NASA Sets Record with Ion Thrusters Test

NASA has completed a 43,000 hour stress test — a record for ion thrusters — on a new rocket propulsion system that could extend future space travel to farther reaches of the solar system.

Developed by NASA’s Evolutionary Xenon Thruster Project, the 7-kilowatt ion thruster can burn 10-12 times longer than the conventional chemical thrusters used today. Though not practical for manned-spaceflight, the system could power exploratory rockets that reach outer planets and their moons.

[More from Mashable: NASA Unveils E-books on Hubble, Webb Space Telescopes]

To find out more, watch the video above and let us know your thoughts in the comments.

Photo courtesy of NASA

[More from Mashable: First ‘Alien Earth’ Will Be Found in 2013]

BONUS: 15 Twitter Accounts Every Space Lover Should Follow

Sunita Williams

Captain Williams is a NASA astronaut who recently completed the first triathlon in space.

Click here to view this gallery.

This story originally published on Mashable here.

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Hot spots draw believers, but not doomsday

As the sun rose from time zone to time zone across the world on Friday, there was still no sign of the world’s end — but that didn’t stop those convinced that a 5,125-year Mayan calendar predicts the apocalypse from gathering at some of the world’s purported survival hot spots.

Many of the esoterically inclined expected a new age of consciousness — others wanted a party. But, in some places said to offer salvation from the end, fewer people showed up than officials had predicted — much to the disappointment of vendors hoping to sell souvenirs.

Here are some key places being marked by the fascination over doomsday rumors:

MEXICO

In an area of Mexico that was once the ancient Mayan heartland, spiritualists gathered in the darkness before dawn on Friday to prepare white clothes, drums, conch shells and incense. They believed the sunrise would herald the birth of a new and better age as a vast cycle in the Mayan calendar comes to an end.

Many people who came to Yucatan for the occasion were already calling it “a new sun” and “a new era.”

FRANCE

According to one rumor, a rocky mountain in the French Pyrenees will be the sole place on Earth to escape destruction. A giant UFO and aliens are said to be waiting under the mountain, ready to burst through and spirit those nearby to safety. But there is bad news for those seeking salvation: French gendarmes, some on horseback, blocked outsiders from reaching the Bugarach peak and its village of some 200 people.

Eric Freysselinard, head of local government, said the security forces had “partially stopped the new age enthusiasts as well as curious people from coming to the area.”

Meanwhile, some Bugarach residents dressed up like aliens, with tinfoil costumes and funnels and fake antenna on their heads, strolling around their village Friday to make light of the rumored UFO prophecy.

RUSSIA

Doomsday rumors have prompted some people across Russia to stock up on candles, water, canned foods and other non-perishable foods. The apocalypse has proven a good business, with some shops selling survival aid packages that include soap and vodka.

In Moscow, salvation has also been promised in the underground bunker for the former Soviet dictator Josef Stalin — with a 50 percent refund if nothing happens. An underground stay was originally priced at 50,000 rubles ($ 1,625) but dropped to 15,000 ($ 490) a week ahead of the feared end.

The bunker, located 65 meters (210 feet) below ground, was designed to withstand a nuclear attack. Now home to a small museum, it has an independent electricity supply, water and food — but no more room, because the museum has already sold out all 1,000 tickets.

BRITAIN

Hundreds of people have converged on Stonehenge for an “End of the World” party that coincides with the Winter Solstice.

Arthur Uther Pendragon, Britain’s best-known druid, said he was anticipating a much larger crowd than usual at Stonehenge this year. But he doesn’t agree that the world is ending, noting that he and fellow druids believe that things happen in cycles.

“We’re looking at it more as a new beginning than an end,” he said. “We’re looking at new hope.”

Meanwhile, end-of-days parties will be held across London on Friday. One event billed as a “last supper club” is offering a three-course meal served inside an “ark.”

SERBIA

Some Serbs are saying to forget that sacred mountain in the French Pyrenees. The place to be Friday is Mount Rtanj, a pyramid-shaped peak in Serbia already drawing cultists.

According to legend, the mountain once swallowed an evil sorcerer who will be released on doomsday in a ball of fire that will hit the mountain top. The inside of the mountain will then open up, becoming a safe place to hide as the sorcerer goes on to destroy the rest of the world. In the meantime, some old coal mine shafts have been opened up as safe rooms.

