Friday, April 26, 2013

PSA: WWDC 2013 tickets go on sale in one hour! (update: sold out)

PSA WWDC 2013 tickets go on sale in one hour!

You've had a day to renew your membership, book plane tickets and beg, borrow or steal $1,600 from your neighbors. Now it's time to sit on the WWDC homepage and find out if you'll actually be able to attend Apple's annual software shindig. The tickets go on sale in just an hour, so here's a friendly heads-up that you should get a cup of coffee, charge that battery pack and practice hitting F5, just in case.

Update: We've just seen a new definition of fast. As developers have noticed, Apple sold out of WWDC tickets in about two minutes -- and possibly sooner than that.

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Source: Apple

Source: http://www.engadget.com/2013/04/25/wwdc-2013-psa/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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38 die in psychiatric hospital fire near Moscow

MOSCOW (AP) ? At least 38 people died in a fire in a psychiatric hospital outside Moscow late Thursday night.

Police said the fire, which broke out at about 2 a.m. local time (6 p.m. Eastern, 2200 GMT) in the one-story hospital in the Ramenskoye settlement, was caused by a short circuit, the RIA Novosti reported on Friday.

Officials from the Russian Investigative Committee later said they are looking at poor fire regulations and short circuit as possible causes.

By early Friday morning, investigators listed 38 people ? 36 patients and two doctors ? as dead. Only three nurses managed to escape. The emergency services also posted a list of the patients indicating they ranged in age from 20 to 76.

Health Ministry officials said that hospital housed patients with severe mental disorders. Vadim Belovoshin from the emergency situations ministry official told the Itar-TASS news agency that the windows in the hospital were barred but said there were two fire escapes.

Belovoshin also said that it took fire fighters an hour to get to the hospital following an emergency call because a local ferry across the river was closed and the fire fighters had to make a detour.

Deadly fires are common in Russia because of wide-spread violations of fire safety rules.

Source: http://news.yahoo.com/38-die-mental-hospital-fire-outside-moscow-051615611.html

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Thursday, April 25, 2013

House GOP report: Hillary Clinton lied under oath about additional Benghazi security request (Michellemalkin)

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Kerry: NATO needs plan for Syrian chemical weapons

BRUSSELS (AP) ? U.S. Secretary of State John Kerry urged NATO on Tuesday to prepare for the possible use of chemical weapons by Syria on the same day that a senior Israeli military intelligence official said Syrian President Bashar Assad had used such weapons last month in his battle against insurgents.

It was the first time Israel had accused the embattled Syrian leader of using his stockpile of nonconventional weapons.

The assessment, based on visual evidence, could raise pressure on the U.S. and other Western countries to intervene in Syria. Britain and France recently announced that they had evidence that Assad's government had used chemical weapons.

President Barack Obama has warned that the use of chemical weapons by Assad would be a "game changer" and has hinted that it could draw intervention.

But White House spokesman Jay Carney said while the administration is continuing to monitor and investigate whether the Syrian regime has used chemical weapons, it has "not come to the conclusion that there has been that use."

"But it is something that is of great concern to us, to our partners, and obviously unacceptable as the president made clear," Carney said.

Despite the deteriorating situation, NATO officials say there is virtually no chance the alliance will intervene in the civil war. More than 70,000 people have died in the conflict, according to the United Nations. The violence also has forced more than 1 million Syrians to seek safety abroad, and more are leaving by the day, burdening neighboring countries such as Lebanon, Jordan, Turkey and Iraq.

On Tuesday, Brig. Gen. Itai Brun, the head of research and analysis in Israeli military intelligence, told a security conference in Tel Aviv that Assad had used chemical weapons multiple times. Among the incidents were attacks documented by the French and British near Damascus last month.

He cited images of people hurt, but gave no indication he had other evidence, such as soil samples, typically used to verify chemical weapons use.

"To the best of our professional understanding, the regime used lethal chemical weapons against the militants in a series of incidents over the past months, including the relatively famous incident of March 19," Brun said. "Shrunken pupils, foaming at the mouth and other signs indicate, in our view, that lethal chemical weapons were used."

He said sarin, a lethal nerve agent, was probably used. He also said the Syrian regime was using less lethal chemical weapons. And he appeared to lament the lack of response by the international community.

"The fact that chemical weapons were used without an appropriate response is a very disturbing development because it could signal that such a thing is legitimate," he said.

Israel, which borders Syria, has been warily watching the Syrian civil war since fighting erupted there in March 2011. Although Assad is a bitter enemy, Israel has been careful not to take sides, partly because the Assad family has kept the border with Israel quiet for 40 years and partly because of fears of what might happen if he were toppled.

Israeli officials are concerned that Assad's stockpile of chemical weapons and other advanced arms could reach the hands of his ally, the Hezbollah militant group in Lebanon, or Islamic extremist groups trying to oust him from Syria.

Kerry, attending his first meeting of NATO's governing body, the North Atlantic Council, as America's top diplomat, said contingency plans should be put in place to guard against the threat of a chemical strike. Turkey, a member of the military alliance, borders Syria and would be most at risk from such an attack. NATO has already deployed Patriot missile batteries in Turkey.

