Chastain horror film “Mama” takes big box office win

(Reuters) – Jessica Chastain overpowered Mark Wahlberg, Arnold Schwarzenegger and others as her low-budget horror flick emerged as the North American weekend box office champ and her Oscar-nominated “Zero Dark Thirty” captured the second spot as well.

Chastain’s supernatural thriller, “Mama,” pulled in $ 28.1 million from Friday through Sunday at U.S. and Canadian theaters, according to studio estimates, beating out a crop of new testosterone-fueled, male-targeted releases that finished far back in the pack.

“Zero Dark Thirty,” for which Chastain is a leading best actress Oscar contender, took in $ 17.6 million, while another late 2012 release and Oscar favorite, “Silver Linings Playbook,” finished third with $ 11.35 million.

“Broken City,” a crime thriller starring Wahlberg and Russell Crowe, finished fifth with $ 9 million behind “Gangster Squad’s” $ 9.1 million, while Schwarzenegger’s new action film, “The Last Stand,” earned $ 6.3 million for a dismal 10th place.

“Mama” stars Chastain as a guitarist who doesn’t want children but is forced to take care of two orphaned nieces who have been living in the woods. She and her husband try to re-adjust the little girls to normal life.

Based on a 2008 short film, the movie was produced for roughly $ 15 million.

“This is a great result, one we never would have expected especially for a film of this genre,” said Nikki Rocco, Universal’s president for domestic distribution.

“The timing was perfect,” she said, noting “the key was it’s a PG-13 movie that appealed to the under-25 female audience.”

The studio said it was hopeful that as the only PG-13 film in release this month it would continue to find an audience.

Chastain is a best actress Oscar nominee for her role as a dogged CIA agent in “Zero Dark Thirty,” the weekend’s second-place film about the decade-long manhunt for Osama bin Laden. The movie has taken in $ 55.9 million since late December.

“Silver Linings Playbook,” an Oscar-nominated romantic comedy about a former mental patient trying to rebuild his life, expanded nationwide for a strong third-place finish and a $ 55.3 million total since the movie starring Bradley Cooper and Jennifer Lawrence opened in late autumn.

Both Oscar contenders handily beat out a pair of new, male-oriented films, as did crime thriller “Gangster Squad.”

“The Last Stand” features Schwarzenegger’s return to a starring, big-screen role after a seven-year break while he was serving as governor of California, but managed only $ 6.3 million to finish 10th. The former “Terminator” will star in three movies over the next 12 months.

Schwarzenegger plays a retired Los Angeles policeman who works to protect a tiny border town from a notorious drug kingpin. The film was produced for about $ 45 million.

The studio noted that the weekend was crowded with several movie-going choices, and that two films were competing for the same audience, referring to the weekend’s other new movie, “Broken City,” which stars Wahlberg as a former New York cop who uncovers a scandal involving the mayor, played by Russell Crowe.

The top 10 movies were rounded out by “A Haunted House,” “Django Unchained,” “Les Miserables” and “The Hobbit: An Unexpected Journey.”

“Zero Dark Thirty” was released by Sony Corp’s movie studio.

“The Last Stand” was distributed by Lions Gate Entertainment.

“The Hobbit” and “Gangster Squad” were released by Warner Bros, a unit of Time Warner Inc.

“A Haunted House” was released by Open Road Films, a joint venture between theater owners Regal Entertainment Group and AMC Entertainment Inc.

“Django Unchained” and “Silver Linings Playbook” were distributed by Weinstein Co.

“Broken City” was distributed by 20th Century Fox, a unit of News Corp.

“Les Miserables” and “Mama” were distributed by Universal Pictures, a unit of Comcast Corp.

(Reporting By Lisa Richwine and Chris Michaud; Editing by Cynthia Osterman)

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The Week: A Roundup of This Week’s Science News

“Science,” a colleague once said at a meeting, “is a mighty enterprise, which is really rather quite topical.” He was so right: as we continue to enhance our coverage of the scientific world, we always aim to keep the latest news front and center.

His observation seemed like a nice way to introduce this column, which will highlight the week’s developments in health and science news and glance at what’s ahead. This past week, for instance, the mighty enterprise of science addressed itself to such newsy topics as the flu (there’s still time to get vaccinated!), and mental illness and gun control.

