Thursday, February 28, 2013

How weaver ants get a grip

Strong sticking power and quick reaction time help the insects stay put in trees

By Susan Milius

Web edition: February 27, 2013

Enlarge

LAUGHING AT GRAVITY

An Asian weaver ant (Oecophylla smaragdina) can dangle a weight more than 100 times heavier than itself without losing its grip on the surface above it.

Credit: ? Thomas Endlein

An Asian weaver ant boasts not one but two superpowers: Its extreme sticking power comes with extraordinarily quick emergency grip protection, researchers have discovered.

The ants nest in trees, which they hold onto with their moist, expandable foot pads. The moisture isn?t a glue, but it lets the foot pads hold tight using capillary forces, the same phenomenon that allows water-soaked paper towels to cling to a window. When a branch quivers in the wind, an ant?s foot pads expand, strengthening their grip. By observing the pads of ant feet as the surface they stood on shook, Thomas Endlein of Scotland?s University of Glasgow discovered that the foot pad expansion occurs within a millisecond of the jolt.

The fastest known nerve response takes five or 10 milliseconds, so the quick grip must be mechanical. Too fast to be a reflex, it?s a preflex, Endlein and a colleague report online February 27 in the Proceedings of the Royal Society B.

Source: http://www.sciencenews.org/view/generic/id/348628/title/How_weaver_ants_get_a_grip

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Matt Riddle cut from the UFC after second positive test for marijuana

Last week, Matt Riddle talked about how he mended fences with UFC brass over his positive test for marijuana. This week? He tested positive again and lost his job. According to MMA Junkie, Riddle tested positive for marijuana after his UFC on Fuel 7 bout with Che Mills, and was then cut from the UFC. Riddle also tested positive at UFC 149.

While it's true that Riddle has a medical marijuana card in Nevada, he knew full well that the UFC tested for the drug. Whether that drug should be banned is not the point. It is, Riddle knows it's banned, and Riddle broke the rules.

If your boss banned red shirts for no reason at all and you were suspended for wearing your favorite red shirt to work, are you going to wear it again? Yes, you can talk about how your boss is crazy for banning red shirts and work to change his mind on red shirts, but you can't wear the shirt and expect to slide by.

It's also important for UFC fighters to walk the line these days as the promotion looks to trim their roster. UFC president Dana White recently noted that they have approximately 100 fighters to trim from their roster. Riddle made it too easy for them to pick his name.

UPDATE: The UFC released a statement on Riddle's release, which reads in full:

Matthew Riddle tested positive for marijuana metabolites following his bout at UFC on FUEL TV 7 in London, England on February 16, 2013. This is Riddle?s second failed drug test for marijuana within the past seven months. Riddle previously failed a post-fight drug test due to marijuana following his UFC 149 victory over Chris Clements.

As such, the UFC organization is exercising its right to terminate Riddle for breach of his obligations under his Promotional Agreement as well as the UFC Fighter Conduct Policy. The UFC organization has a strict, consistent policy against the use of any illegal and/or performance-enhancing drugs, stimulants or masking agents. The outcome of the bout against Che Mills was changed to a no contest and the results of the positive test will be reported to the official Association of Boxing Commissions MMA record-keeper.

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Source: http://sports.yahoo.com/blogs/mma-cagewriter/matt-riddle-cut-ufc-second-positive-test-marijuana-183853926--mma.html

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Pay attention: Youngster demands politicians' attention


Who says you can't fight City Hall? Certainly not 11-year-old David Williams. The young man reprimanded members of the Dallas City Council for not giving him their undivided attention during a meeting.

In a video that went viral, David stands behind a podium, with a room full of strangers to his back. Well, actually, he stands to the side of the podium because he can't see over it. With the microphone as low as it can go, David asks the City Council about its plans for addressing violence in schools.

