Saturday, February 4, 2012

'Insidious 2' is Happening (omg!)

'Insidious 2' is Happening

It was just announced that James Wan and Leigh Whannell have agreed to return for an Insidious sequel, slated for a 2013 release.

Although nothing is known about the plot, when I caught up with James and Leigh late last year at The Scream Awards, this is what they told me about a then-theoretical sequel.

"If we did Insidious 2, Patrick [Wilson] and [Rose] Byrne would have to come back," they concurred.

It's an understatement to say the bar was set high by the original as Leigh rightfully added, "We set out to make the scariest movie of the decade and I think we accomplished that."


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Source: http://us.rd.yahoo.com/dailynews/rss/entertainment/*http%3A//us.rd.yahoo.com/dailynews/external/omg_rss/rss_omg_en/news_insidious2_happening_011200905/44399372/*http%3A//omg.yahoo.com/news/insidious-2-happening-011200905.html

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A meeting of hearts if not minds

Christina Blouvan-Cervantes had been battling aggressive leukemia when her blood count plummeted and she landed in the emergency room in Fresno. Her doctors told her a blood transfusion was her only hope. But her faith wouldn't allow her to receive one.

So she turned to one of the only doctors who could possibly keep her alive: a committed atheist who views her belief system as wholly irrational.

Dr. Michael Lill, head of the blood and marrow transplant program at Cedars-Sinai's Samuel Oschin Comprehensive Cancer Institute, is a last recourse for Jehovah's Witnesses with advanced leukemia.

PHOTOS: Doctor treats Jehovah's Witnesses

They arrive at Lill's door out of desperation and a desire to live. Many specialists decline to treat them because of their biblically centered refusal to accept blood transfusions, a mainstay of conventional care for the cancer.

Lill thinks their refusal is risky and illogical but nevertheless has devised a way to treat them that accommodates their religious convictions.

Despite his belief that God doesn't exist, he has become a hero to many devout believers.

"We don't care if he believes in God or not," said David Goldfarb, chairman of the Los Angeles-area Hospital Liaison Committee for the Jehovah's Witnesses. "What we really believe in is, 'Are you a skilled and great doctor ? and can you respect our belief system?'"

Lill, a 52-year-old Australian native, said ideological differences between doctor and patient are beside the point.

"Just because someone makes a decision which I would view as the wrong decision ? doesn't mean at that point in time I say, 'No, I am not going to look after you anymore,' " he said. "I try and treat people's religious beliefs with respect."

::

Leukemia, a disease of the blood and bone marrow, produces cancerous blood cells. Treatment involves chemotherapy to destroy the cancerous cells, sometimes followed by transplants of stem cells that develop into healthy blood cells.

Blood transfusions are usually required, because both the cancer and the treatment suppresses the body's production of blood cells. Without transfusions, the risk of death from anemia or bleeding is significantly higher.

Jehovah's Witnesses draw their beliefs about blood from a literal interpretation of the Bible, which repeatedly warns against its consumption. Among the passages often cited by adherents: "You must not eat the blood; pour it out on the ground like water."

It is a violation of God's command for a Jehovah's Witness to accept whole blood, red or white blood cells, platelets or plasma, Goldfarb said. It is left to patients to decide individually whether they are comfortable accepting stem cells.

Lill, who received his medical training in Australia, came to the United States in 1989 to work in the bone marrow transplant program at UCLA Medical Center. He accepted a position at Cedars-Sinai in 1997. He and his wife, a stem cell researcher, have two children.

He stumbled into the niche of treating Jehovah's Witnesses with leukemia after getting his first referral about 15 years ago. He saw both a professional challenge and an unmet need. Since then, about 50 Witnesses from around the world have come to his team for help, including 35 who have received stem cell transplants.

"People have the right to make their own decisions," he said. Before treating the patients, Lill has a candid discussion about religion and medicine, freely using words like "death" and "dying."

