FDA approves new targeted breast cancer drug

WASHINGTON (AP) — The Food and Drug Administration has approved a first-of-a-kind breast cancer medication that targets tumor cells while sparing healthy ones.

The drug Kadcyla from Roche combines the established drug Herceptin with a powerful chemotherapy drug and a third chemical linking the medicines together. The chemical keeps the cocktail intact until it binds to a cancer cell, delivering a potent dose of anti-tumor poison.

Cancer researchers say the drug is an important step forward because it delivers more medication while reducing the unpleasant side effects of chemotherapy.

"This antibody goes seeking out the tumor cells, gets internalized and then explodes them from within. So it's very kind and gentle on the patients — there's no hair loss, no nausea, no vomiting," said Dr. Melody Cobleigh of Rush University Medical Center. "It's a revolutionary way of treating cancer."

Cobleigh helped conduct the key studies of the drug at the Chicago facility.

The FDA approved the new treatment for about 20 percent of breast cancer patients with a form of the disease that is typically more aggressive and less responsive to hormone therapy. These patients have tumors that overproduce a protein known as HER-2. Breast cancer is the second most deadly form of cancer in U.S. women, and is expected to kill more than 39,000 Americans this year, according to the National Cancer Institute.

The approval will help Roche's Genentech unit build on the blockbuster success of Herceptin, which has long dominated the breast cancer marketplace. The drug had sales of roughly $6 billion last year.

Genentech said Friday that Kadcyla will cost $9,800 per month, compared to $4,500 per month for regular Herceptin. The company estimates a full course of Kadcyla, about nine months of medicine, will cost $94,000.

FDA scientists said they approved the drug based on company studies showing Kadcyla delayed the progression of breast cancer by several months. Researchers reported last year that patients treated with the drug lived 9.6 months before death or the spread of their disease, compared with a little more than six months for patients treated with two other standard drugs, Tykerb and Xeloda.

Overall, patients taking Kadcyla lived about 2.6 years, compared with 2 years for patients taking the other drugs.

FDA specifically approved the drug for patients with advanced breast cancer who have already been treated with Herceptin and taxane, a widely used chemotherapy drug. Doctors are not required to follow FDA prescribing guidelines, and cancer researchers say the drug could have great potential in patients with earlier forms of breast cancer

Kadcyla will carry a boxed warning, the most severe type, alerting doctors and patients that the drug can cause liver toxicity, heart problems and potentially death. The drug can also cause severe birth defects and should not be used by pregnant women.

Kadcyla was developed by South San Francisco-based Genentech using drug-binding technology licensed from Waltham, Mass.-based ImmunoGen. The company developed the chemical that keeps the drug cocktail together and is scheduled to receive a $10.5 million payment from Genentech on the FDA decision. The company will also receive additional royalties on the drug's sales.

Shares of ImmunoGen Inc. rose 2 cents to $14.32 in afternoon trading. The stock has ttraded in a 52-wek range of $10.85 to $18.10.

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Wall Street rebounds on HP results, Fed officials' views

NEW YORK (Reuters) - U.S. stocks rose on Friday as Dow component Hewlett-Packard surged on strong results and comments from Fed officials allayed fears that the central bank would curtail its stimulus measures.

Federal Reserve Chairman Ben Bernanke downplayed worries that the Fed has fueled asset bubbles that could hurt the economy in a private meeting with bond dealers and investors earlier this month, Bloomberg reported on Friday.

Bernanke's view helped ease fears that the central bank may end its easy money policies. Minutes from the Federal Reserve's January meeting hit markets on Wednesday as investors interpreted divergent opinions on the benefit of stimulus as a sign the measures may be halted sooner than thought.

"They are in uncharted territory with divergent views," said Jack Ablin, chief investment officer at BMO Private Bank in Chicago. "I could see some pretty heated opinions on what the ultimate outcome is, so I do believe there is dissension."