That's when things get interesting. While David is speaking, he notices that members of the council, instead of paying attention to him, are walking around and chatting. So, he calls them on it. "Do you feel it is acceptable for City Council members to be up and walking around while constituents are addressing them?" he asks.

Boom. That woke 'em up. Dwaine Caraway, a member of the council, praised David for asking such tough questions. "Let me first be apologetic to you," Caraway said. "I do walk a lot around here ... but it is not so respectful to walk around when visitors are speaking, so I will adhere to that as well."

David said that he would like to be on the council when he's an adult. But he's more interested in becoming president (of the United States, not the council). We think he's got a shot.

Source: http://news.yahoo.com/blogs/sideshow/11-old-reprimands-city-council-rudeness-211156121.html

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Wednesday, February 27, 2013

Rosa Parks statue set to be unveiled at Capitol

FILE -- In a June 15, 1999 file photo Rosa Parks smiles during a Capitol Hill ceremony where Parks was honored with the Congressional Gold Medal in Washington. Parks will become the first black woman to be honored with a full-length statue in the Capitol?s Statuary Hall on Wednesday Feb. 27, 2013. (AP Photo/Khue Bui, file)

FILE -- In a June 15, 1999 file photo Rosa Parks smiles during a Capitol Hill ceremony where Parks was honored with the Congressional Gold Medal in Washington. Parks will become the first black woman to be honored with a full-length statue in the Capitol?s Statuary Hall on Wednesday Feb. 27, 2013. (AP Photo/Khue Bui, file)

WASHINGTON (AP) ? Rosa Parks is famous for her 1955 refusal to give up her seat on a city bus in Alabama to a white man, but there's plenty about the rest of her experiences that she deliberately withheld from her family.

While Parks and her husband, Raymond, were childless, her brother, the late Sylvester McCauley, had 13 children. They decided Parks' nieces and nephews didn't need to know the horrible details surrounding her civil rights activism, said Rhea McCauley, Parks' niece.

"They didn't talk about the lynchings and the Jim Crow laws," said McCauley, 61, of Orlando, Fla. "They didn't talk about that stuff to us kids. Everyone wanted to forget about it and sweep it under the rug."

Parks' descendants now have a chance to be first-hand witnesses as their late matriarch makes more history, this time becoming the first black woman to be honored with a full-length statue in the Capitol's Statuary Hall. The statue of Parks joins a bust of another black woman, abolitionist Sojourner Truth, which sits in the Capitol Visitors Center.

President Barack Obama, Senate Minority Leader Mitch McConnell and House Speaker John Boehner are among the dignitaries taking part in the unveiling Wednesday. McCauley said more than 50 of Parks' relatives traveled to Washington for the ceremony.

In a pivotal moment in the civil rights movement, Rosa Parks refused to give up her seat on a city bus in segregated Montgomery, Ala. She was arrested, touching off a bus boycott that stretched over a year.

Jeanne Theoharis, author of the new biography "The Rebellious Life of Mrs. Rosa Parks," said Parks was very much a full-fledged civil rights activist, yet her contributions have not been treated like those of other movement leaders, such as the Rev. Martin Luther King Jr.

"Rosa Parks is typically honored as a woman of courage, but that honor focuses on the one act she made on the bus on Dec. 5, 1955," said Theoharis, a political science professor at Brooklyn College-City University of New York.

"That courage, that night was the product of decades of political work before that and continued ... decades after" in Detroit, she said.

Parks died Oct. 24, 2005, at age 92. The U.S. Postal Service issued a stamp in her honor on Feb. 4, which would have been her 100th birthday.

Parks was raised by her mother and grandparents who taught her that part of being respected was to demand respect, said Theoharis, who spent six years researching and writing the Parks biography.

She was an educated woman who recalled seeing her grandfather sitting on the porch steps with a gun during the height of white violence against blacks in post-World War I Alabama.

After she married Raymond Parks, she joined him in his work in trying to help nine young black men, ages 12 to 19, who were accused of raping two white women in 1931. The nine were later convicted by an all-white jury in Scottsboro, Ala., part of a long legal odyssey for the so-called Scottsboro Boys.