About four years ago, Lill himself was treated for cancer of the appendix. The experience, he said, helped him better understand his patients' fears.

Source: http://feeds.latimes.com/~r/latimes/news/science/~3/NMxuADyaHK8/la-me-jehovahs-20120202,0,7799855.story

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Friday, February 3, 2012

Arabs, West seek to avert Russian veto of U.N. Syria (Reuters)

UNITED NATIONS (Reuters) ? Arab and Western drafters of a U.N. Security Council resolution aimed at stopping Syria's bloody upheaval revised their text on Thursday in a last-ditch effort to avoid a Russian veto, though the new draft includes language Moscow has rejected.

Morocco circulated the slightly amended draft to the 15-nation council after Russian Ambassador Vitaly Churkin told a closed-door session of the 15-nation body Moscow would veto the draft if it were put to a vote on Friday with a phrase saying the council "fully supports" an Arab League plan calling for Syria's president to step aside, Western diplomats said.

That phrase remains in the text. But several diplomats said Churkin's threat of a veto had more to do with the timing than the substance of the resolution and thought it might be possible to persuade the Russians to abstain or vote for the resolution.

"He made the threat, but I don't think he'll necessarily have to follow through with it," a diplomat said on condition of anonymity. "We included some new language that Russia wanted. It's still possible to avoid a (Russian) veto."

Morocco's U.N. envoy, Mohammed Loulichki, told reporters after Thursday's inconclusive council meeting he would seek a vote on the amended draft resolution "as soon as possible."

U.S. Ambassador Susan Rice was cautious in her remarks after the council session. "We had what I would characterize as sometimes difficult but ultimately useful discussions," she told reporters. "We're still working. This is not done."

Churkin told reporters that Thursday's inconclusive negotiations were "something of a roller-coaster."

"We have a text which we are going to report to our capitals," he said. He declined to provide details but suggested that how Russia might vote remained an open question. He said the fact that the council was getting a revised draft "does not pre-judge anything in any way."

Colombian envoy Nestor Osorio said the council would continue discussions on Friday on the draft, sponsored by Morocco, France, Britain, the United States, Germany, Portugal, Colombia, Togo, Libya, Bahrain, Jordan, Kuwait, Qatar, Saudi Arabia, the United Arab Emirates, Oman and Turkey.

Submitting what some diplomats say is a final draft resolution does not necessarily mean a vote is imminent and further revisions could follow. France said it foresaw a vote on Friday, Saturday or Monday at the latest.

Russia has balked at any language that would open to door to "regime change" in Syria, its most important Middle Eastern ally over the almost half-century Assad's family has ruled it.

Assad has been locked in a struggle with a revolt against his rule for the past 11 months, with at least 5,000 deaths by a United Nations count.

Assad opponents continued their protests in the Syrian city of Hama on Thursday, where the president's father crushed an Islamist uprising 30 years ago. They poured red paint on the ground to symbolize the blood shed then, prompting government troops to close public squares.

Marking the event would have been unthinkable a year ago, but what began as civilian street protests which Assad tried to crush with troops and tanks has evolved in some regions into an armed insurgency that has spread to the gates of Damascus.

The surging violence has stirred Arab and Western calls for international action to stop the bloodshed, but that has been held up by Russian opposition to any steps that would remove Assad or pave the way to foreign intervention.

Russia and China joined forces in October to veto a Western-drafted U.N. resolution that would have condemned Assad's government and threatened possible sanctions.

The latest resolution text includes changes made by Arab and European negotiators to meet some of Russia's concerns. It calls for a "Syrian-led political transition," does not criticize arms sales to Syria and no longer spells out details of what the Arab plan entails, such as Assad giving up power, although it still "fully supports" the plan.

Western envoys said they and the Arabs were trying to assure the Russians the resolution is not aimed at "regime change" in Syria. If Churkin is not satisfied after Friday's U.N. talks, they said, Russian Foreign Minister Sergei Lavrov and U.S. Secretary of State Hillary Clinton might take up the issue in a meeting over the weekend at a security conference in Germany.