In addition to the big-headline stories that invite wisdom from scientists, each week there is a drumbeat of purely scientific and medical news that emerges from academic journals, fieldwork and elsewhere. These developments, from the quirky to the abstruse, often make their way into the daily news cycle, depending on the strength of the research behind them. (Well, that’s how we judge them, anyway.)

Many discoveries are hard to unravel. “In a way, science is antithetical to everything that has to do with a newspaper,” the same colleague observed. “You couldn’t imagine anything less consumer-friendly.”

Let’s aim to fix that. Below, a selection of the week’s stories.

DEVELOPMENTS

Health

Strange, but Effective

People with a bacterial infection called Clostridium difficile — which kills 14,000 Americans a year — have a startling cure: a transplant of someone else’s feces into their digestive system, which introduces good bacteria that the gut needs to fight off the bad. For some people, antibiotics don’t fix this problem, but an infusion of diluted stool from a healthy person seems to do the trick.

Genetics

Dig We Must

Hillery Metz and Hopi Hoekstra/Harvard University

Evolutionary biologists at Harvard took a tiny species of deer mice, known for building elaborate burrows with long tunnels, and bred it with another species of deer mice, which builds short-tunneled burrows. Comparing the DNA of the original mice with their offspring, the biologists pinpointed four regions of genetic code that help tell the mice what kind of burrow to construct.

Aerospace

Launch, Then Inflate

Uncredited/Bigelow Aerospace, via Associated Press

NASA signed a contract for an inflatable space habitat — roughly pineapple-shaped, with walls of floppy cloth — that will ideally be appended to the International Space Station in 2015. NASA aims to use the pod to test inflatable technology in space, but the company that builds these things, Bigelow Aerospace, has bigger ambitions: think of a 12-person apartment and laboratory in the sky, with two months’ rent at north of $26 million.

Biology

What’s Green and Flies?

Jodi Rowley/Australian Museum

National Geographic reported on an Australian researcher working in Vietnam who discovered a great-looking new species of flying frog. Described as having flappy forearms (the better for gliding), the three-and-a-half-inch-long frog likes to “parachute” from tree to tree, Jodi Rowley, an amphibian biologist at the Australian Museum in Sydney, told the magazine. She named it Helen’s Flying Frog, for her mother.

Privacy

That’s Joe’s DNA!

People who volunteer their genetic information for the betterment of science — and are assured anonymity — may find that their privacy is not a slam dunk. A researcher who set out to crack the identities of a few men whose genomes appeared in a public database was able to do so using genealogical Web sites (where people upload parts of their genomes to try to find relatives) as well as some simple search tools. He was trying to test the database’s security, but even he did not expect it to be so easy.

Genetics

An On/Off Switch for Disease

Geneticists have long puzzled over what it is that activates a disease in one person but not in another — even in identical twins. Now researchers from Johns Hopkins and the Karolinska Institute in Sweden who studied people with rheumatoid arthritis have identified a pattern of chemical tags that tell genes whether to turn on or not. In rheumatoid arthritis, the immune system attacks the body, and it is thought the tags enable the attack.

Planetary Science

That Red Planet

Everybody loves Mars, and we’re all secretly hoping that NASA’s plucky little rover finds evidence of life there. Meanwhile, a separate NASA craft — the Mars Reconnaissance Orbiter, which has been looping the planet since 2006 — took some pictures of a huge crater that looks as if it once held a lake fed by groundwater. It is too soon to say if the lake held living things, but NASA’s news release did include the happy phrase “clues to subsurface habitability.”

COMING UP

Animal Testing

Retiring Chimps

Emily Wabitsch/European Pressphoto Agency

A lot of people have strong feelings about the use of chimpanzees in biomedical and behavioral experiments, and the National Institutes of Health has been listening. On Tuesday, the agency is to release its recommendations for curtailing chimp research in a big way. This will be but a single step in a long process and it will apply only to the chimps the agency owns, but it may well stir big reactions from many constituencies.

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On the Road: A Farewell to ‘Nudity’ at Airport Checkpoints

TRULY bad ideas never die, in my opinion. So I wasn’t surprised to hear that, while the Transportation Security Administration says it is removing those much-reviled backscatter body-imaging scanners from airport checkpoints, the machines will be stored “until they can be redeployed to other mission priorities.”