In the 1940s, Parks joined the NAACP and was elected secretary of its Montgomery, Ala., branch, working with civil rights activist Edgar Nixon to fight barriers to voting for blacks and investigate sexual violence against women, Theoharis said.

Just five months before refusing to give up her seat, Parks attended Highlander Folk School, which trained community organizers on issues of poverty but had begun turning its attention to civil rights.

After the bus boycott, Parks and her husband lost their jobs and were threatened. They left for Detroit, where Parks was an activist against the war in Vietnam and worked on poverty, housing and racial justice issues, Theoharis said.

Theoharis said that while she considers the 9-foot-statue of Parks in the Capitol an "incredible honor" for Parks, "I worry about putting this history in the past when the actual Rosa Parks was working on and calling on us to continue to work on racial injustice."

Parks has been honored previously in Washington with the Presidential Medal of Freedom in 1996 and the Congressional Gold Medal in 1999, both during the Clinton administration.

But McCauley said the Statuary Hall honor is different.

"The medal you could take it, put it on a mantel," McCauley said. "But her being in the hall itself is permanent and children will be able to tour the (Capitol) and look up and see my aunt's face."

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/3d281c11a96b4ad082fe88aa0db04305/Article_2013-02-27-Black%20History-Rosa%20Parks%20Statue/id-0f133c284eb04e4da5a6fc0780f0c752

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Researchers test holographic technique for restoring vision

Feb. 26, 2013 ? Researchers led by biomedical engineering Professor Shy Shoham of the Technion-Israel Institute of Technology are testing the power of holography to artificially stimulate cells in the eye, with hopes of developing a new strategy for bionic vision restoration.

Computer-generated holography, they say, could be used in conjunction with a technique called optogenetics, which uses gene therapy to deliver light-sensitive proteins to damaged retinal nerve cells. In conditions such as Retinitis Pigmentosa (RP) -- a condition affecting about one in 4000 people in the United States -- these light-sensing cells degenerate and lead to blindness.

"The basic idea of optogenetics is to take a light-sensitive protein from another organism, typically from algae or bacteria, and insert it into a target cell, and that photosensitizes the cell," Shoham explained.

Intense pulses of light can activate nerve cells newly sensitized by this gene therapy approach. But Shoham said researchers around the world are still searching for the best way to deliver the light patterns so that the retina "sees" or responds in a nearly normal way.

The plan is to someday develop a prosthetic headset or eyepiece that a person could wear to translate visual scenes into patterns of light that stimulate the genetically altered cells.

In their paper in the Feb. 26 issue of Nature Communications, the Technion researchers show how light from computer-generated holography could be used to stimulate these repaired cells in mouse retinas. The key, they say, is to use a light stimulus that is intense, precise, and can trigger activity across a variety of cells all at once.

"Holography, what we're using, has the advantage of being relatively precise and intense," Shoham said. "And you need those two things to see."

The researchers turned to holography after exploring other options, including laser deflectors and digital displays used in many portable projectors to stimulate these cells. Both methods had their drawbacks, Shoham said.

Digital light displays can stimulate many nerve cells at once, "but they have low light intensity and very low light efficiency," Shoham said. The genetically repaired cells are less sensitive to light than normal healthy retinal cells, so they preferably need a bright light source like a laser to be activated.

"Lasers give intensity, but they can't give the parallel projection" that would simultaneously stimulate all of the cells needed to see a complete picture, Shoham noted. "Holography is a way of getting the best of both worlds."

The researchers have tested the potential of holographic stimulation in retinal cells in the lab, and have done some preliminary work with the technology in living mice with damaged retinal cells. The experiments show that holography can provide reliable and simultaneous stimulation of multiple cells at millisecond speeds.

But implementing a holographic prosthesis in humans is far in the future, Shoham cautioned.