LIBYAN PRECEDENT

Russia says the West exploited what it says was fuzzy wording in a March 2011 Security Council resolution on Libya to turn a mandate to protect civilians in the North African country's uprising into a push to oust the government, backed by NATO air strikes, that led to the overthrow of Muammar Gaddafi.

Moscow has demanded language explicitly ruling out the use of external force in Syria, though the current draft makes clear the council wants the crisis resolved peacefully and the resolution could not be used as the basis for military intervention as in Libya's uprising last year.

The draft does not threaten Syria with sanctions, also rejected by Russia, but includes a vague reference to possible "further measures" in the event of Syrian non-compliance.

Moscow has been a strategic ally of Syria through its decades under Assad dynastic rule and a major arms supplier to Damascus, and so bristles at outsiders trying to dictate internal political change in Damascus.

The Syria resolution came to the global body after the Arab League suspended its monitoring mission in Syria on January 28 as violence surged. Jordan said on Thursday it was pulling its monitors from that mission, joining the departure of Gulf Arab observers, in response to the league's move.

Opposition activists say Assad's forces have stepped up operations around the country after appearing to crush rebels who brought the fight to the outskirts of the capital.

Activists in Hama said fire trucks washed away dye and paint poured on the ground overnight to commemorate the bloodshed of Hafez al-Assad's 1982 assault on the city - center of an Islamist revolt against him - at the cost of over 10,000 lives.

"They want to kill the memory and they do not want us to remember," said an activist in the city, where residents said tanks blocked main squares to prevent demonstrations. "But we will not accept it." Residents said snipers took up positions in the city subsequently.

Sporadic gunfire echoed through the Damascus suburb of Maadamiyyah on Thursday and the body of an army defector was returned to his family mutilated, one activist said. Another reported that Syrian forces killed another activist in that district after raiding his home on Wednesday.

The Syrian state news agency SANA reported funerals of 19 security force personnel killed confronting "terrorist groups," bringing the total of such deaths it has declared in the past few days to about 100.

It was not possible to verify the reports as Syria restricts access for independent media.

(Additional reporting by Joseph Logan and Mariam Karouny in Beirut, Sui-Lee Wee in Beijing, Alissa de Carbonnel in Moscow, Suleiman al-Khalidi and Khaled Oweis in Amman, John Irish in Paris, Arshad Mohammed in Washington; editing by Mark Heinrich and Todd Eastham)

Source: http://us.rd.yahoo.com/dailynews/rss/un/*http%3A//news.yahoo.com/s/nm/20120203/wl_nm/us_syria

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Thursday, February 2, 2012

How Ferris Bueller may kill off Super Bowl ads

Earlier this week, a Super Bowl ad for the Honda CRV featuring Matthew Broderick in a send up of Ferris Bueller?s Day Off appeared online. It?s quickly made the rounds on the Internet, garnering praise from places like the Los Angeles Times and Adweek. For those that haven?t seen it, it?s a brilliant send up of a modern-day Matthew Broderick acting like his character from the 1986 film, and it?s worth a watch.

They?re not alone in trying to get a jump on the competition in their Super Bowl spots. Early today, Honda was pushing another early superbowl ad, featuring Jerry Seinfeld and Jay Leno fighting over the chance to be the first to own an Acura NSX . David Beckham shirtless for H&M is also floating around the internet, as are numerous teaser trailers for superbowl ads coming from companies like Volkswagen, Doritos, Priceline and Coca-Cola, whose polar bears have already taken to the internet to invite viewers to their party on Superbowl Sunday. The competition is fierce enough that they?re advertising their ads.

