Guild gold: Actors gather for SAG's big night

LOS ANGELES (AP) — A puzzling Academy Awards season will sort itself out a bit more on Sunday with the Screen Actors Guild Awards, where top performers gather to honor their own in what often is a prelude for who'll go home with an Oscar.

Among nominees for the 19th annual guild awards are Oscar winners Daniel Day-Lewis, Sally Field and Tommy Lee Jones for the Civil War epic "Lincoln"; Hugh Jackman and Anne Hathaway for the Victor Hugo musical adaptation "Les Miserables"; and Jennifer Lawrence, Bradley Cooper and Oscar recipient Robert De Niro for the oddball romance "Silver Linings Playbook."

De Niro and Jones are in an exclusive supporting-actors group where all five nominees are past Oscar winners. The others are Alan Arkin for the Iran hostage-crisis thriller "Argo," Javier Bardem for the James Bond adventure "Skyfall" and Philip Seymour Hoffman for the cult drama "The Master."

Honors from the actors union, next weekend's Directors Guild of America Awards and Saturday night's Producers Guild of America Awards — whose top honor went to "Argo" — typically help to establish clear favorites for the Oscars.

But Oscar night on Feb. 24 looks more uncertain this time after some top directing prospects, including Ben Affleck for "Argo" and Kathryn Bigelow for "Zero Dark Thirty," missed out on nominations. Both films were nominated for best picture, but a movie rarely wins the top Oscar if its director is not also in the running.

Steven Spielberg's "Lincoln" would seem the Oscar favorite with 12 nominations. Yet "Argo" and Affleck were surprise best-drama and director winners at the Golden Globes, and then there's Saturday's Producers Guild win for "Argo," leaving the Oscar race looking like anybody's guess.

The Screen Actors Guild honors at least should help to establish solid front-runners for the stars. All four of the guild's individual acting winners often go on to receive the same prizes at the Academy Awards.

Last year, the guild went just three-for-four — with lead actor Jean Dujardin of "The Artist" and supporting players Octavia Spencer of "The Help" and Christopher Plummer of "Beginners" also taking home Oscars. The guild's lead-actress winner, Viola Davis of "The Help," missed out on the Oscar, which went to Meryl Streep for "The Iron Lady."

The guild also presents an award for overall cast performance, its equivalent of a best-picture honor. The nominees are "Argo," ''The Best Exotic Marigold Hotel," ''Les Miserables," ''Lincoln" and "Silver Linings Playbook."

Yet the cast prize has a spotty record at predicting the eventual best-picture recipient at the Oscars. Only eight of 17 times since the guild added the category has the cast winner gone on to take the best-picture Oscar. "The Help" won the guild's cast prize last year, while Oscar voters named "The Artist" as best picture.

Such past guild cast winners as "The Birdcage," ''Gosford Park" and "Inglourious Basterds" also failed to take the top Oscar.

Airing live on TNT and TBS, the show features nine television categories, as well.

The SAG ceremony also includes awards for film and TV stunt ensemble. The film stunt nominees are "The Amazing Spider-Man," ''The Bourne Legacy," ''The Dark Knight Rises," ''Les Miserables" and "Skyfall."

Receiving the guild's life-achievement award is Dick Van Dyke, who presented the same prize last year to his "The Dick Van Dyke Show" co-star, Mary Tyler Moore. Van Dyke's award will be presented by his 1960s sitcom's creator and co-star, Carl Reiner, and Alec Baldwin.

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Online:

http://www.sagawards.com

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Brain Aging Linked to Sleep-Related Memory Decline

For decades scientists have known that the ability to remember newly learned information declines with age, but it was not clear why. A new study may provide part of the answer.

The report, posted online on Sunday by the journal Nature Neuroscience, suggests that structural brain changes occurring naturally over time interfere with sleep quality, which in turn blunts the ability to store memories for the long term.

Previous research had found that the prefrontal cortex, the brain region behind the forehead, tends to lose volume with age, and that part of this region helps sustain quality sleep, which is critical to consolidating new memories. But the new experiment, led by scientists at the University of California, Berkeley, is the first to link structural changes directly with sleep-related memory problems.