His team is exploring other ways, aside from optogenetics, to activate damaged nerve cells. For instance, they are also experimenting with ultrasound for activating retinal and brain tissue.

And Shoham said holography itself "also provides a very interesting path toward three-dimensional stimulation, which we don't use so much in the retina, but is very interesting in other projects where it allow us to stimulate 3-D brain tissue."

In mid-February, the U.S. Food and Drug Administration approved the first artificial retina and retinal prosthesis, which works in a different fashion than the Technion project. The FDA-approved device, the Argus II, uses an artificial "retina" consisting of electrodes, and a glasses-like prosthesis to transmit light signals to the electrodes.

"I think Shy's lab is very smart to pursue many methods of restoring vision," said Eyal Margalit, a retinal disease specialist at the University of Nebraska Medical Center. He said researchers around the world are also looking for ways to use stem cells to replace damaged retinal cells, to transplant entire layers of healthy retinal cells, and in some cases "bypass the eye entirely, and stimulate the cortex of the brain directly" to restore lost vision.

Shoham's co-authors on the paper included Dr. Inna Reutsky-Gefen, Lior Golan, Dr. Nairouz Farah, Adi Schejter, Limor Tsur, and Dr. Inbar Brosh.

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Story Source:

The above story is reprinted from materials provided by American Technion Society. The original article was written by Kevin Hattori.

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


Journal Reference:

  1. Inna Reutsky-Gefen, Lior Golan, Nairouz Farah, Adi Schejter, Limor Tsur, Inbar Brosh, Shy Shoham. Holographic optogenetic stimulation of patterned neuronal activity for vision restoration. Nature Communications, 2013; 4: 1509 DOI: 10.1038/ncomms2500

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

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/G1QOPaftAZc/130226134259.htm

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Judge refuses to dismiss charges in WikiLeaks case

FORT MEADE, Md. (AP) ? An Army private accused of sending classified material to the anti-secrecy website WikiLeaks has not been denied a speedy trial despite his lengthy pretrial confinement, a military judge ruled Tuesday.

Attorneys for Pfc. Bradley Manning had asked the judge to dismiss all charges against the former intelligence analyst because he's been detained for two years and nine months. Defense attorney David Coombs argued that prosecutors dragged their feet and that a commander rubber-stamped their requests for delay after delay.

Prosecutors said the delays were reasonable, given the complexity of the case and the volume of classified material involved. The military judge, Col. Denise Lind, agreed Tuesday with prosecutors, with a few minor exceptions. She denied the defense motion, letting the charges against Manning stand.

Manning faces 22 charges, including aiding the enemy, which carries a maximum life sentence. His court-martial is scheduled to start June 3 at Fort Meade, an Army base between Baltimore and Washington.

The 25-year-old Oklahoma native is accused of sending hundreds of thousands of Iraq and Afghanistan battlefield reports, State Department diplomatic cables, other classified records and two battlefield video clips to WikiLeaks in 2009 and 2010 while working as an intelligence analyst in Baghdad.

The Obama administration has said releasing the information threatened valuable military and diplomatic sources and strained America's relations with other governments. Experts say that by seeking to punish Manning, the administration is sending a strong message that such leaks will not be tolerated.

Manning supporters ? who held events Saturday to mark his 1,000 days in confinement ? consider him a whistleblowing hero whose actions exposed war crimes and helped trigger the Middle Eastern pro-democracy uprisings known as the Arab Spring in late 2010.

Manning has offered to plead guilty to reduced charges for 10 of the 22 counts he faces. Lind was scheduled to consider on Thursday whether to accept that plea after questioning Manning under oath about his actions. If she were to accept the plea, Manning would face 20 years in prison on those charges.

However, Manning has not reached a plea deal with prosecutors. Even if the plea were to be accepted, prosecutors could still pursue convictions on the other charges, including aiding the enemy and several counts of theft of government property.