There?s no doubt about it: Super Bowl Sunday is the largest captive audience in the calendar, with over 111 million viewers tuning in in 2011, and it?s the one time in the year advertisers really get to shine as millions tune in to watch the ads as much as they do to watch the football. Right now, that?s translating into the priciest Super Bowl ads in history: the price for 30 seconds of airtime is estimated at $3.5 million for 30 seconds.

It?s in that spirit that Honda has decided to leak their commercial, trying their best to get as big a section of the most hotly contested attention of the year. At the moment, it seems to be working, spreading like wildfire through the internet. In Volkswagen?s teaser this year, a bunch of dogs barking music from Star Wars, has 10 million. We?re not up at Super Bowl numbers yet, but there?s still time. Rebbeca Black?s ?Friday,? the top youtube video of 2011, got 167 million hits, which means 167 million times the video was navigated to and viewed on purpose. Volkswagen?s superbowl commercial from last year has 50 million, easily more than the number of Super Bowl viewers that saw it and paid attention. And Volkswagen put it there for free.

The top posts of all time make the Super Bowl look silly with over 400 million hits.

Right now, the social media campaigns play second fiddle to the the big event, but to me, the social media excitement surrounding their release presages their doom: if Matthew Broderick, Ferris Bueller and Honda can make a social media campaign that stands on its own a full week before the Super Bowl, wouldn?t that appear to devalue the event itself? Even for all the attention lavished on it now, social media is still in its infancy when compared to pop culture institutions like the Super Bowl, and the degree to which advertisers can get audiences by manipulating the medium. For all intents and purposes, Broderick?s CRV ad is already out, but it?s not a Super Bowl ad ? it?s a youtube ad.

A stat like $3.5 million for 30 seconds of airtime may see a serious hit in the future as advertisers realize that the internet can yield just as big an audience as football without having to go through NBC.

? 2012 Forbes.com

Source: http://www.msnbc.msn.com/id/46222625/ns/business-us_business/

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Dear 'Idol' judges: It's time to get mean!

Hey, Steven, J.Lo and Randy: It's OK to be brutally honest with the contestants, OK?!

By Craig Berman

OPINION

When ?American Idol? was young and feisty, it made its reputation by taking the dreams of unworthy hopefuls and ripping them to shreds. With Simon Cowell as the judges' ringleader, delusional applicants would have their voices trashed, their faces likened to those of wild animals, and sometimes even brought back for the finale for another round of mocking.

It was controversial and cruel?... and also must-see TV.

But if auditioning in?those days brought the terror of having to wow the Mean Crowd in high school, now it?s like performing before friends and family. You might get some strange facial expressions and people might talk about you behind your back, but nobody is actually going to be mean to your face. If this is like last season, record exec Jimmy Iovine and his crew are going to be a lot harsher to the singers good enough to make it to Hollywood than the judges have been to those who are wasting everybody?s time when they try out.

The old style with Simon may have been unduly harsh, but it definitely broke up the tedium. The auditions are otherwise just hours upon hours of performers who blend together, with many getting airtime now only to later exit the show anonymously in Hollywood. There?s no incentive to fall in love with anyone this early, and there?s no need to write down what nastiness the judges said to discuss at work the next day since those comments are a thing of the past, so there?s no real reason to watch.

Take Phong Vu's performance on last?Thursday?s Texas auditions, for example. He had no chance of advancing to the next round. The only reason he was put forward was for comic relief. But rather than the brutal truth, the judges responded with kindness.

?You know, you?ve got the passion?... but your voice is not interpreting what she sang. There wasn?t enough you in it,? Steven Tyler said. I?m no Rock 'n' Roll Hall of Famer, but even I understood that the problem was there was too much Phong Vu in those vocals, not too little.

?Thank you, Phong Vu. It?s not going to work this time,? Jennifer Lopez added. "This time"? When?s it going to work, 2095?

Tealana Hedgespeth got her turn the previous episode in Aspen, Colo. She was bad enough that J.Lo turned to Tyler and whispered, ?If you ask her for another song, I?m gonna kill you.? And to the judges'?credit, if you?re looking for whispered criticisms or funny faces, these three are perfect.