On Friday a New Age group called “The Spirit of Rtanj” was holding a conference there. Participants, however, said they expect not the end of time but the start of a new time cycle. Locals turned out to sell brandy and herbs.

“There will be no tragedy, no doomsday,” said resident Dalibor Jovic. “It was supposed to happen at 12:12 and I think that time has passed. So, we can now go on with our lives and be happy to be alive.”

TURKEY

A small Turkish village known for its wines, Sirince, has also been touted as the only place after Bugarach that would escape the world’s end. But on Friday journalists and security officials outnumbered cultists. This outcome disappointed local business people who had prepared a range of doomsday products to sell, including a specially labeled Doomsday wine and Turkish delight candy whose “best before” date was Dec. 21, 2012. One restaurant prepared a special “last meal” menu that included a “heaven kebab” and “forbidden fruit dessert.”

ITALY

Another spot said to be spared: Cisternino, a beautiful small town in southern Italy in an area of trulli, traditional dry stone huts with conical roofs. The notion that Cisternino could be a safe haven at world’s end derives from an Indian guru, Babaji, who said “Cisternino will become an island” at world’s end. His followers built a community in Cisternino centered on an ashram built in 1979. Hotel bookings are up this weekend.

Mayor Donato Baccaro told the AP that the beauty of the place has inspired many foreigners to live there. “This confirms that this place has a special energy,” he said.

CHINA

A fringe Christian group has been spreading rumors about the world’s impending end, prompting Chinese authorities to detain more than 500 people this week and seize leaflets, video discs, books and other material.

Those detained are reported to be members of the group Almighty God, also called Eastern Lightning, which preaches that Jesus has reappeared as a woman in central China. Authorities in the province of Qinghai say they are waging a “severe crackdown” on the group, accusing it of attacking the Communist Party and the government.

U.S.

Dozens of Michigan schools canceled classes for thousands of students to cool off rumored threats of violence and problems related to doomsday. The fears were exacerbated by the recent shooting at a Connecticut elementary school, which “changed all of us,” the school system in Genesee County said. “Canceling school is the right thing to do.”

___

Associated Press writers Florent Bajrami in Bugarach, France; Mansur Mirovalev in Moscow; Peppino Ciraci in Cisternino, Italy; Suzan Fraser in Ankara, Turkey; Paisley Dodds in London; and Dejan Mladenovic in Mount Rtanj, Serbia, contributed to this report.

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Well: Exercise and the Ever-Smarter Human Brain

Anyone whose resolve to exercise in 2013 is a bit shaky might want to consider an emerging scientific view of human evolution. It suggests that we are clever today in part because a million years ago, we could outrun and outwalk most other mammals over long distances. Our brains were shaped and sharpened by movement, the idea goes, and we continue to require regular physical activity in order for our brains to function optimally.

Phys Ed

Gretchen Reynolds on the science of fitness.

The role of physical endurance in shaping humankind has intrigued anthropologists and gripped the popular imagination for some time. In 2004, the evolutionary biologists Daniel E. Lieberman of Harvard and Dennis M. Bramble of the University of Utah published a seminal article in the journal Nature titled “Endurance Running and the Evolution of Homo,” in which they posited that our bipedal ancestors survived by becoming endurance athletes, able to bring down swifter prey through sheer doggedness, jogging and plodding along behind them until the animals dropped.

Endurance produced meals, which provided energy for mating, which meant that adept early joggers passed along their genes. In this way, natural selection drove early humans to become even more athletic, Dr. Lieberman and other scientists have written, their bodies developing longer legs, shorter toes, less hair and complicated inner-ear mechanisms to maintain balance and stability during upright ambulation. Movement shaped the human body.

But simultaneously, in a development that until recently many scientists viewed as unrelated, humans were becoming smarter. Their brains were increasing rapidly in size.

Today, humans have a brain that is about three times larger than would be expected, anthropologists say, given our species’ body size in comparison with that of other mammals.

To explain those outsized brains, evolutionary scientists have pointed to such occurrences as meat eating and, perhaps most determinatively, our early ancestors’ need for social interaction. Early humans had to plan and execute hunts as a group, which required complicated thinking patterns and, it’s been thought, rewarded the social and brainy with evolutionary success. According to that hypothesis, the evolution of the brain was driven by the need to think.