Also on Tuesday, it was revealed that Manning has submitted a written statement about the leak and the motive behind it that he wants to read in court during Thursday's hearing on his guilty plea. Lind has not decided whether to allow Manning to read the statement into the record. Prosecutors objected to the statement.

Attorneys for Manning and the government also argued Tuesday about whether evidence that Osama bin Laden had viewed some of the material leaked by Manning and published by WikiLeaks was relevant. Prosecutors plan to call a witness who was part of the Navy SEAL raid on bin Laden's compound in Abbotabad, Pakistan, to establish that the al-Qaida leader possessed some of the material. The court would move to a secure location to hear that witness' testimony, and the person's name would not be made public.

The defense argues that such evidence is not necessary to prove the charge of aiding the enemy. What's relevant, Coombs said, is whether Manning knew at the time he handed over the material that the enemy would receive it.

Manning has won few significant victories in his lengthy pretrial proceedings, which included testimony from the soldier about how he was deprived of his clothing and told to stand at attention naked while on suicide watch at the maximum-security Marine Corps brig at Quantico, Va. He has since been transferred to medium-security confinement at Fort Leavenworth, Kan.

Lind ruled that Manning was illegally punished for part of the time he spent at Quantico and that 112 days should be cut from any prison sentence he receives if convicted.

___

Follow Ben Nuckols on Twitter at https://twitter.com/APBenNuckols.

Source: http://news.yahoo.com/judge-refuses-dismiss-charges-wikileaks-case-195001365.html

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Zumba trial: How much porn should jurors watch?

By Matthew DeLuca, Staff Writer, NBC News

A Maine judge is expected to decide whether to allow 577 "extremely sexual" Skype screenshots in the case of Zumba prostitution defendant Mark Strong on Tuesday.

The defense attorney for Strong, 57, warned of the graphic nature of the images and said Monday they would "drown" his client, according to the Bangor Daily News.

"I think some of this stuff is going to horrify some of these people to the point where he won't possibly get a fair trial," defense attorney Daniel Lilley said.

But prosecutors allege that the images are crucial evidence showing that Strong was involved in running a prostitution ring out of Alexis Wright's Pura Vida Zumba studio in Kennebunk. Wright is due to stand trial separately.

"The state has to prove that Mark Strong was actively involved in the prostitution [business]," Deputy District Attorney Justina McGettigan told Superior Court Justice Nancy Mills on Monday. "Part of that active involvement was that he was monitoring the prostitution from his Thomaston location through Skype."

Also to be discussed on Tuesday was a motion filed by the defense to dismiss the remaining charges against Strong. Defense attorney Lilley has accused the prosecution of missing deadlines to turn over documents related to the case.

Strong is on trial for 13 charges related to promotion of prostitution. Forty-six charges related to alleged violations of privacy were dismissed by the judge in a decision affirmed by the Maine Supreme Judicial Court on Feb. 15. He has pleaded not guilty to all charges.

Source: http://usnews.nbcnews.com/_news/2013/02/26/17101633-zumba-trial-how-much-porn-should-jurors-watch?lite

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Tuesday, February 26, 2013

Syria says it's prepared to talk with armed rebels

BEIRUT (AP) ? Syria said Monday it is prepared to hold talks with armed rebels bent on overthrowing President Bashar Assad, the clearest signal yet that the regime is growing increasingly nervous about its long-term prospects to hold onto power as opposition fighters make slow but persistent headway in the civil war.

Meanwhile, the umbrella group for Syrian opposition parties said it had reversed a decision to boycott a conference in Rome being held to help drum up financial and political support for the opposition. Walid al-Bunni, a spokesman for the Syrian National Coalition, said the move came after a phone call between the group's leader, Mouaz al-Khatib, and U.S. Secretary of State John Kerry.

Al-Bunni told pan-Arab broadcaster Al-Arabiya the decision was made based on guarantees al-Khatib heard from Western diplomats that the conference would be different this time. He did not elaborate. The boycott had put the group at odds with its international backers.