The findings suggest that one way to slow memory decline in aging adults is to improve sleep, specifically the so-called slow-wave phase, which constitutes about a quarter of a normal night’s slumber.

Doctors cannot reverse structural changes that occur with age any more than they can turn back time. But at least two groups are experimenting with electrical stimulation as a way to improve deep sleep in older people. By placing electrodes on the scalp, scientists can run a low current across the prefrontal area, essentially mimicking the shape of clean, high-quality slow waves.

The result: improved memory, at least in some studies. “There are also a number of other ways you can improve sleep, including exercise,” said Ken Paller, a professor of psychology and director of the cognitive neuroscience program at Northwestern, who was not involved in the research.

Dr. Paller said that a whole array of changes occurred across the brain during aging and that sleep was only one factor affecting memory function.

But Dr. Paller said that the study told “a convincing story, I think: that atrophy is related to slow-wave sleep, which we know is related to memory performance. So it’s a contributing factor.”

In the study, a research team in California took brain images from 19 people of retirement age and 18 in their early 20s. It found that a brain area called the medial prefrontal cortex, roughly behind the middle of the forehead, was about a third smaller on average in the older group than in the younger one — a difference due to natural atrophy over time, previous research suggests.

Before bedtime, the team had the two groups study a long list of words paired with nonsense syllables, like “action-siblis” and “arm-reconver.” The team used such nonwords because one type of memory that declines with age is for new, previously unseen information.

After training on the pairs for half an hour or so, the participants took a test on some of them. The young group outscored the older group by about 25 percent.

Then everyone went to bed — and bigger differences emerged. For one, the older group got only about a quarter of the amount of high-quality slow-wave sleep that the younger group did, as measured by the shape and consistency of electrical waves on an electroencephalogram machine, or EEG. It is thought that the brain moves memories from temporary to longer-term storage during this deep sleep.

On a second test, given in the morning, the younger group outscored the older group by about 55 percent. The estimated amount of atrophy in each person roughly predicted the difference between his or her morning and evening scores, the study found. Even seniors who were very sharp at night showed declines after sleeping.

“The analysis showed that the differences were due not to changes in capacity for memories, but to differences in sleep quality,” said Bryce A. Mander, a postdoctoral fellow at Berkeley, and the lead author of the study. His co-authors included researchers from the California Pacific Medical Center in San Francisco; the University of California, San Diego; and the Lawrence Berkeley National Laboratory.

The findings do not imply that medial prefrontal atrophy is the only age-related change causing memory problems, said Matthew P. Walker, a professor of psychology and neuroscience at Berkeley, and a co-author of the study.

“But these things are interrelated,” Dr. Walker said. “Essentially, with time, the less and less tissue you have in this prefrontal area, the less and less quality deep wave sleep you get, the less and less you remember of content that you just learned.”

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Rules to simplifying life come up short

Los Angeles-area author Matthew E. May has hit upon an attractive theme in his recent book, "The Law of Subtraction: 6 Simple Rules for Winning in the Age of Excess Everything" published by McGraw-Hill.

Who does not yearn for a guide to simplifying, synthesizing and subtracting some of the clutter, overload and demands of the "Age of Excess Everything"?

He has also cleverly subtracted from his own workload by inviting others, mostly authors and consultants like him, to contribute about a third of the material for his six laws for doing more with less in the form of summaries of their views.

Mind you, it took fellow author Daniel Pink to point out the appeal of the subject. "Subtraction is your meme. It's out there; it's growing," he told May just before he took the stage at a corporate conference, urging him to "own" it. "Best. Advice. Ever," writes May.

This exchange is itself a little guide to what the book is like. Not only is it full of people talking in a slightly artificial, visionary way about common sense objectives, it is also filled with contradictions. "Subtraction is growing" is only the first.

The book does contain good examples of the less-is-more theme, some well-known, some less so. May's opener (illustrating Law No. 1: "What isn't there can often trump what is") is the FedEx logo, featuring an arrow created by the blank space between the E and X. Lindon Leader, its designer, explains how he "didn't overplay it, didn't mention it" when pitching the idea. (He makes up for that here.)