Hewlett-Packard Co shares jumped more than 12 percent and gave one of the biggest boosts to both the Dow and the S&P 500 after the personal computer maker's quarterly revenue and forecasts beat expectations. Hewlett-Packard's stock rose to $19.20 at the close, up 12.3 percent for the day.

The Dow Jones industrial average <.dji> gained 119.95 points, or 0.86 percent, to 14,000.57 at the close. The Standard & Poor's 500 Index <.spx> rose 13.18 points, or 0.88 percent, to 1,515.60. The Nasdaq Composite Index <.ixic> added 30.33 points, or 0.97 percent, to end at 3,161.82.

With Bernanke's reported comments much on their minds in Friday's session, investors will want the Fed chairman to reiterate his remarks publicly when he speaks before the Senate Banking Committee on Tuesday. That would echo comments made by two top Fed officials on Friday.

Boston Fed President Eric Rosengren and Fed Governor Jerome Powell both defended the U.S. central bank's asset-buying program, arguing that the policy helps the U.S. economy.

The S&P 500 shed 1.9 percent over the previous two sessions, its worst two-day drop since early November, following the release of the Fed's minutes on Wednesday. The selloff marked the end of seven back-to-back weeks of gains for stocks.

For the week, the S&P 500 slipped 0.3 percent and the Nasdaq lost nearly 1 percent. Only the Dow ended the week with a gain - up just 0.1 percent.

HP's results come near the end of a relatively strong earnings season in which 70 percent of S&P 500 companies beat analysts' expectations, compared with a 62 percent average since 1994 and 65 percent over the past four quarters, according to Thomson Reuters data.

"Overall, the earnings supports were better than expected in this cycle," said Peter Jankovskis, co-chief investment officer at OakBrook Investments LLC in Lisle, Illinois. "We may see the market rising during the month of March."

Fourth-quarter earnings for S&P 500 companies are estimated to have risen 6 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.

But with only a handful of companies left to report earnings, investors are looking ahead to the possibility of hefty automatic budget cuts that could happen on March 1.

A large option investor appeared to be adjusting a bearish view on the SPDR S&P 500 Trust fund while locking in previously established gains, in a possible hedge ahead of the automatic budget cuts that are set to take effect at the beginning of next month. The play involved weekly puts, expiring next Friday.

"An institutional investor appears to be rolling down and increasing in size a defensive hedge timed to match the March 1 deadline for the sequester," said Henry Schwartz, president of options analytics firm Trade Alert.

The trader sold 132,000 $149 to $150 weekly put spreads for 22 cents as shares of the exchange-traded fund had traded near $151.14 on Friday morning. The transaction entailed the sale of $150 weekly puts to buy the $149 weekly puts. In addition, the investor purchased another 42,000 $149 weekly puts, which increases the size of the hedge to 174,000 contracts.

"It is likely this large position protects an existing underlying long position in a portfolio," Schwartz said.

In another political risk factor, Italians go to the polls this weekend in an election that could threaten reforms in the indebted country. Silvio Berlusconi's resurgence has thrown the vote wide open, with deep uncertainty over whether the poll can produce the strong government the country needs.

Inconclusive Greek elections last year sparked a protracted selloff and a period of uncertainty in markets.

In the tech sector, Marvell Technology Group Ltd forecast results this quarter that were largely above analysts' expectations. Marvell gained market share in the hard-disk drive and flash-storage businesses. The stock rose 4.4 percent to $9.89.

Texas Instruments Inc raised its dividend by a third and boosted its stock-buyback program, driving its stock up 5.2 percent to $34.18.

The PHLX semiconductor index <.sox> gained 2.1 percent.

"Dividends growing are another way the market's level is justified, if not especially attractive at these levels," said Rex Macey, chief investment officer of Wilmington Trust in Atlanta, who manages about $20 billion in assets.