I say, goodbye and good riddance to the scanners, which critics have called virtual strip-search machines. The T.S.A. wasn’t being specific about where the machines might be reused, but the federal government oversees transportation security in a variety of places, including train stations.

For years, critics have insisted that the images displayed by the backscatter machines (so named because of the way their X-ray waves are reflected off a body) are unacceptably detailed and graphic. But the T.S.A. has said it was working on privacy protections for those images.

Now, under pressure from Congress, the T.S.A. says that all 174 of the machines in use at airport security checkpoints will be removed by June 1. And the reason is that the manufacturer, Rapiscan Systems, a division of OSI Systems Inc., would fail to meet a Congressional deadline of June 1 requiring that all airport body-imaging machines be fitted with software that “produces a generic image of the individual being screened.”

The T.S.A. sounded pretty blunt in pointing a finger at the manufacturer. “Rapiscan was unable to fulfill their end of the contract” and develop the required privacy software, the agency said.

In a statement, Deepak Chopra, the chief executive of OSI Systems, noted the company’s longstanding “close relationship with the security agency,” and added, “We look forward to continuing to provide leading-edge technologies and services to the T.S.A.”

Of course, removing all Rapiscan machines (the T.S.A. had already taken 76 out of service last year) does not mean the end of the airport body-imaging machines. Nor does it mean the end of the widely disliked checkpoint drill of divesting yourself of all possessions, even handkerchiefs, and standing at attention, arms raised like an arrested bandit, while an electronic scanner buzzes over your body and a screener surveys the image.

Including the soon-to-be-gone Rapiscan machines, there are 843 body-scanners now in use at checkpoints in about 200 airports in the United States. But the majority of those machines, made by a unit of L-3 Communications Inc., employ millimeter-wave technology, which uses radio frequency waves to inspect a body. The Rapiscan machines use low-intensity X-ray beams.

In 2010, the Electronic Privacy Information Center sued the T.S.A.’s overseer, the Department of Homeland Security, calling for suspension of the use of body scanners that create “a physically invasive strip-search.” Meanwhile, criticism in Congress continued to mount.

L-3 had adopted software for its millimeter-wave machines that addressed the naked body image concerns. Rather than displaying the image of an individual’s naked body, the L-3 machines depict any foreign object on a person and display only a generic body outline, similar to the police chalk outline of a body at a homicide scene.

The imminent end of the Rapiscan backscatter machines — which cost about $180,000 each — would also seem to resolve the issue of safe levels of radiation doses that some critics raised about the technology. The T.S.A. repeated Monday that safety studies have shown those radiation concerns to be unwarranted.

The T.S.A. also stressed that the Rapiscan machines are being removed only because of the Congressional deadline on the image software and not for any safety reasons. “All equipment met its security mission,” David Castelveter, an agency spokesman, said on Monday.

The agency said that most of the backscatter units will be replaced with millimeter-wave units. The agency has about 60 millimeter-wave machines on order, which are about the same price as the Rapiscan machines, and is expected to buy more. Under the agreement, Rapiscan will bear the expense of removing its backscatter units from checkpoints and storing them until they can put to use elsewhere.

OSI said last week that it has not sold any Rapiscan machines to the T.S.A. in the 2012 and 2013 fiscal years and that it has about $5 million in orders that will now be “debooked.” But taxpayers have spent over $45 million on the Rapiscan machines now in the T.S.A.’s hands.

As to the future of those machines, Representative Bennie G. Thompson, a Mississippi Democrat who is ranking member of the House Committee on Homeland Security, said in a statement, “I want to make clear that if these machines cannot be altered to prevent the photographing of nude images, the American public must be assured that these machines will not be used in any other public federal facility.”

E-mail: jsharkey@nytimes.com

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Detainees in Afghanistan still being tortured, U.N. reports

KABUL, Afghanistan — Suspected insurgents continue to be tortured at numerous Afghan detention facilities, the United Nations reported Sunday.

More than half of the 635 detainees questioned by U.N. investigators in the 12 months ending in October were ill-treated or tortured, including being subjected to severe beatings or electric shocks, the United Nations Assistance Mission in Afghanistan said.