May, who lives in Westlake Village, also provides a brief history of how Lockheed Corp. put a team of design engineers in a circus tent next to a foul-smelling plastics factory to design a jet fighter: the secret Skunk Works became a byword for how to foster innovation. (Law No. 5: "Break is the important part of breakthrough.")

He cites J.K. Rowling, who was inspired for the idea for Harry Potter on a long, boring train journey, in support of Law No. 6. ("Doing something isn't always better than doing nothing.").

My favorite came from contributor Bob Harrison, a retired police chief, who introduced an "unplan" to withdraw officers directing traffic after a July 4 fireworks display and discovered everyone got home more quickly. (Law No. 2: "The simplest rules create the most effective experience.")

But I find every subtractive success story has an additive counterweight, some of which are explicit in May's examples.

It is true that "creativity thrives under intelligent constraints" (Law No. 4), but Michelangelo — ordered to work on a fresco for the Sistine Chapel, not a sculpture, his preferred medium — then "expanded the job's scope," covering the walls as well as the ceiling.

Steve Jobs was a great simplifier, who "handed control to us" as users of Apple devices. But he was also a control freak when it came to designing the same artifacts, supervising fine detail, adding features and forcing his team to work all hours, rather than giving them time for "purposeful daydreaming," as May advocates elsewhere in his book.

"The Artist," the silent, black-and-white film that provides May with the book's coda, was a worthy Oscar winner — but so was 2008's "Slumdog Millionaire," with its cast of thousands and Bollywood-style excess.

May does not avoid these contradictions, but he does not really address them, either. He prefers to list examples of his six laws rather than explore how employers or their staff could reconcile the daily conflict between constraints and freedom, perspiration and inspiration.

In the interests of "owning" his Zen-inspired meme, May subtracts these complexities. Instead he offers tips, such as his invitation to take "long, languid showers" — No. 8 on a list of ways to relax the mind. This point "needs no explanation," May writes, "which is good, because I could find no research on the subject."

For most people at most companies, where the pressure to add customers, revenue and value is intense, it is as difficult to "subtract" as it is for most grown-ups to follow the advice of one of the book's contributors and live out of a suitcase in a near-empty apartment.

It is a pity, given the need to simplify many business processes, that May adds so little to the sum of knowledge about how to do it.

Hill is the management editor of the Financial Times of London, in which this review first appeared.

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China's smog taints economy, health

BEIJING — When a thick quilt of smog enveloped swaths of China earlier this month, it set in motion a costly chain reaction for the world's No. 2 economy.

Authorities canceled flights across northern China and ordered some factories shut. Hospitals were flooded with hacking patients.

A fire in an empty furniture factory in eastern Zhejiang province went undetected for hours because the smoke was indistinguishable from the haze. In coastal Shandong province, most highways were closed for fear that low visibility would cause motorists to crash. And in Beijing, the local government urged residents to remain indoors and told construction sites to scale back activity.

Photos: Smog in China

"These are emergency measures that have the same economic impact as a strike or severe weather," said Louis Kuijs, a Hong Kong-based economist with the Royal Bank of Scotland and formerly of the World Bank. "They're very painful."

Residents in the capital have taken to mocking their famously filthy air and its attendant health hazards with the expression "Beijing cough." Meanwhile, Shanghai's Environmental Protection Bureau has introduced a cartoon mascot to communicate daily air quality on its website: a pig-tailed girl who bursts into tears when smog reaches hazardous levels.

But economists say China's smog is no joke. As air pollution continues to obscure China's cities, the cost to the nation in lost productivity and health problems is soaring. The World Bank estimates sickness and early death sapped China of $100 billion in 2009, or just under 3% of gross domestic product. China is now home to seven of the 10 most-polluted cities in the world, according to a report by the Asian Development Bank and Beijing's Tsinghua University.

A study by Greenpeace and Peking University's School of Public Health put the cost of healthcare to treat pollution-related ailments in Beijing, Shanghai, Guangzhou and Xian at more than $1 billion last year.

Beijing resident Zhang Jian takes his 2-year-old son to a doctor regularly to treat the toddler's chronic sinus infection.