On the downside, Abercrombie & Fitch dropped 4.5 percent to $46.86 after the youth-oriented clothing retailer reported a drop in fourth-quarter comparable sales, even as its latest quarterly earnings topped estimates.

Insurer American International Group Inc posted fourth-quarter results that beat analysts' expectations. AIG's stock advanced 3.1 percent to $38.45.

About three stocks rose for every one that fell on both the New York Stock Exchange and Nasdaq.

Around 5.8 billion shares changed hands on the New York Stock Exchange, the Nasdaq and NYSE MKT, below the 20-day moving average of around 6.51 billion shares.

(Additional Reporting by Ryan Vlastelica and Doris Frankel; Editing by Kenneth Barry and Jan Paschal)

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‘Anonymous’ becomes latest victim in Twitter hacking spree

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The Hunger Games: Katniss & Peeta's Victory Tour Look Revealed

02/22/2013 at 06:00 PM EST

They survived the Hunger Games – but will they survive the Victory Tour?

Sporting bridal-like attire, Katniss (Jennifer Lawrence and Peeta (Josh Hutcherson) pose for a promotional poster for the Victory Tour – which – in the Hunger Games universe – is when the victor of the annual Hunger Games tournament visits each of the fictional Panem's districts.

As true Hunger Games fans know, there is usually only one victor – but Katniss and Peeta rebelled against the Capitol in the first movie, originally opting for joint suicide instead of murder.

The softer look is a deliberate statement, meant to continue the charade that Katniss and Peeta were blinded by love when they rebelled against the rules in the arena.

The second film, Catching Fire, hits theaters Nov. 22.

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Flu shot doing a poor job of protecting elderly

ATLANTA (AP) — It turns out this year's flu shot is doing a startlingly dismal job of protecting senior citizens, the most vulnerable age group.

The vaccine is proving only 9 percent effective in people 65 and older against the harsh strain of the flu that is predominant this season, the Centers for Disease Control and Prevention said Thursday.

Health officials are baffled as to why this is so. But the findings help explain why so many older people have been hospitalized with the flu this year.

Despite the findings, the CDC stood by its recommendation that everyone over 6 months get flu shots, the elderly included, because some protection is better than none, and because those who are vaccinated and still get sick may suffer less severe symptoms.

"Year in and year out, the vaccine is the best protection we have," said CDC flu expert Dr. Joseph Bresee.

Overall, across the age groups studied, the vaccine's effectiveness was found to be a moderate 56 percent, which means those who got a shot have a 56 percent lower chance of winding up at the doctor with the flu. That is somewhat worse than what has been seen in other years.

For those 65 and older, the vaccine was only 27 percent effective against the three strains it is designed to protect against, the worst level in about a decade. It did a particularly poor job against the tough strain that is causing more than three-quarters of the illnesses this year.

It is well known that flu vaccine tends to protect younger people better than older ones. Elderly people have weaker immune systems that don't respond as well to flu shots, and they are more vulnerable to the illness and its complications, including pneumonia.

But health officials said they don't know why this year's vaccine did so poorly in that age group.

One theory, as yet unproven, is that older people's immune systems were accustomed to strains from the last two years and had more trouble switching gears to handle this year's different, harsh strain.

The preliminary data for senior citizens is less than definitive. It is based on fewer than 300 people scattered among five states.

But it will no doubt surprise many people that the effectiveness is that low, said Michael Osterholm, a University of Minnesota infectious-disease expert who has tried to draw attention to the need for a more effective flu vaccine.

Among infectious diseases, flu is considered one of the nation's leading killers. On average, about 24,000 Americans die each flu season, according to the CDC.

This flu season started in early December, a month earlier than usual, and peaked by the end of year. Hospitalization rates for people 65 and older have been some of the highest in a decade, at 146 per 100,000 people.

Flu viruses tend to mutate more quickly than others, so a new vaccine is formulated each year to target the strains expected to be the major threats. CDC officials have said that in formulating this year's vaccine, scientists accurately anticipated the strains that are circulating this season.