But when the music stopped ...

?Have you ever recorded your voice and listened back? You gotta do that ?cause then you?ll hear what we?re hearing,? Tyler said. Left unsaid was ?... because what we?re hearing is making our eardrums bleed.?

?I think you?re adorable, but it?s a no,? J.Lo said.

?Love you, you?re so cute, but the singing?s not there yet,? Randy Jackson said. And by ?not there yet,? he meant ?hasn?t even left the driveway.?

So we got an 0-3 vote that was clearly warranted?... but with nothing but kindness. Here?s your blue ribbon for participation. Come back and see us again next year!

Those who complained about the nastiness of the old regime have gotten their wish?-- these judges are unwilling to be dream-crushers. And while Rosie O?Donnell may be pleased with the results, it makes the auditions rather dull for the rest of us.

?Idol? can?t just show the good singers, or it?ll seem like everyone who walks in off the street is awesome. But without the negative commentary, bad singers are just that?... bad singers. When you hear one on the radio, you change the station. ?Idol? had best hope that TV viewers don?t do the same.

How would you like to see the judges improve this season? Tell us on our Facebook page!

Do the judges need to get mean?

?

Related content:

Source: http://theclicker.today.msnbc.msn.com/_news/2012/01/31/10282709-dear-idol-judges-knock-off-the-nice-act-and-get-mean

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Wednesday, February 1, 2012

New ACS Podcast: Easing concerns about a catastrophic release of greenhouse gases

New ACS Podcast: Easing concerns about a catastrophic release of greenhouse gases [ Back to EurekAlert! ] Public release date: 1-Feb-2012
[ | E-mail | Share Share ]

Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society

WASHINGTON -- The latest episode in the American Chemical Society's (ACS) award-winning "Global Challenges/Chemistry Solutions" podcast series puts forth the reassuring finding that concerns about global warming having a domino effect unleashing 600 billion tons of carbon in vast expanses of peat in the Northern hemisphere and accelerating warming to disastrous proportions may be less justified than previously thought.

In the podcast, Christian Blodau, Ph.D., explains that peat bogs wet deposits of partially decayed plants that are the source of fuel and gardeners' peat moss hold about one-third of the world's carbon. Scientists have been concerned that global warming might dry out the surface of peatlands, allowing the release into the atmosphere of carbon dioxide and methane (a greenhouse gas even more potent than carbon dioxide) produced from decaying organic matter.

To see whether this catastrophic domino effect is a realistic possibility, Blodau and colleagues conducted laboratory simulations studying the decomposition of wet bog peat for nearly two years.

Far from observing sudden releases of greenhouse gases, they found that carbon release and methane production slowed down considerably in deeply buried wet peat, most likely because deeper peat is shielded from exchange of water and gases with the atmosphere.

In connection with previous work, they concluded that even under moderately changing climatic conditions, peatlands will continue to sequester, or isolate from the atmosphere, their huge deposits of carbon and methane.

###

The new podcast is available without charge at iTunes and from http://www.acs.org/globalchallenges.

Global Challenges/Chemistry Solutions is a series of podcasts describing some of the 21st century's most daunting problems, and how cutting-edge research in chemistry matters in the quest for solutions. Global Challenges is the centerpiece in an alliance on sustainability between ACS and the Royal Society of Chemistry. Global Challenges is a sweeping panorama of global challenges that includes dilemmas such as providing a hungry, thirsty world with ample supplies of safe food and clean water; developing alternatives to petroleum to fuel society; preserving the environment and assuring a sustainable future for our children and improving human health.

For more entertaining, informative science videos and podcasts from the ACS Office of Public Affairs, view Prized Science, Spellbound, Science Elements and Global Challenges/Chemistry Solutions.

The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 164,000 members, ACS is the world's largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.

To automatically receive news releases from the American Chemical Society contact newsroom@acs.org.