"It's definitely related to the pollution," said Zhang, 35, who wore a disposable mask at an overcrowded children's hospital recently. "My son snores and his nose is blocked constantly. It's a problem because he's too young to clear his nose like adults."

The doctor's visit and treatment cost Zhang about $320 — nearly a week's pay for the IT professional.

The Beijing government says it's considering a host of emergency measures to clear the air. Among them: limiting vehicle usage, spraying building sites to reduce dust and restricting outdoor barbecue grills.

Even China's next premier, Li Keqiang, weighed in recently on the issue. "This is a problem accumulated over a long period of time, and solving the problem will also require a long time. But we need to take action."

China's smog crisis is not unlike those experienced in London and Los Angeles in the 1950s. Public outcry ultimately led to cleaner air and tougher environmental regulations.

Environmental activists hope the same happens in China. The official response in recent weeks has raised optimism that authorities will begin addressing pollution more openly.

Until recently, state media was loathe to use the word "pollution," opting instead for the euphemism "fog."

But popular pressure is building, making it harder for policymakers to ignore the foul air in many of China's largest cities.

After the staggeringly bad bout of air pollution in the middle of this month, micro-bloggers took to posting pictures of themselves online wearing masks.

Some held handwritten signs that read, "I don't want to be a human vacuum cleaner."

The phrase became the top-trending topic on the Twitter-like Sina Weibo, attracting several million hits.

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Hackers claim attack on Justice Department website

WASHINGTON (Reuters) – Hackers sympathetic to the late computer prodigy Aaron Swartz claimed on Saturday to have infiltrated the website of the U.S. Justice Department’s Sentencing Commission, and said they planned to release government data.

The Sentencing Commission site, www.ussc.gov , was shut down early Saturday.

Identifying themselves as Anonymous, a loosely organized group of unknown provenance associated with a range of recent online actions, the hackers voiced outrage over Swartz’ suicide on January 11.

In a video posted online, the hackers criticized the government’s prosecution of Swartz, who had been facing trial on charges that he used the Massachusetts Institute of Technology‘s computer networks to steal more than 4 million articles from JSTOR, an online archive and journal distribution service.

Swartz had faced a maximum sentence of 31 years in prison and fines of up to $ 1 million.

The FBI is investigating the attack, according to Richard McFeely, of the bureau’s Criminal, Cyber, Response, and Services Branch.

“We were aware as soon as it happened and are handling it as a criminal investigation,” McFeely said in an emailed statement. “We are always concerned when someone illegally accesses another person’s or government agency’s network.”

(Reporting by Deborah Zabarenko; Editing by Vicki Allen)

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Kutcher takes on tech idol Steve Jobs in 'jOBS'

PARK CITY, Utah (AP) — Ashton Kutcher says playing Steve Jobs on screen "was honestly one of the most terrifying things I've ever tried to do in my life."

The 34-year-old actor helped premiere the biopic "jOBS" Friday, which was the closing-night film at the Sundance Film Festival.

Kutcher plays the Apple Inc. founder from the company's humble origins in the 1970s until the launch of the first iPod in 2001. A digital entrepreneur himself, Kutcher said he considers Jobs a personal hero.

"He's a guy who failed and got back on the horse," Kutcher said. "I think we can all sort of relate to that at some point in life."

Kutcher even embodied the Jobs character as he pursued his own high-tech interests off-screen.

"What was nice was when I was preparing for the character, I could still work on product development for technology companies, and I would sort of stay in character, in the mode of the character," he said. "But I didn't feel like I was compromising the work on the film by working on technology stuff because it was pretty much in the same field."

But playing the real-life tech icon who died in 2011 still felt risky, he said, because "he's fresh in our minds."

"It was kind of like throwing myself into this gauntlet of, I know, massive amounts of criticism because somebody's going to go 'well, it wasn't exactly...,'" Kutcher said.

While the filmmakers say they tried to be as historically accurate as possible, there was also a disclaimer at the very end of the credits that said portions of the film might not be completely accurate.

Still, realism was always the focus for Kutcher, who watched "hundreds of hours of footage," listened to Jobs' past speeches and interviewed several of his friends to prepare for the role.

The actor even adopted the entrepreneur's "fruitarian diet," which he said "can lead to some serious issues."