The Syrian talks offer, made by Foreign Minister Walid al-Moallem during a visit to Moscow, came hours before residents of Damascus and state-run TV reported a huge explosion and a series of smaller blasts in the capital, followed by heavy gunfire.

State-run news agency SANA said there were multiple casualties from the explosion, which it said was a suicide car bombing. Britain-based activist group the Syrian Observatory for Human Rights said the explosions targeted a checkpoint, adding there were initial reports of at least five regime forces killed and several wounded.

The talks proposal marked the first time that a high-ranking regime official has stated publicly that Damascus would be willing to meet with the armed opposition. But al-Moallem did not spell out whether rebels would first have to lay down their weapons before negotiations could begin - a crucial sticking point in the past.

The regime's offer is unlikely to lead to talks. The rebels battling the Syrian military have vowed to stop at nothing less than Assad's downfall and are unlikely to agree to sit down with a leader they accuse of mass atrocities.

But the timing of the proposal suggests the regime is warming to the idea of a settlement as it struggles to hold territory and claw back ground it has lost to the rebels in the nearly 2-year-old conflict.

Opposition fighters have scored several tactical victories in recent weeks, capturing the nation's largest hydroelectric dam and overtaking air bases in the northeast. In Damascus, they have advanced from their strongholds in the suburbs into neighborhoods in the northeast and southern rim of the capital, while peppering the center of the city with mortar rounds for days.

Monday night's explosion struck about 800 meters (yards) from Abbasid Square, a landmark plaza in central Damascus. It was followed by several other smaller blasts thought to be mortar shells landing in various districts of the capital. The explosions and subsequent gunfire caused panic among residents who hid in their apartments.

On Thursday, a car bomb near the ruling Baath Party headquarters in Damascus killed at least 53 people, according to state media.

While the momentum appears to be shifting in the rebels' direction, the regime's grip on Damascus remains firm, and Assad's fall is far from imminent.

Still, Monday's offer to negotiate with the armed opposition - those whom Assad referred to only in January as "murderous criminals" and refused to talk with - reflects the regime's realization that in the long run, its chances of keeping its grip on power are slim.

Asked about al-Moallem's remarks, U.S. State Department spokesman Patrick Ventrell said the offer of talks was a positive step "in the context of them raining Scuds down on their own civilians." But he expressed caution about the seriousness of the offer.

"I don't know their motivations, other than to say they continue to rain down horrific attacks on their own people," Ventrell told reporters in Washington. "So that speaks pretty loudly and clearly."

If the Assad regime is serious, he said, it should inform the U.N. peace envoy, Lakhdar Brahimi of its readiness for talks. Ventrell said the regime hasn't done that yet.

Andrew Tabler, a fellow at the Washington Institute for Near East Policy, called the offer "a sign of weakness."

"I think everybody knows, including Bashar Assad, that they (the regime) can't hang onto the whole country," Tabler said.

Mustafa Alani, an analyst with the Gulf Research Center in Geneva, said the regime has "reached the conclusion that they are heading toward a major defeat eventually, and this is the right time to negotiate."

"They are not losing miles every day, but they are losing substantial ground every day. So the regime is not genuine (in its offer) because it has changed, it's genuine because it is responding to a major shift in the balance of power on the ground," he added.

Alani cautioned, however, that the regime is also eager to keep the idea of talks alive in order to forestall any Western decision on arming the rebels. As long as the possibility of negotiations is still on the table, the U.S. and the European Union - which have so far provided only non-lethal aid - will be reluctant to open the flood gates on weapons for the opposition, he said.

"The whole regime tactic is to delay supplying arms, to buy time," Alani said. "The regime can show good will. Whether they're a viable partner or not is a different story."

It's also unclear who exactly the regime would sit across from at the negotiating table.

The dozens of armed groups across Syria fall under no unified command and do not answer to the Syrian National Council, which the West recognizes as the legitimate representative of the Syrian people.

