LHC to stir up hot particle soup before 2013 shut down

At the foot of the misty mountains a mighty ring was forged ? again! For one month, the Large Hadron Collider will smash two types of particles in a single magnetic ring.

So far, the LHC at CERN, near Geneva, Switzerland, has been colliding beams of identical types of particles, which are spun around the ring by a strong magnetic field. But starting in the third week of January it will smash protons into lead ions, in the hope of learning more about quark-gluon plasma. This is a hot soup of particles thought to make up the early universe.

Protons and lead ions have different masses and charges, so other colliders have used two magnetic rings to guide the beams. In the LHC, the beams will run in the same ring at slightly different speeds. "Nobody has ever run a collider quite like this before," says CERN's John Jowett.

Colour glass

Both beams circulate the LHC about 660,000 times a minute, but the proton beam goes slightly faster than the ion beam. "It's as if you had a racetrack with a cyclist and a runner who have to bump into each other thousands of times at exactly four points," says Paolo Giubellino of the ALICE experiment at CERN.

A successful test run last year has already thrown up surprises, including hints of a new form of matter known as colour-glass condensate. "It is an unexplained and very surprising feature and we very much wish to get more data to interpret it," says Giubellino.

More data could help confirm the find, he says. The full-scale proton-lead ion runs will end in mid-February, when the collider shuts down for upgrades expected to last until late 2014

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Neon Roberts' Mother Appeals Cancer Treatment Order... | Stuff.co.nz

FIGHT AGAINST TREATMENT: Sally Roberts says there is no evidence that radiotherapy will save her son's life.

LITTLE BATTLER: Neon Roberts.

The Kiwi mother fighting against cancer treatment for her seven-year-old boy has announced an 11th-hour appeal against court-ordered radiotherapy.

Sally Roberts, 37, formerly of Auckland, has made headlines across the world after her prolonged and increasingly ugly battle to stop her son receiving conventional treatment for a malignant brain tumour.

Doctors say that without radiotherapy Neon Roberts could be dead within weeks, but his mother disagrees.

Roberts has told a British morning television show she would be appealing a recent court order forcing her to allow doctors to treat her son.

"I feel there are other options out there that we haven't explored and I would really like the opportunity to explore these other options.

"I wasn't given enough time last time to present them with what I wanted to, and that was a professional expert - a medic to back what I'm saying," she reportedly told Daybreak.

Roberts told presenters she feared the side effects would outweigh the benefits, and a fear of missing out on grandchildren was a big motive.

She said Neon's cancer was not as aggressive as doctors were suggesting.

"That's what they keep saying but I disagree," she said.

She spoke of doctors in Germany and China who were using "hyperthermia" heat treatment to mitigate the side effects of radiotherapy and chemotherapy, and said doctors in Britain were at odds with other countries.

Despite this, Roberts has been unable to find an expert to back her case in court.

After being caught by British police when she took Neon on the run last year to avoid treatment, a family court judge early last month ordered treatment to go ahead.

In October, Neon had a malignant tumour removed from his brain but the follow-up radiotherapy was not carried out in full.

When it was confirmed the tumour had reappeared, the court ordered doctors to operate and carry out the follow-up radiotherapy.

Neon spent Christmas with his father Ben Roberts, who is estranged from wife Sally.

She was reportedly shunned from their family Christmas, and doctors have spent the past week preparing Neon for radiotherapy.

- ? Fairfax NZ News

Source: http://www.stuff.co.nz/auckland/local-news/8142606/Cancer-boys-fight-back-in-court

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FDA Warns About Misleading Advertising for Some Laser Eye ...

TUESDAY, Dec. 18 (HealthDay News) ? Five U.S. eye care providers have been warned to stop misleading advertising about the special lasers used in vision correction procedures such as LASIK, the U.S. Food and Drug Administration said Tuesday.

Those ads and promotional materials do not offer consumers enough information about the potential risks, according to the FDA.

?Advertising by many eye care professionals who perform laser vision correction surgery provides patients with the risk information that they need to make informed decisions,? Steve Silverman, compliance director at FDA?s Center for Devices and Radiological Health, said in an agency news release. ?But providers whose advertising does not provide adequate risk information are finding out today that the FDA is serious about consumer protection.?

The FDA said the warnings were sent to: 20/20 Institute Indianapolis LASIK, in Indianapolis; Scott Hyver Visioncare Inc., in Daly City, Calif.; Rand Eye Institute, in Deerfield Beach, Fla.; Eye Center of Texas, in Bellaire; and Woolfson Eye Institute, in Atlanta.

If the providers do not correct their advertising and promotional materials to address the FDA?s concerns, the agency may take further action, including seizures, injunctions and fines, the agency said in its news release.

The most common risks of LASIK surgery include: dry eye syndrome, which can be severe; the possible need for glasses or contact lenses after surgery; vision problems such as halos, glare, starbursts; double vision; and loss of vision.

In May 2009 and September 2001, the FDA issued letters to eye care professionals nationwide outlining the agency?s concerns about improper advertising and promotion of laser eye surgery.

More information

The MedlinePlus Medical Encyclopedia has more about LASIK eye surgery.

Source: http://news.health.com/2012/12/19/fda-warns-about-misleading-advertising-for-some-laser-eye-surgeries/

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Baseball Hall of Fame debates 2013: Roger Clemens

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Instant Tranquility ? NLP Hypnosis to Relax ... - Self Help Heaven ...

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Film Society of Lincoln Center Fundraiser With Tom Cruise ...

?The Film Society of Lincoln Center is postponing a fundraiser and conversation with Tom Cruise that was scheduled to take place on Monday night, citing the shootings in Newtown, Conn.

The event was scheduled to feature an interview with the actor and a sneak preview of his upcoming action film, "Jack Reacher." Proceeds were going to be used to support K-12 education and new artist programs though the group's 50th Anniversary Fund.

"Out of respect for the families who lost loved ones in Newtown, Connecticut, we are postponing tonight's event," Rose Kuo, executive director of the Film Society, said in a statement. "We extend our love and condolences to our neighbors. Our community grieves with yours."

The Film Society did not say when the event will be rescheduled.

"We support Lincoln Center and their decision to postpone their fundraiser this evening," a spokeswoman for Paramount said in a statement.

"The filmmakers and Tom Cruise convey their heartfelt sadness and their deep condolences to the familes during this time," she added.

This is the second major "Jack Reacher" related event to be canceled or postponed in light of the Newtown killings. On Saturday, Paramount canceled the Pittsburgh premiere of the film out of respect for the victims of the school shooting.

"Jack Reacher" opens with a scene of mass-murder, during which a sniper kills five people. Director Christopher McQuarrie told TheWrap he fully endorsed the decision to cancel the premiere.

"Tom and I insisted upon it," he said. "Nobody should be celebrating anything 24 hours after a tragic event like that."

On Wednesday, Cruise will travel to Pittsburgh to screen the film, Paramount said, but there will be no red carpet.

The Film Society event was to be held at the Rose Theater at the Time Warner Center, in coordination with a retrospective of the actor's films. Entitled "All the Right Moves: The Films of Tom Cruise," that exhibition of his past work will run from Dec. 18-20.

Related Wrap Stories

Source: http://www.thewrap.com/movies/article/film-society-lincoln-center-fundraiser-tom-cruise-postponed-after-newtown-shooting-69671

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