"I ended up in the hospital two days before we started shooting the movie," he said. "I was like doubled over in pain, and my pancreas levels were completely out of whack, which was completely terrifying, considering everything."

Jobs died of complications from pancreatic cancer.

Still, Kutcher was up to the challenge of playing Jobs, in part because of his admiration for the man who created the Macintosh computer and the iPod.

"I admire this man so much and what he's done. I admire the way he built things," Kutcher said. "This guy created a tool that we use every day in our life, and he believed in it when nobody else did."

The film also shows Jobs' less appealing side, withholding stock options from some of the company's original employees and denying child support to the mother of his eldest child.

Kutcher still found the man inspiring. Jobs had a singular focus, Kutcher said, and felt like anyone could change the world.

"I don't know if there's ever been an entrepreneur who's had more compassion and care for his consumer than Steve Jobs," Kutcher said. "He wanted to put something in your hand that you could use and you could use it easily... and he really cared about that."

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AP Entertainment Writer Sandy Cohen is on Twitter: www.twitter.com/APSandy.

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Religious Groups and Employers Battle Contraception Mandate

Shawn Thew/European Pressphoto Agency

President Obama, with his health secretary, Kathleen Sebelius, offering a compromise on the contraception mandate last year.

In a flood of lawsuits, Roman Catholics, evangelicals and Mennonites are challenging a provision in the new health care law that requires employers to cover birth control in employee health plans — a high-stakes clash between religious freedom and health care access that appears headed to the Supreme Court.

In recent months, federal courts have seen dozens of lawsuits brought not only by religious institutions like Catholic dioceses but also by private employers ranging from a pizza mogul to produce transporters who say the government is forcing them to violate core tenets of their faith. Some have been turned away by judges convinced that access to contraception is a vital health need and a compelling state interest. Others have been told that their beliefs appear to outweigh any state interest and that they may hold off complying with the law until their cases have been judged. New suits are filed nearly weekly.

“This is highly likely to end up at the Supreme Court,” said Douglas Laycock, a law professor at the University of Virginia and one of the country’s top scholars on church-state conflicts. “There are so many cases, and we are already getting strong disagreements among the circuit courts.”

President Obama’s health care law, known as the Affordable Care Act, was the most fought-over piece of legislation in his first term and was the focus of a highly contentious Supreme Court decision last year that found it to be constitutional.

But a provision requiring the full coverage of contraception remains a matter of fierce controversy. The law says that companies must fully cover all “contraceptive methods and sterilization procedures” approved by the Food and Drug Administration, including “morning-after pills” and intrauterine devices whose effects some contend are akin to abortion.

As applied by the Health and Human Services Department, the law offers an exemption for “religious employers,” meaning those who meet a four-part test: that their purpose is to inculcate religious values, that they primarily employ and serve people who share their religious tenets, and that they are nonprofit groups under federal tax law.

But many institutions, including religious schools and colleges, do not meet those criteria because they employ and teach members of other religions and have a broader purpose than inculcating religious values.

“We represent a Catholic college founded by Benedictine monks,” said Kyle Duncan, general counsel of the Becket Fund for Religious Liberty, which has brought a number of the cases to court. “They don’t qualify as a house of worship and don’t turn away people in hiring or as students because they are not Catholic.”

In that case, involving Belmont Abbey College in North Carolina, a federal appeals court panel in Washington told the college last month that it could hold off on complying with the law while the federal government works on a promised exemption for religiously-affiliated institutions. The court told the government that it wanted an update by mid-February.

Defenders of the provision say employers may not be permitted to impose their views on employees, especially when something so central as health care is concerned.

“Ninety-nine percent of women use contraceptives at some time in their lives,” said Judy Waxman, a vice president of the National Women’s Law Center, which filed a brief supporting the government in one of the cases. “There is a strong and legitimate government interest because it affects the health of women and babies.”

She added, referring to the Centers for Disease Control and Prevention, “Contraception was declared by the C.D.C. to be one of the 10 greatest public health achievements of the 20th century.”

Officials at the Justice Department and the Health and Human Services Department declined to comment, saying the cases were pending.