The allegations, which the Afghan government calls "exaggerated," are likely to complicate discussions about the handling of detainees, a source of debate between the United States and Afghanistan as the countries prepare for the departure of most foreign troops next year.

Many of the suspected fighters who end up in Afghan custody are captured by U.S. and allied troops. The North Atlantic Treaty Organization-led force said it has suspended the transfer of detainees to the facilities identified in the U.N. report and is working with Afghan authorities to address abuses.

Afghan President Hamid Karzai has frequently maintained that the handling of detainees is a question of national sovereignty. During discussions with President Obama this month, he reiterated his demand that all Afghan prisoners be turned over to Afghan authorities.

In a written response accompanying the U.N. report, the Afghan government said it had taken steps to ensure the lawful treatment of detainees, including issuing policy directives, increasing training and monitoring, and reassigning personnel.

Though it conceded that some abuses were possible, the government said insurgents were coached to say they had been mistreated if captured.

Jan Kubis, who heads the U.N. Assistance Mission in Afghanistan, acknowledged Afghan government efforts, which he said had yielded some positive results. "But the system isn't robust enough to eliminate ill-treatment of detainees," Kubis said in a statement. "Clearly more needs to be done to end and prevent torture."

The U.N. said allegations of torture decreased at some facilities after it issued a report in 2011 alleging widespread abuses in the Afghan detention system. The decrease corresponded with the suspension of NATO transfers to some facilities and increased monitoring, including by the NATO force, the new report said. But when foreign troops resumed transfers to those facilities and reduced monitoring, a resumption of abuses was observed.

Abuses appeared particularly prevalent at 34 facilities operated by the Afghan National Police, the border police and the National Directorate of Security, the country's intelligence agency, the study said.

Investigators found that the number of detainees in police custody who had been subjected to torture or ill-treatment increased from 35% in 2011 to 43% last year, while the prevalence of abuse at intelligence facilities dropped from 46% to 34%.

In all, 14 methods of abuse were documented. The report said evidence of torture occurred most frequently at facilities in the southern province of Kandahar, the heartland of the Taliban insurgency.

U.N. investigators received what they described as credible reports about the disappearance of 81 people who were arrested by Kandahar police between September 2011 and October 2012. They were also told about the reported existence of several unofficial detention sites and said some detainees held by intelligence officials were hidden from international observers — allegations denied by the intelligence agency.

alexandra.zavis@latimes.com

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BlackBerry Z10 confirmed for Verizon in new leak

Another day, another handful of BlackBerry 10 leaks to enjoy as the tech world waits for the new platform’s January 30th unveiling. Twitter user “evleaks,” who has a solid track record of leaking accurate details and images of unreleased smartphones, published a purported screenshot from Verizon Wireless (VZ) on Friday. The document confirms some details we already know — RIM’s (RIMM) first full-touch BlackBerry 10 phone will be called the BlackBerry Z10 and will feature 4G LTE, among other specs — and it also confirms Verizon will support the handset. An image of Verizon’s BlackBerry Z10 screenshot follows below.

[More from BGR: Samsung’s latest monster smartphone will reportedly have a 5.8-inch screen]

This article was originally published on BGR.com

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ABC News’ Barbara Walters hospitalized after fall

NEW YORK (AP) — Veteran ABC newswoman Barbara Walters has fallen at an inauguration party at an ambassador’s home in Washington and has been hospitalized.

Walters, 83, fell Saturday night on a step at the residence of Britain’s ambassador to the United States, Peter Westmacott, ABC News spokesman Jeffrey Schneider said. The fall left Walters with a cut on her forehead, he said.

Walters, out of an abundance of caution, went to a hospital for treatment of the cut and for a full examination, Schneider said on Sunday. She was alert and was “telling everyone what to do, which we all take as a very positive sign,” he said.

It was unclear when Walters might be released from the hospital, which ABC didn’t identify.

Walters was TV news’ first female superstar, making headlines in 1976 as a network anchor with an unprecedented $ 1 million annual salary. During more than three decades at ABC, and before that at NBC, her exclusive interviews with rulers, royalty and entertainers have brought her celebrity status. In 1997, she created “The View,” a live weekday talk show that became an unexpected hit.