[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


New ACS Podcast: Easing concerns about a catastrophic release of greenhouse gases [ Back to EurekAlert! ] Public release date: 1-Feb-2012
[ | E-mail | Share Share ]

Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society

WASHINGTON -- The latest episode in the American Chemical Society's (ACS) award-winning "Global Challenges/Chemistry Solutions" podcast series puts forth the reassuring finding that concerns about global warming having a domino effect unleashing 600 billion tons of carbon in vast expanses of peat in the Northern hemisphere and accelerating warming to disastrous proportions may be less justified than previously thought.

In the podcast, Christian Blodau, Ph.D., explains that peat bogs wet deposits of partially decayed plants that are the source of fuel and gardeners' peat moss hold about one-third of the world's carbon. Scientists have been concerned that global warming might dry out the surface of peatlands, allowing the release into the atmosphere of carbon dioxide and methane (a greenhouse gas even more potent than carbon dioxide) produced from decaying organic matter.

To see whether this catastrophic domino effect is a realistic possibility, Blodau and colleagues conducted laboratory simulations studying the decomposition of wet bog peat for nearly two years.

Far from observing sudden releases of greenhouse gases, they found that carbon release and methane production slowed down considerably in deeply buried wet peat, most likely because deeper peat is shielded from exchange of water and gases with the atmosphere.

In connection with previous work, they concluded that even under moderately changing climatic conditions, peatlands will continue to sequester, or isolate from the atmosphere, their huge deposits of carbon and methane.

###

The new podcast is available without charge at iTunes and from http://www.acs.org/globalchallenges.

Global Challenges/Chemistry Solutions is a series of podcasts describing some of the 21st century's most daunting problems, and how cutting-edge research in chemistry matters in the quest for solutions. Global Challenges is the centerpiece in an alliance on sustainability between ACS and the Royal Society of Chemistry. Global Challenges is a sweeping panorama of global challenges that includes dilemmas such as providing a hungry, thirsty world with ample supplies of safe food and clean water; developing alternatives to petroleum to fuel society; preserving the environment and assuring a sustainable future for our children and improving human health.

For more entertaining, informative science videos and podcasts from the ACS Office of Public Affairs, view Prized Science, Spellbound, Science Elements and Global Challenges/Chemistry Solutions.

The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 164,000 members, ACS is the world's largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.

To automatically receive news releases from the American Chemical Society contact newsroom@acs.org.



[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2012-02/acs-nap020112.php

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NASA's THEMIS satellite sees a great electron escape

ScienceDaily (Jan. 31, 2012) ? When scientists discovered two great swaths of radiation encircling Earth in the 1950s, it spawned over-the-top fears about "killer electrons" and space radiation effects on Earthlings. The fears were soon quieted: the radiation doesn't reach Earth, though it can affect satellites and humans moving through the belts. Nevertheless, many mysteries about the belts -- now known as the Van Allen Radiation belts -- remain to this day.

Filled with electrons and energetic charged particles, the radiation belts swell and shrink in response to incoming solar energy, but no one is quite sure how. Indeed, what appears to be the same type of incoming energy has been known to cause entirely different responses on different occasions, causing increased particles in one case and particle loss in another. Theories on just what causes the belts to swell or shrink abound, with little hard evidence to distinguish between them. One big question has simply been to determine if, when the belts shrink, particles escape up and out into interplanetary space or down toward Earth. Now, a new study using multiple spacecraft simultaneously has tracked the particles and determined the escape direction for at least one event: up.

"For a long time, it was thought particles would precipitate downward out of the belts," says Drew Turner, a scientist at the University of California, Los Angeles, and first author on a paper on these results appearing online in Nature Physics (Jan. 29). "But more recently, researchers theorized that maybe particles could sweep outward. Our results for this event are clear: we saw no increase in downward precipitation."