A compromise for religious institutions may be worked out. The government hopes that by placing the burden on insurance companies rather than on the organizations, the objections will be overcome. Even more challenging cases involve private companies run by people who reject all or many forms of contraception.

The Alliance Defending Freedom — like Becket, a conservative group — has brought a case on behalf of Hercules Industries, a company in Denver that makes sheet metal products. It was granted an injunction by a judge in Colorado who said the religious values of the family owners were infringed by the law.

“Two-thirds of the cases have had injunctions against Obamacare, and most are headed to courts of appeals,” said Matt Bowman, senior legal counsel for the alliance. “It is clear that a substantial number of these cases will vindicate religious freedom over Obamacare. But it seems likely that the Supreme Court will ultimately resolve the dispute.”

The timing of these cases remains in flux. Half a dozen will probably be argued by this summer, perhaps in time for inclusion on the Supreme Court’s docket next term. So far, two- and three-judge panels on four federal appeals courts have weighed in, granting some injunctions while denying others.

One of the biggest cases involves Hobby Lobby, which started as a picture framing shop in an Oklahoma City garage with $600 and is now one of the country’s largest arts and crafts retailers, with more than 500 stores in 41 states.

David Green, the company’s founder, is an evangelical Christian who says he runs his company on biblical principles, including closing on Sunday so employees can be with their families, paying nearly double the minimum wage and providing employees with comprehensive health insurance.

Mr. Green does not object to covering contraception but considers morning-after pills to be abortion-inducing and therefore wrong.

“Our family is now being forced to choose between following the laws of the land that we love or maintaining the religious beliefs that have made our business successful and have supported our family and thousands of our employees and their families,” Mr. Green said in a statement. “We simply cannot abandon our religious beliefs to comply with this mandate.”

The United States Court of Appeals for the 10th Circuit last month turned down his family’s request for a preliminary injunction, but the company has found a legal way to delay compliance for some months.

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Hackers take over sentencing commission website

The hacker-activist group Anonymous says it hijacked the website of the U.S. Sentencing Commission to avenge the death of Aaron Swartz, an Internet activist who committed suicide. The FBI is investigating.

The website of the commission, an independent agency of the judicial branch, was taken over early Saturday and replaced with a message warning that when Swartz killed himself two weeks ago "a line was crossed."

The hackers say they've infiltrated several government computer systems and copied secret information that they now threaten to make public.

Family and friends of Swartz, who helped create Reddit and RSS, say he killed himself after he was hounded by federal prosecutors. Officials say he helped post millions of court documents for free online and that he illegally downloaded millions of academic articles from an online clearinghouse.

The FBI's Richard McFeely, executive assistant director of the Criminal, Cyber, Response, and Services Branch, said in a statement that "we were aware as soon as it happened and are handling it as a criminal investigation. We are always concerned when someone illegally accesses another person's or government agency's network."

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Protesters slam Egypt government two years after revolution

CAIRO -- Young men and boys clashed with security forces as tens of thousands of Egyptians protested Friday against the Islamist-led government’s failure to fix the economy and heal the politically divided nation two years after the overthrow of Hosni Mubarak.

The anniversary of the revolution that led to Mubarak’s downfall was marked more by rancor than joy as familiar and troubling scenes played out across the country: Rock-throwing youths lunging at police through clouds of tear gas while peaceful demonstrators waved banners and shouted epithets against those in power.

President Mohamed Morsi has been engulfed by months of anger from secularists, who claim he and his Muslim Brotherhood party have turned increasingly authoritarian in a bid to advance an Islamic state at the expense of social justice. The protests were the latest reminder of the volatile politics and persistent mistrust that threaten Egypt’s transition.

PHOTOS: 2011 Egyptian protests

“Morsi is finished,” said Tarik Salama, an activist. “A big part of the population hates him now. It’s too late for him to turn around and say, ‘Hey guys, I love you.’ He’s in the same place as Mubarak was two years ago.

"Morsi’s biggest problem is that he failed to unify the country. A lot of people voted for him, but he failed.”

One banner raised in Tahrir read: "Two years since the revolution, and Egypt still needs another revolution." Protest chants harked back to the 18-day revolt that toppled Mubarak but were now directed at Morsi: “Leave, leave.”