At least one group offered a lukewarm response Monday to al-Moallem's proposal. Free Syrian Army chief Gen. Salim Idriss, said he is "ready to take part in dialogue within specific frameworks," but then rattled off conditions that the regime has rejected in the past.

"There needs to be a clear decision on the resignation of the head of the criminal gang, Bashar Assad, and for those who participated in the killing of the Syrian people to be put on trial," Idriss told Al-Arabiya TV.

He said the government must agree to stop all kinds of violence and to hand over power, stating that "as rebels, this is our bottom line."

Syria's 23-month-old conflict, which has killed more than 70,000 people and destroyed many of the country's cities, has repeatedly confounded international efforts to bring the parties together to end the bloodshed. Russia, a close ally of Assad and his regime's chief international advocate, offered Feb. 20, in concert with the Arab League, to broker talks between the rebels and the government.

With the proposal, which the Kremlin would be unlikely to float publicly without first securing Damascus' word that it would indeed take part, Moscow ratcheted up the pressure on Syria to talk to the opposition.

Russia has shielded Assad's government from U.N. action and kept shipping weapons to the military, but it is growing increasingly difficult to protect the regime as the violence grinds on.

Russian Foreign Minister Sergey Lavrov repeated his call Monday for Syria to negotiate with the opposition, saying before meeting al-Moallem that "the situation in Syria is at a crossroads now." He also warned that further fighting could lead to "the breakup of the Syrian state."

Past government offers for talks with the opposition have included a host of conditions, such as demanding that the rebels first lay down their arms. Those proposals have been swiftly rejected by both activists outside Syria and rebels on the ground.

Both sides in the conflict in recent weeks have floated offers and counteroffers to hold talks on the crisis.

In a speech in January, Assad offered to lead a national dialogue to end the bloodshed, but said he would not talk with the armed opposition and vowed to keep fighting. The opposition rejected the proposal.

This month, the SNC's al-Khatib said he would be open to discussions with the regime that could pave the way for Assad's departure, but that the government must first release tens of thousands of detainees. The government refused, and even members within the coalition balked at the idea of talks.

Speaking to reporters Monday in Cairo, al-Khatib accused the regime of procrastinating and said it had derailed his dialogue offer by not responding to the coalition's conditions.

"We are always open to initiatives that stop the killing and destruction, but the regime rejected the simplest of humanitarian conditions. We have asked that the regime start by releasing women prisoners and there was no response," he said. "This regime must understand that the Syrian people do not want it anymore."

The U.S.'s Kerry on Monday urged rebel leaders not to skip the Rome meeting and insisted that more help is on the way.

Kerry made a public plea at a joint news conference with British Foreign Secretary William Hague and also called al-Khatib "to encourage him to come to Rome," a senior U.S. official said. The official spoke on condition of anonymity because he wasn't authorized to speak publicly on the matter.

Meanwhile, the fighting inside Syria rages on.

The Observatory reported heavy clashes Monday near a police academy in Khan al-Asal just outside Aleppo.

Rebels backed by captured tanks launched an offensive on the facility Sunday. Observatory director Rami Abdul-Rahman said at least 13 rebels and five regime troops were killed.

In another part of Aleppo, rebels downed a military helicopter near the Mennegh airport, where there have been fierce clashes for months.

A video posted online by activists showed a missile being fired, a trail of white smoke and the aircraft going up in flames. Voices in the background shouted, "God is great!" as a man raised both hands in celebration.

The video appeared to be authentic and corresponded to other AP reporting.

___

Associated Press writers Nataliya Vasilyeva in Moscow, Albert Aji in Damascus, Zeina Karam in Beirut, Matthew Lee in London, Bradley Klapper in Washington and Geir Moulson in Berlin contributed to this report.

Source: http://news.yahoo.com/syria-says-prepared-talk-armed-rebels-195253563.html

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