Walters had heart surgery in May 2010 but returned to active duty on “The View” that September, declaring, “I’m fine!”

Even in her ninth decade, Walters continues to keep a busy schedule, including appearances on “The View,” prime-time interviews and her annual special, “10 Most Fascinating People,” on which, in December, she asked New Jersey Gov. Chris Christie if he considered himself fit enough to be president someday. (Christie, although acknowledging he is “more than a little” overweight, replied he would be up to the job.)

Last June, Walters apologized for trying to help a former aide to Syrian President Bashar Assad land a job or get into college in the United States. She acknowledged the conflict in trying to help Sheherazad Jaafari, daughter of the Syrian ambassador to the United States and a one-time press aide to Assad. Jaafari helped Walters land an interview with the Syrian president that aired in December 2011.

Walters said she realized the help she offered Jaafari was a conflict and said, “I regret that.”

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Well: Holly the Cat's Incredible Journey

Nobody knows how it happened: an indoor housecat who got lost on a family excursion managing, after two months and about 200 miles, to return to her hometown.

Even scientists are baffled by how Holly, a 4-year-old tortoiseshell who in early November became separated from Jacob and Bonnie Richter at an R.V. rally in Daytona Beach, Fla., appeared on New Year’s Eve — staggering, weak and emaciated — in a backyard about a mile from the Richters’ house in West Palm Beach.

“Are you sure it’s the same cat?” wondered John Bradshaw, director of the University of Bristol’s Anthrozoology Institute. In other cases, he has suspected, “the cats are just strays, and the people have got kind of a mental justification for expecting it to be the same cat.”

But Holly not only had distinctive black-and-brown harlequin patterns on her fur, but also an implanted microchip to identify her.

“I really believe these stories, but they’re just hard to explain,” said Marc Bekoff, a behavioral ecologist at the University of Colorado. “Maybe being street-smart, maybe reading animal cues, maybe being able to read cars, maybe being a good hunter. I have no data for this.”

There is, in fact, little scientific dogma on cat navigation. Migratory animals like birds, turtles and insects have been studied more closely, and use magnetic fields, olfactory cues, or orientation by the sun.

Scientists say it is more common, although still rare, to hear of dogs returning home, perhaps suggesting, Dr. Bradshaw said, that they have inherited wolves’ ability to navigate using magnetic clues. But it’s also possible that dogs get taken on more family trips, and that lost dogs are more easily noticed or helped by people along the way.

Cats navigate well around familiar landscapes, memorizing locations by sight and smell, and easily figuring out shortcuts, Dr. Bradshaw said.

Strange, faraway locations would seem problematic, although he and Patrick Bateson, a behavioral biologist at Cambridge University, say that cats can sense smells across long distances. “Let’s say they associate the smell of pine with wind coming from the north, so they move in a southerly direction,” Dr. Bateson said.

Peter Borchelt, a New York animal behaviorist, wondered if Holly followed the Florida coast by sight or sound, tracking Interstate 95 and deciding to “keep that to the right and keep the ocean to the left.”

But, he said, “nobody’s going to do an experiment and take a bunch of cats in different directions and see which ones get home.”

The closest, said Roger Tabor, a British cat biologist, may have been a 1954 study in Germany which cats placed in a covered circular maze with exits every 15 degrees most often exited in the direction of their homes, but more reliably if their homes were less than five kilometers away.

New research by the National Geographic and University of Georgia’s Kitty Cams Project, using video footage from 55 pet cats wearing video cameras on their collars, suggests cat behavior is exceedingly complex.

For example, the Kitty Cams study found that four of the cats were two-timing their owners, visiting other homes for food and affection. Not every cat, it seems, shares Holly’s loyalty.

KittyCams also showed most of the cats engaging in risky behavior, including crossing roads and “eating and drinking substances away from home,” risks Holly undoubtedly experienced and seems lucky to have survived.

But there have been other cats who made unexpected comebacks.

“It’s actually happened to me,” said Jackson Galaxy, a cat behaviorist who hosts “My Cat From Hell” on Animal Planet. While living in Boulder, Colo., he moved across town, whereupon his indoor cat, Rabbi, fled and appeared 10 days later at the previous house, “walking five miles through an area he had never been before,” Mr. Galaxy said.