The days ahead may prove more violent. Many of the youths clashing with police in Cairo, Alexandria and other cities are angry over an economy that offers little hope. They have been joined by hard-core soccer fans, known as Ultras, demanding that police officials be held accountable in the deaths of 74 soccer fans killed last year in a stadium riot.

A court verdict in that case is expected Saturday.

In recent days, youths in Cairo have battled police with stones and gasoline bombs around high cement barricades blocking streets leading from Tahrir Square to the parliament. Young men pulled part of the wall down but police drove them back, firing steady volleys of tear gas that cloaked the square and drifted over the Nile.

“These young men and kids have no jobs,” said Salama. “The young in Egypt feel there is no future for them. This is the big danger.”

By dusk Friday, youths with rags and scarves over their faces hurled stones and rushed barriers, preparing for another night of clashes. The unrest spurred the emergence of an anarchist group, known as the Black Bloc, whose masked, black-clad members threw Molotov cocktails and attempted to overrun the presidential palace and the upper house of parliament or Shura Council.  

More than 60 protesters and at least 30 police have been injured nationwide since early Friday in clashes that also led to attacks on offices of the Muslim Brotherhood.

The backlash against Morsi intensified in November when he expanded his presidential powers and, sidestepping the courts, pushed through a referendum on an Islamist-backed constitution. The liberal opposition, which has long been disorganized, attacked him for spoiling promises of democracy that inspired the 2011 revolution.

Morsi has said his actions were an effort to root out Mubarak-era loyalists from the government and propel the country toward parliamentary elections in the spring. But his biggest challenge, perhaps, is Egypt’s troubled economy that has lost more than half of its foreign reserves and worsened conditions for about 40% of Egyptians who live on $2 a day.

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Afghan bomber targets NATO convoy, kills 5 civilians

Afghanistan's new generation: Modern, ambitious ... naive?

U.N. expert launches investigation of drones, targeted killings

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Everything You Need to Know About Kim Dotcom’s Mega

Click here to view the gallery: Hands On With Mega

Mega — the long-anticipated file sharing and cloud storage site from Kim Dotcom — is now open to the public.

[More from Mashable: Google Glasses Spotted and Two Other Stories You Need to Know]

Thanks to its association with the now-defunct Megaupload — and the legal issues facing its founder Kim Dotcom — the amount of press, user interest and hype surrounding Mega is greater than any file hosting/cloud storage launch in recent memory.

According to Dotcom, more than 1 million users signed up for Mega in the first 24 hours. On Twitter, the larger-than-life entrepreneur has continued to share usage stats and traffic graphs that compare Mega with perennial cloud favorite, Dropbox.

[More from Mashable: 9 Fresh YouTube Shows You’ll Love]

If you’re curious about the inner workings of Mega, how it works and how it handles security, we’ve got you covered.

The Phoenix of Megaupload

Mega is the spiritual successor to Kim Dotcom’s last business, the insanely popular file-hosting service Megaupload. Last year, the U.S. Department of Justice shut down Megaupload and pursued criminal charges against Dotcom. Dotcom, a New Zealand citizen, is actively fighting U.S. extradition orders.

Megaupload was targeted by the DoJ because of its role in illegally distributing copyright material — including digital copies of movies, TV shows, books, music and software.

Rather than try to start a new service eschewing the potential for copyright material to be uploaded and shared, Dotcom is positioning Mega as a service that cares about and protects its user’s privacy. In fact, Mega’s tagline is “the privacy company.”

How It Works

On the surface, Mega is a bare-bones cloud storage host. After signing up for accounts, users can upload files and folders of all types to the service. Those files can then be shared with others.

The free plan gives users 50GB of file storage. There are no hard limits on file size, meaning users can use Mega as a way to back up photos, documents and other data. Obviously, this means users can use Mega as a way to store media content — video files, music, DVD images — as well.

For now, Mega is optimized to work on desktop web browsers. Mega strongly encourages users to use Google Chrome. And while Mega has big plans for developers and client-side apps, for now, the only way to access files is via the web browser.