Because of the guesswork involved, scientists tend to set a lower bar for flu vaccine. While childhood vaccines against diseases like measles are expected to be 90 or 95 percent effective, a flu vaccine that's 60 to 70 percent effective in the U.S. is considered pretty good. By that standard, this year's vaccine is OK.

For senior citizens, a flu vaccine is considered pretty good if it's in the 30 to 40 percent range, said Dr. Arnold Monto, a University of Michigan flu expert.

A high-dose version of the flu shot was recently made available for those 65 and older, but the new study was too small to show whether that has made a difference.

The CDC estimates are based on about 2,700 people who got sick in December and January. The researchers traced back to see who had gotten shots and who hadn't. An earlier, smaller study put the vaccine's overall effectiveness at 62 percent, but other factors that might have influenced that figure weren't taken into account.

The CDC's Bresee said there is a danger in providing preliminary results because it may result in people doubting — or skipping — flu shots. But the figures were released to warn older people who got shots that they may still get sick and shouldn't ignore any serious flu-like symptoms, he said.

___

Online:

CDC report: http://www.cdc.gov/mmwr

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Wall Street ends lower on growth worries

NEW YORK (Reuters) - U.S. stocks fell for a second straight day on Thursday and the S&P 500 posted its worst two-day loss since November after reports cast doubt over the health of the U.S. and euro-zone economies.

But a late-day rally helped stocks erase some of their losses with most of the pullback concentrated in the technology- heavy Nasdaq. The move suggested investors were still willing to buy on dips even after the sharp losses in the last session.

In Europe, business activity indexes dealt a blow to hopes that the euro zone might emerge from recession soon, showing the downturn across the region's businesses unexpectedly grew worse this month.

"The PMI numbers out of Europe were really a blow to the market," said Jack De Gan, chief investment officer at Harbor Advisory in Portsmouth, New Hampshire. "The market was expecting signs that recovery is still there, but the numbers just highlighted that the euro-zone problem is still persistent."

U.S. initial claims for unemployment benefits rose more than expected last week while the Federal Reserve Bank of Philadelphia said its index of business conditions in the U.S. mid-Atlantic region fell in February to the lowest in eight months.

Gains in Wal-Mart Stores Inc shares helped cushion the Dow. The shares gained 1.5 percent to $70.26 after the world's largest retailer reported earnings that beat expectations, though early February sales were sluggish.

The Dow Jones industrial average <.dji> fell 46.92 points, or 0.34 percent, to 13,880.62 at the close. The Standard & Poor's 500 Index <.spx> lost 9.53 points, or 0.63 percent, to 1,502.42. The Nasdaq Composite Index <.ixic> dropped 32.92 points, or 1.04 percent, to close at 3,131.49.

The two-day decline marked the U.S. stock market's first sustained pullback this year. The Standard & Poor's 500 has fallen 1.8 percent over the period and just managed to hold the 1,500 level on Thursday. Still, the index is up 5.3 percent so far this year.

The abrupt reversal in markets, which started on Wednesday after minutes from the Federal Reserve's January meeting suggested stimulus measures may end earlier than thought, looks set to halt a seven-week winning streak for stocks that had lifted the Dow and the S&P 500 close to all-time highs.

Wall Street will soon face another test with the upcoming debate in Washington over the automatic across-the-board spending cuts put in place as part of a larger congressional budget fight. Those cuts, set to kick in on March 1 unless lawmakers agree on an alternative, could depress the economy.

Semiconductor stocks ranked among the weakest of the day, pressuring the Nasdaq as the Philadelphia Semiconductor Index <.sox> fell 1.8 percent. Intel Corp fell 2.3 percent to $20.25 while Advanced Micro Devices lost 3.7 percent to $2.60 as the S&P 500's biggest percentage decliner.