But now some scientists are suggesting that physical activity also played a critical role in making our brains larger.

To reach that conclusion, anthropologists began by looking at existing data about brain size and endurance capacity in a variety of mammals, including dogs, guinea pigs, foxes, mice, wolves, rats, civet cats, antelope, mongooses, goats, sheep and elands. They found a notable pattern. Species like dogs and rats that had a high innate endurance capacity, which presumably had evolved over millenniums, also had large brain volumes relative to their body size.

The researchers also looked at recent experiments in which mice and rats were systematically bred to be marathon runners. Lab animals that willingly put in the most miles on running wheels were interbred, resulting in the creation of a line of lab animals that excelled at running.

Interestingly, after multiple generations, these animals began to develop innately high levels of substances that promote tissue growth and health, including a protein called brain-derived neurotrophic factor, or BDNF. These substances are important for endurance performance. They also are known to drive brain growth.

What all of this means, says David A. Raichlen, an anthropologist at the University of Arizona and an author of a new article about the evolution of human brains appearing in the January issue of Proceedings of the Royal Society Biology, is that physical activity may have helped to make early humans smarter.

“We think that what happened” in our early hunter-gatherer ancestors, he says, is that the more athletic and active survived and, as with the lab mice, passed along physiological characteristics that improved their endurance, including elevated levels of BDNF. Eventually, these early athletes had enough BDNF coursing through their bodies that some could migrate from the muscles to the brain, where it nudged the growth of brain tissue.

Those particular early humans then applied their growing ability to think and reason toward better tracking prey, becoming the best-fed and most successful from an evolutionary standpoint. Being in motion made them smarter, and being smarter now allowed them to move more efficiently.

And out of all of this came, eventually, an ability to understand higher math and invent iPads. But that was some time later.

The broad point of this new notion is that if physical activity helped to mold the structure of our brains, then it most likely remains essential to brain health today, says John D. Polk, an associate professor of anthropology at the University of Illinois at Urbana-Champaign, and co-author, with Dr. Raichlen, of the new article.

And there is scientific support for that idea. Recent studies have shown, he says, that “regular exercise, even walking,” leads to more robust mental abilities, “beginning in childhood and continuing into old age.”

Of course, the hypothesis that jogging after prey helped to drive human brain evolution is just a hypothesis, Dr. Raichlen says, and almost unprovable.

But it is compelling, says Harvard’s Dr. Lieberman, who has worked with the authors of the new article. “I fundamentally agree that there is a deep evolutionary basis for the relationship between a healthy body and a healthy mind,” he says, a relationship that makes the term “jogging your memory” more literal than most of us might have expected and provides a powerful incentive to be active in 2013.

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Airlines' plans for 2013 up in the air

Airfares will be on the rise in 2013, and those niggling airline fees will metamorphose into optional bundles of services.

Meanwhile, onboard amenities, such as Internet access, entertainment options and refreshed interiors, will abound among U.S. carriers, but tight seating in coach probably won't improve.

And 2013 might be the year you'll finally be able to keep your smartphone, iPad or Kindle turned on during takeoffs and landings.

Those are some of the predictions airline industry experts foresee in the new year. Here's the lowdown on fares, fees and flight experience for 2013.

Higher fares forecast

Airlines pushed through six fare increases in 2012. Expect a similar number in the new year, said Rick Seaney, co-founder of FareCompare.com.

"I wouldn't be surprised to see airfares rise like they did this year, between 3 and 6 percent domestically," Seaney said. That's because airlines will succeed in properly balancing supply and demand by trimming the number of seats they offer to match "decent, but bordering on tepid, demand."

Fares are typically driven by four main factors: competition, most of all, then supply, demand and oil prices. "If you look at those drivers, they are, for the most part, on the airlines' side, which gives them pricing power," Seaney said.

That doesn't mean there won't be good airfare deals on some flights on some routes. And consumers will still see lower prices during off-peak days, such as Tuesday, Wednesday and Saturday departures and off-peak seasons, such as late January and early February. Like this year, summertime fares probably will stay relatively high, he said.

Airline mergers can also affect fares, and a huge one could take place early in 2013. American Airlines and US Airways are in talks about combining.