Professor Tabor cited longer-distance reports he considered credible: Murka, a tortoiseshell in Russia, traveling about 325 miles home to Moscow from her owner’s mother’s house in Voronezh in 1989; Ninja, who returned to Farmington, Utah, in 1997, a year after her family moved from there to Mill Creek, Wash.; and Howie, an indoor Persian cat in Australia who in 1978 ran away from relatives his vacationing family left him with and eventually traveled 1,000 miles to his family’s home.

Professor Tabor also said a Siamese in the English village of Black Notley repeatedly hopped a train, disembarked at White Notley, and walked several miles back to Black Notley.

Still, explaining such journeys is not black and white.

In the Florida case, one glimpse through the factual fog comes on the little cat’s feet. While Dr. Bradshaw speculated Holly might have gotten a lift, perhaps sneaking under the hood of a truck heading down I-95, her paws suggest she was not driven all the way, nor did Holly go lightly.

“Her pads on her feet were bleeding,” Ms. Richter said. “Her claws are worn weird. The front ones are really sharp, the back ones worn down to nothing.”

Scientists say that is consistent with a long walk, since back feet provide propulsion, while front claws engage in activities like tearing. The Richters also said Holly had gone from 13.5 to 7 pounds.

Holly hardly seemed an adventurous wanderer, though her background might have given her a genetic advantage. Her mother was a feral cat roaming the Richters’ mobile home park, and Holly was born inside somebody’s air-conditioner, Ms. Richter said. When, at about six weeks old, Holly padded into their carport and jumped into the lap of Mr. Richter’s mother, there were “scars on her belly from when the air conditioner was turned on,” Ms. Richter said.

Scientists say that such early experience was too brief to explain how Holly might have been comfortable in the wild — after all, she spent most of her life as an indoor cat, except for occasionally running outside to chase lizards. But it might imply innate personality traits like nimbleness or toughness.

“You’ve got these real variations in temperament,” Dr. Bekoff said. “Fish can by shy or bold; there seem to be shy and bold spiders. This cat, it could be she has the personality of a survivor.”

He said being an indoor cat would not extinguish survivalist behaviors, like hunting mice or being aware of the sun’s orientation.

The Richters — Bonnie, 63, a retired nurse, and Jacob, 70, a retired airline mechanics’ supervisor and accomplished bowler — began traveling with Holly only last year, and she easily tolerated a hotel, a cabin or the R.V.

But during the Good Sam R.V. Rally in Daytona, when they were camping near the speedway with 3,000 other motor homes, Holly bolted when Ms. Richter’s mother opened the door one night. Fireworks the next day may have further spooked her, and, after searching for days, alerting animal agencies and posting fliers, the Richters returned home catless.

Two weeks later, an animal rescue worker called the Richters to say a cat resembling Holly had been spotted eating behind the Daytona franchise of Hooters, where employees put out food for feral cats.

Then, on New Year’s Eve, Barb Mazzola, a 52-year-old university executive assistant, noticed a cat “barely standing” in her backyard in West Palm Beach, struggling even to meow. Over six days, Ms. Mazzola and her children cared for the cat, putting out food, including special milk for cats, and eventually the cat came inside.

They named her Cosette after the orphan in Les Misérables, and took her to a veterinarian, Dr. Sara Beg at Paws2Help. Dr. Beg said the cat was underweight and dehydrated, had “back claws and nail beds worn down, probably from all that walking on pavement,” but was “bright and alert” and had no parasites, heartworm or viruses. “She was hesitant and scared around people she didn’t know, so I don’t think she went up to people and got a lift,” Dr. Beg said. “I think she made the journey on her own.”

At Paws2Help, Ms. Mazzola said, “I almost didn’t want to ask, because I wanted to keep her, but I said, ‘Just check and make sure she doesn’t have a microchip.’” When told the cat did, “I just cried.”

The Richters cried, too upon seeing Holly, who instantly relaxed when placed on Mr. Richter’s shoulder. Re-entry is proceeding well, but the mystery persists.

“We haven’t the slightest idea how they do this,” Mr. Galaxy said. “Anybody who says they do is lying, and, if you find it, please God, tell me what it is.”