The Dow also got a helping hand from personal computer maker Hewlett-Packard Co , which rose 2.3 percent to end the regular session at $17.10. The company was scheduled due to report first-quarter results after the closing bell.

Shares of Boeing Co rose 1.6 percent to $76.01 as a senior executive was set to meet with the head of the U.S. Federal Aviation Administration on Friday and present a series of measures to prevent battery failures that grounded its 787 Dreamliner fleet, according to a source familiar with the plans.

In other company news, shares of supermarket operator Safeway Inc jumped 14.1 percent to $22.97 after the company reported earnings that beat expectations.

Shares of VeriFone Systems Inc tumbled nearly 43 percent to $18.24 after the credit-card swipe machine maker forecast first- and second-quarter profits well below expectations.

Of the 427 companies in the S&P 500 that have reported results so far, 69.3 percent have exceeded analysts' expectations, compared with a 62 percent average since 1994 and 65 percent over the past four quarters, according to Thomson Reuters data through Thursday morning.

Fourth-quarter earnings for S&P 500 companies are estimated to have risen 5.9 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.

Berry Petroleum Co jumped 19.3 percent to $46.02 after oil and gas producer Linn Energy LLC said it would buy the company in an all-stock deal valued at $4.3 billion, including debt. Linn Energy shares advanced 2.8 percent to $37.68.

About two stocks fell for everyone that rose on the New York Stock Exchange and Nasdaq. About 7.64 billion shares changed hands on the New York Stock Exchange, the Nasdaq and NYSE MKT, well above the 20-day moving average of around 6.6 billion shares.

(Editing by Jan Paschal)

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French, Malian forces fight Islamist rebels in Gao

GAO, Mali (Reuters) - French and Malian troops fought Islamists on the streets of Gao and a car bomb exploded in Kidal on Thursday, as fighting showed little sign of abating weeks before France plans to start withdrawing some forces.

Reuters reporters in Gao in the country's desert north said French and Malian forces fired at the mayor's office with heavy machineguns after Islamists were reported to have infiltrated the Niger River town during a night of explosions and gunfire.

French Defense Minister Jean-Yves Le Drian told a news conference in Brussels that Gao was back under control after clashes earlier in the day.

"Malian troops supported by French soldiers killed five jihadists and the situation is back to normal," he said.

In Kidal, a remote far north town where the French are hunting Islamists, residents said a car bomb killed two. A French defense ministry source reported no French casualties.

French troops dispatched to root out rebels with links to al Qaeda swiftly retook northern towns last month. But they now risk being bogged down in a guerrilla conflict as they try to help Mali's weak army counter bombings and raids.

"There was an infiltration by Islamists overnight and there is shooting all over the place," Sadou Harouna Diallo, Gao's mayor, told Reuters by telephone earlier in the day, saying he was not in his office at the time.

Gao is a French hub for operations in the Kidal region, about 300 km (190 miles) northeast, where many Islamist leaders are thought to have retreated and foreign hostages may be held.

"They are black and two were disguised as women," a Malian soldier in Gao who gave his name only as Sergeant Assak told Reuters during a pause in heavy gunfire around Independence Square.

Six Malian military pickups were deployed in the square and opened fire on the mayor's office with the heavy machineguns. Two injured soldiers were taken away in an ambulance.

French troops in armored vehicles later joined the battle as it spilled out into the warren of sandy streets, where, two weeks ago, they also fought for hours against Islamists who had infiltrated the town via the nearby river.

Helicopters clattered over the mayor's office, while a nearby local government office and petrol station was on fire.

A Gao resident said he heard an explosion and then saw a Malian military vehicle on fire in a nearby street.

Paris has said it plans to start withdrawing some of its 4,000 troops from Mali next month. But rebels have fought back against Mali's weak and divided army, and African forces due to take over the French role are not yet in place.

Islamists abandoned the main towns they held but French and Malian forces have said there are pockets of Islamist resistance across the north, which is about the size of France.