The general consensus among consumer advocates is that airline mergers aren't good for passengers.

"Any time you have two big airlines merging, that means consumers have less choice and competition is reduced, which only translates to higher prices," said Charlie Leocha, director of the Consumer Travel Alliance.

However, a bit of new evidence bucks that conventional wisdom. Despite four mega-mergers in the U.S. airline industry during the past seven years, fares have not increased significantly, just 1.8 percent per year, according to a December report from professional services firm PwC. In fact, average domestic fares decreased 1 percent from 2004 to 2011 when inflation is factored in, the report found.

Fliers know full well, however, that the fare isn't all that counts nowadays. There are those fees.

Fees get a makeover

The most noticeable trend in recent years with airline fees is that there are more of them: fees for checked bags, aisle seats, onboard meals, among many others. 

"What we hear is that people pay their fare and get to the airport and feel they're constantly being nickeled-and-dimed to death for things that used to be included," said Kate Hanni, founder of FlyersRights.org. 

The top five U.S. carriers alone generated more than $12 billion in fees in 2011, with even more expected through 2012, according to the PwC report.

What consumers call fees, airlines call "unbundling" — making a la carte choices from services that used to be included in the fare.

A likely trend for 2013 might be called "rebundling," airlines packaging a few now-optional services and charging for a tier of service.

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Grim milestone: Austin shooting marks 500th homicide in Chicago

Chicago police investigate the scene of a fatal shooting in the 1000 block of North Lavergne on Chicago's West Side. (Chris Sweda/ Chicago Tribune)

Gave Bates smiled through tears as she swiped her hand across her phone, flipping through pictures of her cousin playing around and striking goofy poses.

"He was a lot of fun, very good at imitating people," Bates said of Nathaniel T. Jackson, 40. "He just had so much fun all the time. And we all grew up together in the same house."

Jackson was standing outside a store in the Austin neighborhood around 9 p.m. Thursday when someone walked up and shot him in the head, police said. His death was the 500th homicide in Chicago this year, marking a grim milestone. The city last reached that toll in 2008.

Jackson grew up on the West Side, a few miles away from where he was gunned down, and had been released from prison this past summer after serving a sentence for robbery. He had been shot several years ago, after an earlier stint in jail, and Bates said she constantly warned him to be careful on the street.

"The last time he was out, someone had shot him several times, in the back,"  Bates said as she stood outside Stroger Hospital, where Jackson was pronounced dead. "He was a fighter, he was a survivor."

Police had no motive on the shooting outside Noah Foods at Augusta Boulevard and Lavergne Avenue. No one was in custody.

Police tapped on apartment windows and knocked on doors looking for witnesses. A few bullet casings, which police believed were from a .45-caliber handgun, were found near the blood-stained sidewalk in front of the store.

Jackson's family sat for three hours in a waiting room at Stroger Hospital when staff members finally walked in and told them Jackson had died. Relatives stood up and exchanged tight embraces.

Bates said her cousin had been staying with a family friend after his release from prison in August. "We grew up on the West Side, over on Monroe and Homan. And then we got a little older, my grandmother moved us up on Kedzie and Armitage. And boy, was he a feisty one," she said.

As of Thursday night, homicides were up 17 percent over last year in Chicago, and shootings had increased by 11 percent, according to police statistics.

Largely contributing to the spike was the unusual number of homicides that occurred during the early part of the year, when the  city experienced unseasonable warmth. In the first three months of the year, homicides ran about 60 percent ahead of the 2011 rate.

jgorner@tribune.com
pnickeas@tribune.com

Twitter: @peternickeas

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Apple still said to account for 87% of North American tablet traffic as Kindle Fire, Nexus 7 gain

Apple’s (AAPL) share of the global tablet market is in decline now that low-cost Android slates are proliferating, but the iPad still appears to be the most used tablet by a huge margin. Ad firm Chitika regularly monitors tablet traffic in the United States and Canada and in its latest report, Apple’s iPad was responsible for almost 90% of all tablet traffic across the company’s massive network.

[More from BGR: Samsung looks to address its biggest weakness in 2013]

Using a sample of tens of millions of impressions served to tablets between December 8th and December 14th this year, Chitika determined that various iPad models collectively accounted for 87% of tablet traffic in North America. That figure is down a point from the prior month but still represents a commanding lead in the space.