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How M.I.T. Ensnared a Hacker, Bucking a Freewheeling Culture

Months earlier, the mysterious visitor had used the school’s computer network to begin copying millions of research articles belonging to Jstor, the nonprofit organization that sells subscription access to universities.

The visitor was clever — switching identifications to avoid being blocked by M.I.T.’s security system — but eventually the university believed it had shut down the intrusion, then spent weeks reassuring furious officials at Jstor that the downloading had been stopped.

However, on Jan. 3, 2011, according to internal M.I.T. documents obtained by The New York Times, the university was informed that the intruder was back — this time downloading documents very slowly, with a new method of access, so as not to alert the university’s security experts.

“The user was now not using any of the typical methods to access MITnet to avoid all usual methods of being disabled,” concluded Mike Halsall, a senior security analyst at M.I.T., referring to the university’s computer network.

What the university officials did not know at the time was that the intruder was Aaron Swartz, one of the shining lights of the technology world and a leading advocate for open access to information, with a fellowship down the road at Harvard.

Mr. Swartz’s actions presented M.I.T. with a crucial choice: the university could try to plug the weak spot in its network or it could try to catch the hacker, then unknown.

The decision — to treat the downloading as a continuing crime to be investigated rather than a security threat that had been stopped — led to a two-day cat-and-mouse game with Mr. Swartz and, ultimately, to charges of computer and wire fraud. Mr. Swartz, 26, who faced a potentially lengthy prison term and whose trial was to begin in April, was found dead of an apparent suicide in his Brooklyn apartment on Jan. 11.

Mr. Swartz’s supporters called M.I.T.’s decision a striking step for an institution that prides itself on operating an open computer network and open campus — the home of a freewheeling programming culture. M.I.T.’s defenders viewed the intrusion as a computer crime that needed to be taken seriously.

M.I.T. declined to confirm any of these details or comment on its actions during the investigation. The university’s president, L. Rafael Reif, said last week, “It pains me to think that M.I.T. played any role in a series of events that have ended in tragedy.” He appointed a professor, Hal Abelson, to analyze M.I.T.’s conduct in the investigation. To comment now, a spokeswoman for the university said, would be “to get ahead of that investigation.”

Early on Jan. 4, at 8:08 a.m., according to Mr. Halsall’s detailed internal timeline of the events, a security expert was able to locate that new method of access precisely — the wiring in a network closet in the basement of Building 16, a nondescript rectangular structure full of classrooms and labs that, like many buildings on campus, is kept unlocked.

In the closet, Mr. Halsall wrote, there was a netbook, or small portable computer, “hidden under a box,” connected to an external hard drive that was receiving the downloaded documents.

At 9:44 a.m. the M.I.T. police were called in; by 10:30 a.m., the Cambridge police were en route, and by 11 a.m., Michael Pickett, a Secret Service agent and expert on computer crime, was on the scene. On his recommendation, a surveillance camera was installed in the closet and a second laptop was connected to the network switch to track the traffic.

There may have been a reason for the university’s response. According to the timeline, the tech team detected brief activity from China on the netbook — something that occurs all the time but still represents potential trouble.

E-mails among M.I.T. officials that Tuesday in January 2011 highlight the pressures university officials felt over a problem they thought they had solved. Ann J. Wolpert, the director of libraries, wrote to Ellen Finnie Duranceau, the official who was receiving Jstor’s complaints: “Has there ever been a situation similar to this when we brought in campus police? The magnitude, systematic and careful nature of the abuses could be construed as approaching criminal action. Certainly, that’s how Jstor views it.”

Some of Mr. Swartz’s defenders argue that collecting and providing evidence to the government without a warrant may have violated federal and state wiretapping statutes.

John Schwartz contributed reporting.

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America’s national parks weigh solitude against cellular access

SALMON, Idaho (Reuters) – As cell phones, iPods and laptops creep steadily into every corner of modern life, America’s national parks have stayed largely off the digital grid, among the last remaining outposts of ringtone-free human solitude.

For better or worse, that may soon change.

Under pressure from telecommunications companies and a growing number of park visitors who feel adrift without mobile-phone reception, the airwaves in such grand getaway destinations as Yellowstone National Park may soon be abuzz with new wireless signals.