CAR BOMB

Residents reported a bomb in the east of Kidal on Thursday.

"It was a car bomb that exploded in a garage," said one resident who went to the scene but asked not to be named.

"The driver and another man were killed. Two other people were injured," he added.

A French defense ministry official confirmed there had been a car bomb but said it did not appear that French troops, based at the town's airport, had been targeted.

Earlier this week, a French soldier was killed in heavy fighting north of Kidal, where French and Chadian troops are hunting Islamists in the Adrar des Ifoghas mountains, which border Algeria.

Operations there are further complicated by the presence of separatist Tuareg rebels, whose rebellion triggered the fighting in northern Mali last year but were sidelined by the better-armed Islamists.

Having dispatched its forces to prevent an Islamist advance south in January, Paris is eager not to become bogged down in a long-term conflict in Mali. But their Malian and African allies have urged French troops not to pull out too soon.

(Additional reporting by Emanuel Braun in Gao, Adama Diarra in Bamako, David Lewis and John Irish in Dakar and Adrian Croft in Brussels; Writing by David Lewis; Editing by Jason Webb and Roger Atwood)

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Why Twitter Makes Us Want to Add Extra Letterssss

For the March issue of The Atlantic, I spoke with linguists about this thingggg we’re doing with words — a growing habit in which otherwise reasonable people cavalierly add extra letters to the words in their texts, emails, tweets, and so forth — to find out why. One of the experts I met while working on that piece was Tyler Schnoebelen, a recent PhD from Stanford who wrote his dissertation on emotion in language and blogs about newsworthy word-findings at Corpus Linguistics. He’s been focusing lately on the phenomenon of word lengthening or “expressive lengthening” on Twitter. (He’s also one of the researchers behind a recent study about how men and women tweet.) For his dissertation, he analyzed data consisting of 3,775,174 tweets from 102,304 different English-speaking authors, tweeted in the six months between January to June of 2011 in the U.S. He was looking at the way people used emoticons in their tweets, but in that exploration he found something else: Along with those emoticons, people were adding letters to their words, too. Or toooooo. In the interest of learning more about why word lengthening exists, even on an inherently character-limited social media platform like Twitter, I turned to him with a few questions. 

RELATED: Exploring the Character of a Bad Word

What words get lengthened the most on Twitter, and why? The main ones are the expressive things you don’t think of as words — mmmm, oh, ah, aw. You can put as many letters on those as you want. That gets extended to words like hey, no, yes, and the letters that get extended are usually the ones you can hold onto, vowels or ns or ses. Then it gets even crazier — OMgggg or LMAOoo or LOLlll, though you’re not actually saying “laughing my ass off off off” or “laugh out loud loud loud loud.” From that there’s extending real words you can’t pronounce, shittttt or happppppy or amazinggggg. You start with these expressions that don’t have a proper spelling, things no one tells you how to write, and you add and go beyond that to make words more affective and expressive.

RELATED: David Cameron’s Semantic Chauvinism

You wrote a post about a friend who’d seen the word dumb tweeted as DUMBBB, which inspired you to take a look at which specific letters were added most frequently and why. Ooo was a big winner. Why do you think people pick the particular letters they do?  People love the o! I think it’s something about rounding your lips; it’s iconic of getting your mouth around something. Your lips, pursing forward, going out into the world … there’s something there. 

RELATED: The Ways in Which We Mistake Our Words

What about the more unusual added letters, like b or g? I think the gs are the most fun. People who use them are really taking this idea that you can extend things and going crazy with it. You can’t pronounce a word like Omgggg, but it’s been lifted away from the speech itself. In real speech, which is normally face to face, there are so many different ways to communicate — I’m not just happy but really happy — but we don’t have that in a tweet or text or email. Adding letters is a version of a big intonation, raised eyebrows. 