[More from BGR: New purported BlackBerry Z10 specs emerge: 1.5GHz processor, 2GB RAM, 8MP camera]

The next closest device line, Amazon’s (AMZN) Kindle Fire tablet family, had a 4.25% share of tablet traffic during that period, up from 3.57% in November. Samsung’s (005930) Galaxy tablets made up 2.65% of traffic, up from 2.36%, and Google’s (GOOG) Nexus 7 and Nexus 10 tablets combined to account for 1.06% of tablet traffic in early December.

“Despite these gains by some of the bigger players in the tablet marketplace, there has been a negligible impact to Apple’s dominant usage share,” Chitika wrote in a post on its blog.

This article was originally published by BGR

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Piano maker Steinway takes down “for sale” sign

NEW YORK (Reuters) – Steinway Musical Instruments Inc, the famous manufacturer of pianos, saxophones and trumpets, said on Wednesday it had decided not to sell itself following a 17-month-long exploration of strategic alternatives.

An American icon synonymous with handmade grand pianos, Steinway has struggled to keep its production margins competitive amid stagnant sales, and has seen its shares plunge 10 percent year-to-date. Still, its third-quarter earnings last month offered signs that cost-cutting was paying off.

In a statement on Wednesday, Steinway said it had received several non-binding indications of interest in buying the company, following talks with other companies in the sector as well as private equity, yet these did not offer more value than its own strategic plan.

“We will continue to focus management’s efforts on execution of that plan and we look forward to a prosperous 2013,” Steinway CEO Michael Sweeney said in the statement.

An in-principle agreement to sell its band instrument division to an investor group led by two of its board members, Dana Messina and John Stoner, was also scrapped in light of the current operating performance of the band division, Steinway said.

In July 2011, Messina, Stoner and other members of management made an offer for Steinway’s band instrument and online music divisions, prompting the company to set up a special committee in order to assess it.

Later that month, Steinway asked investment bank Allen & Company LLC to a assist the special committee on exploring strategic alternatives that could also include selling the whole company outright to other interested parties.

By October 2011, Messina had stepped down as CEO of the company after 15 years at the helm to pursue his bid, yet he remained a board member. He was replaced by Sweeney, a chairman of the board of Star Tribune Media Holdings and a former president of Starbucks Coffee Company (UK) Ltd.

Steinway said on Wednesday that it was continuing a separate process to sell its leasehold interest in New York’s Steinway Hall building, situated on Manhattan’s 57th Street, and was in talks with several parties.

According to its website, Steinway & Sons, the company’s piano unit, opened the first Steinway Hall on 14th Street in Manhattan in 1866.

With a main auditorium of 2,000 seats, it became New York City’s artistic and cultural center, housing the New York Philharmonic until Carnegie Hall opened in 1891. These days, Steinway Hall is a showroom for the company’s instruments.

The Waltham, Massachusetts-based company’s pianos have been used by legendary artists such as Cole Porter and Sergei Rachmaninoff and by contemporary ones like Chinese concert pianist Lang Lang.

(Reporting by Greg Roumeliotis in New York; Editing by M.D. Golan)

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Well: Spinach Recipes for Health

Spinach goes well with all kinds of foods. It’s also a green that is easy to find year-round. As Martha Rose Shulman writes in this week’s Recipes for Health:

Spinach has remained a part of my holiday ritual. I love the convenience of bagged spinach, but I prefer the richness of the lush bunches I get at the farmers’ market. I don’t mind stemming and washing it, but if you are pressed for time the bagged spinach is a godsend, especially if you live in a cold climate and don’t have access to farmers’ market spinach in December.

Below are five new ways to add spinach to your meal. And for more spinach recipes, see “Making Spinach the Star of the Meal.”

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Spinach and Millet Timbale With Tomato Sauce
A timbale is a molded custard, somewhat similar to a quiche without a crust.

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Garlic Soup With Spinach
A quick and easy soup that is a great way to use any leftover turkey stock from Thanksgiving.

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Penne With Mushroom Ragout and Spinach
This is a delicious meal no matter what variety of mushrooms you have on hand.

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Spinach Gnocchi
A considerably lighter version of the classic gnocchi made with spinach and ricotta.