Files can be uploaded to the service using drag and drop or a file-upload menu. Users can create folders in the file manager.

Uploads and downloads take place in parallel. If you upload a large number of files at once, each file uploads one at a time. In the future, Mega says users will be able to change the upload order. If you need to upload or download multiple files at once, simply open a new Mega tab in your browser and select that file.

You can upgrade to a higher-tiered storage plan from within your account. Mega doesn’t sell these plans itself; instead it has resellers who sell vouchers for a service. A 500GB storage plan with 1TB of enhanced bandwidth is 9.99 euros a month or 99 euros a year (a little over $ 110 U.S. dollars). That’s cheaper than most of its competitors.

The Importance of Passwords

It’s very important to remember the password you select when setting up your Mega account. The password is a big part of how Mega encrypts data on both ends.

During the sign-up process, Mega uses your password to create a 2,048-bit RSA key. This is the key that tells the system you are who you say you are. If you forget your password, you’re not going to be able to get into your account.

Right now, Mega doesn’t even have a password reset or recovery feature. In the future, Mega says it will have a reset mechanism but it will only allow users access to files or folders they have file keys for (more on file keys below). Users won’t be able to access other files until or unless they remember their password.

Because your Mega password is also your master encryption key, it’s important that users choose a secure password. We recommend using a password manager and printing a copy of the password to store in a safe place.

Understanding File Security

Mega is focused on end-to-end encryption. This means that files are encrypted both on upload and on download. With most traditional file hosts or cloud storage lockers, a public link to a file also includes a file path. With Dropbox, for example, the public or shared link includes the file name.

With Mega, things are a bit different. While users can share specific files to other Mega users or via email, the URL to a file doesn’t contain a file name; instead, a cryptographic key is appended to the URL. Without this key, you can’t access the file. Once decrypted by the server, a user has the option to download the linked file.

Mega’s promise, in other words, is that users control who has access to their files and accounts and no one else.

For important files or folders, users might want to make a note of the file key and keep it in a safe place — if they are worried about getting locked out of their account.

How Safe Are Your Files

Since Mega is touting itself as “the privacy company,” it’s important to look at how the company stores files and content.

The end-to-end encryption scheme is only part of how Mega secures data. Still, some are already criticizing the service, noting that it’s not as secure as it says it is. An article for Forbes cites two professionals who have problems with Mega’s security.

Matthew Green, a cryptography professor at John Hopkins University, is particularly critical of the way Mega uses JavaScript to verify its encryption method telling Forbes that “it makes no sense.”

Mega has responded to Green’s claims on its own blog, noting that its scheme “basically enables us to host the extremely integrity-sensitive static content on a large number of geographically diverse servers without worrying about security.”

Meanwhile, at Ars Technia Lee Hutchinson raises concerns about how Mega comes up with its crypto key at sign-up, as well as how the company handles deduplication, or how it eliminates duplicate copies of data.

Again, Mega has taken to its blog to attempt to clarify its policies and the way it handles data.

While Mega’s crypto system certainly doesn’t seem any less secure than any other file locker, we do agree with critics who note that the system might be more about giving Mega culpability against claims that it knows infringing content is on its servers, rather than about protecting that data itself.

The service is still in beta and much of its code is available via open source, so security purists might want to watch how Mega’s system evolves before trusting it with important, sensitive data.

Will Mega Stick Around?

While security experts can quibble and argue over the way Mega uses cryptography and how it stores data on its array of servers, the bigger issue, for us, is long-term survival.

While I would argue that most users who actively used Megaupload were not using it as a traditional cloud service, the fact remains that when the service was shut down, user files went with it.

Already anti-piracy groups are campaigning to shut down payment processors to Mega’s resellers. One of the reasons Mega isn’t taking payments itself and is instead using resellers is to prevent those groups from shutting down payment processors or trying to seize funds.

This is worrisome because in addition to outside capital, Mega needs professional accounts to keep its site working.

It’s too early to say if Mega will be around for the long haul or not, but our advice is not to use Mega as your only file storage solution. Keep backups of crucial files on disk or other cloud-based services.

What do you think of Mega? Let us know in the comments.

This story originally published on Mashable here.

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