RELATED: Geoffrey Chaucer Coined ‘Twitter’

In terms of voicing, vowels make sense to lengthen because when we’re speaking that’s what we’re doing. Sometimes there are consonants, s or n, we do that in speech, too. But you don’t pronounce the b in dumb in English, so what does adding that letter mean? The end is a nice attractive spot, maybe, that gets across that you’re doing something. Clearly when people are doing this they’re being playful.  

RELATED: Embracing the Age of Autocorrect

So this is all about adding feeling to our too-brief 140-character missives? It’s not a waste of space, I guess, because of emotional layering gained? If you look at these words, a lot of them are from the expressive class. You’re already expressing some emotional state with them — aw — or you’re using them for augmentative purposes, like so and lots of affirmatives and negations: yeahhh, nooo, yesssss. But I think it’s telling that some of the other more frequent words that get extra letters are unpronounceable. People are trying to give some flavor to the communication. These additions really help get the point across and share intonation. That’s part of it: You can hear them in your ear.

Are specific usages unique to different people or subsets of Twitter? People using LMFAOOO tend to talk about Chris Brown and Nicki Minaj; there’s a hip-hop feel to that. People who write knowww with extra ws or youuu with extra us also use the word mum, they spell thankyou as one word, and they use xoxoxo.

Do you add letters to tweets or emails or texts? I’m a fond of adding extra ooos like most poeple. I don’t think I do it excessively. I tend to make my hms a single. 

There’s also a kind of a social meme-ing to these things. I’m tempted to use v. for very but I can’t help but associate that with Bridget Jones, who does that in her diary, and I have a problem with someone reading me as Bridget Jones. I tentatively aded a v. in a tweet the other day. I rearranged and deleted and put it back several times. Other people may not have a reference like this.

It makes you wonder how long the “curse of Bridget Jones” will hold. Speaking of things evolving and changing, this kind of behavior tends to inspire rants about how proper language and grammar is dying. What do you think about that?  As far as I understand, [the ranters] are full of it. This represents changing conventions; we’re not becoming impaired. We all have cues, while we’re talking on the phone, for instance, and we’d have even more if we were face to face. What we’re usually doing is negotiating what we know about a particular person and what we know about people in general. It has to do with expectations, my experience with you and everybody else. We generally accommodate each other. Over the course of a conversation, our vowels become more alike. Any of these things can be going on below our level of awareness, or they can come up to our level of awareness. We can tweak them, we can notice them.

Your research focused on tweets in which people had used emoticons. Do you think emoticon-users are more likely to add letters to the words they tweet?  They very much do exist together, emoticons and adding letters. It’s easy to call these habits nonstandard, but whether they’re really nonstandard …10 percent of tweets use emoticons. As for the percent of letters added to words, I don’t know. They’re clearly very frequent, especially the expressive sound ones. Emoticons and added letters are not warring with each other; in fact, they go together very well. It’s speculation, but my guess is, if you’re fine with lengthening, you’re probably fine adding emoticons.

What other things do people do on Twitter in order to convey emotion?  Other types of punctuation. You can underline, you can bold, you can do all caps. People do all caps all the time. Putting asterisks around words has existed for a long time, and tends to be used on the internet with verbs indicating what you are doing at the moment (*smiles*). Or you see underscore, word, underscore. Those punctuation techniques will give you a sense that this is important, but not a sense of how it’s said. The all-caps gives you a sense of how it’s said, but many people hear or read it as shouting, and you don’t always mean to do that. The awwwww (expressing condolences) is not something you shout. You can’t shout mmmm.

Mmmmm. Do you see an end to the “trend” of adding letters? Once we get to the point of digesting audio tweets, we won’t need to add letters.

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Do the Hemsworth Brothers Have a Type?

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02/20/2013 at 04:30 PM ET

AKM-GSI (2)

Miley Cyrus has been very open about fiancé Liam Hemsworth’s fondness for her bold new do — and he’s obviously a fan of her increasingly funky ensembles as well.