That prospect has given pause to a more traditional cohort of park visitors who cherish the unplugged tranquility of the great outdoors, fearing an intrusion of mobile phones – and the sound of idle chatter – will diminish their experience.

Some have mixed emotions. Stephanie Smith, a 50-something Montana native who visits Yellowstone as many as six times a year, said she prefers the cry of an eagle to ring tones.

But she also worries that future generations may lose their appreciation for the value of nature and the need to preserve America’s outdoor heritage if a lack of technology discourages them from visiting.

“You have to get there to appreciate it,” Smith said. “It’s a new world – and technology is a part of it.”

Balancing the two aesthetics has emerged as the latest challenge facing the National Park Service as managers in at least two premier parks, Yellowstone and Glacier national parks, consider recent requests to install new telecommunications towers or upgrade existing ones.

There is no system-wide rule governing cellular facilities in the 300 national parks, national monuments and other units the agency administers nationwide. Wireless infrastructure decisions are left up to the managers of individual park units.

The agency’s mission statement requires it to protect park resources and the visitor experience, but each individual experience is unique, said Lee Dickinson, a special-uses program manager for the Park Service.

“I’ve had two visitors calling me literally within hours of each other who wanted exactly the opposite experience: One saying he didn’t vacation anywhere without electronic access and the other complaining he was disturbed by another park visitor ordering pizza on his cell phone,” Dickinson said.

CAN YOU HEAR ME NOW?

Wireless supporters say more is at stake than the convenience of casual phone conversations. Cellular providers say new wireless infrastructure will boost public safety by improving communications among park rangers and emergency responders.

They argue that the ability to download smartphone applications that can deliver instant information on plants and animals will also enrich park visitors’ experiences.

“Our customers are telling us that having access to technology will enhance their visit to wild areas,” said Bob Kelley, spokesman for Verizon Wireless, which is seeking to install a new 100-foot cell tower at Yellowstone.

Rural communities that border the national parks also stand to benefit from enlarged cellular coverage areas.

On the other side of the debate, outdoor enthusiasts worry that bastions of quiet reflection could be transformed into noisy hubs where visitors yak on cell phones and fidget with electronic tablets, detracting from the ambience of such natural wonders as Yellowstone’s celebrated geyser Old Faithful.

Expanding cellular reception may even compromise safety by giving some tourists a false sense of security in the back country, where extremes in weather and terrain test even the most skilled outdoorsman, according to the National Parks Conservation Association.

Tim Stevens, the association’s Northern Rockies director, said distractions like meandering moose already challenge the attention of motorists clogging park roads at the height of the summer tourist season.

“People brake in the middle of the road to watch animals. The added distraction of a wireless signal – allowing a driver to text Aunt Madge to say how great the trip is – could have disastrous consequences,” he said.

Yellowstone already offers some limited mobile-phone service, afforded by four cellular towers previously erected in developed sections of the park.

But vast swathes of America’s oldest national park, which spans nearly 3,500 square miles across the states of Wyoming, Montana and Idaho, still lack wireless reception in an age dominated by Wi-Fi and iPad users who expect access even in the most remote locations.

Park officials see definite signs that a portion of the roughly 3 million annual visitors to Yellowstone, which crafted a wireless plan in 2008, are finding the lack of cell phone coverage disconcerting.

Park spokesman Al Nash said he routinely fields calls from anxious relatives of Yellowstone visitors unable to contact their loved ones.

“They say, ‘My gosh, my niece, daughter or parents went to Yellowstone, and we haven’t heard from them for three days,’” he said.

(Reporting and writing by Laura Zuckerman; Editing by Steve Gorman and David Gregorio)

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Obamas join military families for kids’ concert

WASHINGTON (AP) — First lady Michelle Obama and daughters Sasha and Malia are rocking out with hundreds of kids from military families and Washington-area public schools at the Kids’ Inaugural Concert.

Pop star Usher started off the proceedings Saturday evening with his hit song “Yeah.” The concert is chock-full of A-list talent, including Katy Perry, Mindless Behavior and members of the cast of the Fox series “Glee.”

The concert continues a tradition started at the 2009 inauguration by honoring the nation’s military families. It’s being hosted by Mrs. Obama and the vice president’s wife, Jill Biden, and emceed by Nick Cannon.

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