedi, Niharika Mandhana and Saritha Rai.

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