And now that we’ve spotted Hemsworth’s brother Chris out with his wife, Elsa Pataky, who’s rocking a Cyrus-esque ensemble herself, we have to wonder: do the Hemsworth boys have a type?

Both of the Aussie hotties’ significant others share an affinity for shredded denim, chunky engineer boots and choppy, super-short blonde hair.

And when we spotted the tiny girls standing next to the bulky brothers, both clad in V-necks, slouchy jeans and aviators, we admit we had to do a double take to deduce which couple was which.

Fortunately, Chris travels with the ultimate accessory — his adorable baby daughter — which makes them a bit easier to tell apart. But we still have to guess there’s a lot of confusion around the Hemsworth household at holidays.

Tell us: Do you and your siblings go for the same “type?” Are you amused that the Hemsworth boys seem to?

–Alex Apatoff

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Scientists use 3-D printing to help grow an ear

WASHINGTON (AP) — Printing out body parts? Cornell University researchers showed it's possible by creating a replacement ear using a 3-D printer and injections of living cells.

The work reported Wednesday is a first step toward one day growing customized new ears for children born with malformed ones, or people who lose one to accident or disease.

It's part of the hot field of tissue regeneration, trying to regrow all kinds of body parts. Scientists hope using 3-D printing technology might offer a speedier method with more lifelike results.

If it pans out, "this enables us to rapidly customize implants for whoever needs them," said Cornell biomedical engineer Lawrence Bonassar, who co-authored the research published online in the journal PLoS One.

This first-step work crafted a human-shaped ear that grew with cartilage from a cow, easier to obtain than human cartilage, especially the uniquely flexible kind that makes up ears. Study co-author Dr. Jason Spector of Weill Cornell Medical Center is working on the next step — how to cultivate enough of a child's remaining ear cartilage in the lab to grow an entirely new ear that could be implanted in the right spot.

Wednesday's report is "a nice advancement," said Dr. Anthony Atala, director of the Institute for Regenerative Medicine at Wake Forest Baptist Medical Center, who wasn't involved in the new research.

Three-dimensional printers, which gradually layer materials to form shapes, are widely used in manufacturing. For medicine, Atala said the ear work is part of broader research that shows "the technology now is at the point where we can in fact print these 3-dimensional structures and they do become functional over time."

Today, people who need a new ear often turn to prosthetics that require a rod to fasten to the head. For children, doctors sometimes fashion a new ear from the stiffer cartilage surrounding ribs, but it's a big operation. Spector said the end result seldom looks completely natural. Hence the quest to use a patient's own cells to grow a replacement ear.

The Cornell team started with a 3-D camera that rapidly rotates around a child's head for a picture of the existing ear to match. It beams the ear's geometry into a computer, without the mess of a traditional mold or the radiation if CT scans were used to measure ear anatomy.

"Kids aren't afraid of it," said Bonassar, who used his then-5-year-old twin daughters' healthy ears as models.

From that image, the 3-D printer produced a soft mold of the ear. Bonassar injected it with a special collagen gel that's full of cow cells that produce cartilage — forming a scaffolding. Over the next few weeks, cartilage grew to replace the collagen. At three months, it appeared to be a flexible and workable outer ear, the study concluded.

Now Bonassar's team can do the process even faster by using the living cells in that collagen gel as the printer's "ink." The 3-D technology directly layers the gel into just the right ear shape for cartilage to cover, without having to make a mold first.

The next step is to use a patient's own cells in the 3-D printing process. Spector, a reconstructive surgeon, is focusing on children born without a fully developed external ear, a condition called microtia. They have some ear cartilage-producing cells in that tissue, just not enough. So he's experimenting with ways to boost those cells in the lab, "so we can grow enough of them from that patient to make an ear," he explained.

That hurdle aside, cartilage may be the tissue most amenable to growing with the help of 3-D printing technology, he said. That's because cartilage doesn't need blood vessels growing inside it to survive.

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