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Spinach, Sardine and Rice Gratin
This classic Provençal gratin is a good way to work fish that is high in omega-3s into your diet.

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McCormick Place development fight held over to 2013

The lengthy battle for control over property slated for hotel development adjacent to McCormick Place will extend into 2013 after a federal bankruptcy judge on Thursday gave the long-time property owners more time to show their plans have financial viability.

Judge Jack Schmetterer this month had given Olde Prairie Block Owner LLC until Thursday to show him it had plausible plans to repay its lenders, chief among them CenterPoint Properties Trust.

Olde Prairie, whose principals include Pamela Gleichman, her husband, Karl Norberg, and Gunnar Falk, have proposed selling portions of the properties for hotel development, with two deals projected to bring in $180 million. The developers said this would be sufficient to pay back lenders in full and develop the properties.

The lender, CenterPoint Properties Trust, contends the plan is not financially viable, in part because the sales agreements contained contingencies. As well, it argued that the structure of the deals would not provide sufficient funds to fully repay lenders.

Schmetterer gave Olde Prairie until Jan. 10 to show the potential buyer of the larger parcel had a firm financing commitment. He also is seeking greater clarity in the sales contract language.

The case has been closely watched because it involves parcels long eyed for development linked to McCormick Place. Speculation has swirled around possibilities,from hotels, restaurants and entertainment venues, including a possible casino, to an arena that could host the DePaul men's basketball team as well as corporate and religious assemblies.

The properties include a 3.67-acre parcel at 330 E. Cermak Rd., directly north of the administrative offices of the Metropolitan Pier and Exposition Authority, the state-city agency that owns McCormick Place, and a 1.23-acre parcel directly west of it at 230 E. Cermak, across the street from the center's West Building.

The authority, known as McPier, this month purchased a separate parcel on the 230 E. Cermak block, with an eye toward gathering enough property to expand hotel, restaurant and entertainment amenities near the convention campus.

kbergen@tribune.com

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Sen. Harry Reid: U.S. poised to go off 'fiscal cliff'

Rana Foroohar, Time magazine's assistant managing editor for business news, talks to Rebecca Jarvis and Jeff Glor about what a drop off the "fiscal cliff" could mean to businesses and consumers.

Richard Cowan and David Lawder




Reuters

10:02 a.m. CST, December 27, 2012

WASHINGTON, Dec 27 - Senate Majority Leader Harry Reid on Thursday warned that the United States looks to be headed over the "fiscal cliff" of tax hikes and spending cuts that will start next week if squabbling politicians do not reach a deal.

Reid, the top Democrat in Congress, criticized Republicans for refusing to go along with any tax increases as part of a budget remedy as he sketched out a pessimistic outlook.

"It looks like that is where we're headed," Reid said of the likelihood of the U.S. economy going over the "fiscal cliff" - with tax increases on most working Americans and automatic spending cuts kicking in next month.

Reid made his comments in a Senate floor speech at the opening of a post-Christmas session, adding that time was running out ahead of a December 31 deadline to act to avert the "fiscal cliff."

Reid urged House of Representatives Speaker John Boehner, the top Republican in Congress, to bring his chamber back into session and to avoid the biggest impact of the "fiscal cliff" by passing a Democratic-backed bill extending low income tax rates for all Americans except those with net household incomes above $250,000 a year.

House Republicans are expected to hold a telephone conference call on the fiscal cliff on Thursday afternoon, a House Republican aide said, adding that a schedule for returning to Washington would be discussed.

Should Congress fail to act by December 31, tax rates for all Americans would snap sharply higher, back to pre-2001 levels, and two days later, $109 billion in automatic spending cuts would start to take effect. Together, the higher taxes and lower spending would suck about $600 billion out of the U.S. economy, potentially causing a new recession in 2013.

On Wednesday, it was Boehner who urged the Democratic-controlled Senate to act first to avoid the fiscal cliff, offering to at least consider anything that the Senate produced.

Reid returned the volley on Thursday, saying that the Senate had already acted, and the Democrats' solution needs the consent of both Boehner and Senate Republican Leader Mitch McConnell.

Reid said Boehner "has just a few days left to change his mind" on the Senate bill. "I don't know time-wise how it can happen now."

(Reporting by David Lawder and Richard Cowan; Editing by Alistair Bell and Will Dunham)

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