While it may sound like a simple detail, such knowledge is not just esoteric. Indeed, the study of particle losses in the belts has so far provided more mystery and potential theories than concrete information. But understanding the radiation belts -- and how they change as particles and energy come in or go out -- is a crucial part of protecting satellites that fly through the region.

The Van Allen belts fit into a larger system that stretches from the sun to Earth. The sun sends out a constant stream of solar wind, not to mention occasional much larger bursts -- such as explosions from the sun's atmosphere called coronal mass ejections (CMEs) or shock fronts caused by fast solar winds overtaking slower winds called corotating interaction regions (CIRs).

When these bursts of energy move toward Earth, they can disturb Earth's own magnetic environment, known as the magnetosphere, and create a geomagnetic storm. Sometimes these storms can cause a sudden drop in the radiation belt particles, seemingly emptying the belt in only a few hours. This "drop out" can last for days. What causes the drop out, why it lasts so long, and just how the particles even leave remain unanswered questions.

Solving such a mystery requires numerous spacecraft measuring changes at several points in space to determine whether an event in one place affects an event elsewhere. The Radiation Belt Storm Probes (RBSP), scheduled to launch in August 2012, are specifically geared for such observations, but in the meantime, a team of scientists have brought together two disparate sets of a spacecraft to get an early multipoint view of the radiation belts during an event when the belts experienced a sudden loss of particles.

"We are entering an era where multi-spacecraft are key," says Vassilis Angelopoulos, a space scientist at UCLA, and the principal investigator for THEMIS and a coauthor on the paper. "Being able to unite a fleet of available resources into one study is becoming more of a necessity to turn a corner in our understanding of Earth's environment."

In this case, the team observed a small geomagnetic storm on January 6, 2011 using the three NASA THEMIS (Time History of Events and Macroscale Interactions during Substorms) spacecraft, two GOES (Geostationary Operational Environment Satellite), operated by the National Oceanic and Atmospheric Administration (NOAA), and six POES (Polar Operational Environmental Satellite), run jointly by NOAA, and the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT) spacecraft.

The THEMIS and GOES spacecraft orbit around Earth's equatorial region, while the POES spacecraft orbit at lower altitude near the poles and travel through the radiation belts several times per day. All are equipped to study the energetic particles in the region. The observations provided an unprecedented view of a geomagnetic storm from numerous viewpoints simultaneously -- and the team found unequivocally that particles escaped the radiation belts by streaming out into space, not by raining down toward Earth.

During this storm, electrons moving near the speed of light dropped out for over six hours. In that time period POES saw no increase in electrons escaping downward from the belts. On the other hand, the spacecraft did monitor a low-density patch of the belt that first appeared at the outer edges of the belts and then moved inward. This sequence is consistent with the notion that particles were streaming outward, just as the low density region of cars leaving from the front of a traffic jam moves backward over time as more and more cars are able to move forward and escape.

"This was a very simple storm," says Turner. "It's not an extreme case, so we think it's probably pretty typical of what happens in general and ongoing results from concurrent statistical studies support this."

If, indeed, electrons usually escape the radiation belts by streaming outward, it seems likely that some kind of waves aid and abet their outward motion, enabling them to reach the outer escape boundary. Hammering out this escape mechanism will be one of the jobs for RBSP, says David Sibeck at NASA's Goddard Space Flight Center in Greenbelt, Md., who is NASA's mission scientist for RBSP and project scientist for THEMIS.

"This kind of research is a key to understanding, and eventually predicting, hazardous events in the Earth's radiation belts," says Sibeck. "It's a great comprehensive example of what we can expect to see throughout the forthcoming RBSP mission."

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The above story is reprinted from materials provided by NASA.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Drew L. Turner, Yuri Shprits, Michael Hartinger, Vassilis Angelopoulos. Explaining sudden losses of outer radiation belt electrons during geomagnetic storms. Nature Physics, 2012; DOI: 10.1038/nphys2185

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/LsGYAge8huA/120131143745.htm

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