"Planning regarding Syria, such as what (NATO) has already done, is an appropriate undertaking for the alliance," Kerry told NATO foreign ministers. "We should also carefully and collectively consider how NATO is prepared to respond to protect its members from a Syrian threat, including any potential chemical weapons threat."

Speaking at a news conference after the meeting, NATO Secretary General Anders Fogh Rasmussen said the alliance is "extremely concerned about the use of ballistic missiles in Syria and the possible use of chemical weapons." However, he also noted that NATO has not been asked to intervene.

"There is no call for NATO to play a role, but if these challenges remain unaddressed they could directly affect our own security," he told reporters. "So we will continue to remain extremely vigilant."

Russian Foreign Minister Sergey Lavrov, in Brussels to talk with his counterparts from NATO countries, said Russia would want any investigation of whether chemical weapons have been used to be conducted by experts and concern only the specific report being investigated.

Speaking through a translator in a press conference at NATO headquarters in Brussels, Lavrov said that, in March, after each side in Syria's civil war accused the other of using chemical weapons in northern Aleppo province, the U.N. investigation became politicized and overly broad. Instead of sending experts to study the specific area and the specific allegation, Lavrov said investigators demanded access to all facilities in the country and the right to interview all Syrian citizens.

In Washington, Pentagon spokesman George Little said the U.S. "continues to assess reports of chemical weapons use in Syria."

"The use of such weapons would be entirely unacceptable," he added.

Later in the day, Kerry appeared to try to soften his earlier remarks, saying he had no way of knowing what the facts were.

"I didn't ask for additional planning," he said. "I think it might have been the secretary general or somebody who commented that we may need to do some additional planning. But there is no specific request. What there was from me was a very clear statement about the threat of chemical weapons and the potential for chemical weapons generically to fall into bad hands."

He also said the Obama administration is "looking at every option that could possibly end the violence and usher in a political transition" and that plans need to be made now to ensure that there is no power vacuum when that takes place. He said increasing aid to the Syrian National Coalition and its military command, the Supreme Military Council, would be critical to that effort.

Many of NATO's 28 members also belong to the European Union, which on Monday lifted its oil embargo on Syria to provide more economic support to the rebels and is now considering easing an arms embargo on the country to allow weapons transfers to those fighting the Assad regime.

Kerry did not mention the possible easing of the EU embargo but he did say that NATO should begin to think about taking on a larger role in planning for a post-Assad Syria, particularly in dealing with the country's chemical weapons stockpiles.

The NATO ministers were also working Tuesday on defining how the alliance would support Afghan forces after 2014, when NATO will no longer have a combat role.

With next year's transition date looming, Kerry will host three-way talks in Brussels on Wednesday with Afghan President Hamid Karzai and top Pakistani officials aimed at speeding possible reconciliation talks with the Taliban and improving trust and cooperation between Afghanistan and Pakistan.

On the sidelines of the NATO meeting, Kerry met Lavrov to discuss a range of issues, including Syria. He also thanked Lavrov for Russian President Vladimir Putin's statement of condolence to the U.S. for last week's bombings at the Boston Marathon blamed on two ethnic Chechen brothers.

___

Associated Press writers Ariel David in Tel Aviv, Peter James Spielmann at the United Nations, and Kimberly Dozier and Julie Pace in Washington contributed to this report.

___

Don Melvin can be reached at https://twitter.com/Don_Melvin

Source: http://news.yahoo.com/kerry-nato-needs-plan-syrian-chemical-weapons-131108029.html

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What planets are made of: Findings establish counterintuitive potential planet-forming materials

Apr. 24, 2013 ? A team of researchers led by Artem R. Oganov, a professor of theoretical crystallography in the Department of Geosciences, has made a startling prediction that challenges existing chemical models and current understanding of planetary interiors -- magnesium oxide, a major material in the formation of planets, can exist in several different compositions. The team's findings, "Novel stable compounds in the Mg-O system under high pressure," are published in the online edition of Physical Chemistry Chemical Physics. The existence of these compounds -- which are radically different from traditionally known or expected materials -- could have important implications.

"For decades it was believed that MgO is the only thermodynamically stable magnesium oxide, and it was widely believed to be one of the main materials of the interiors of the Earth and other planets," said Qiang Zhu, the lead author of this paper and a postdoctoral student in the Oganov laboratory.

"We have predicted that two new compounds, MgO2 and Mg3O2, become stable at pressures above one and five million atmospheres, respectively. This not only overturns standard chemical intuition but also implies that planets may be made of totally unexpected materials. We have predicted conditions (pressure, temperature, oxygen fugacity) necessary for stability of these new materials, and some planets, though probably not the Earth, may offer such conditions," added Oganov.

In addition to their general chemical interest, MgO2 and Mg3O2 might be important planet-forming minerals in deep interiors of some planets. Planets with these compounds would most likely be the size of Earth or larger.

The team explained how its paper predicted the structures in detail by analyzing the electronic structure and chemical bonding for these compounds. For example, Mg3O2 is forbidden within "textbook chemistry," where the Mg ions can only have charges "+2," O ions are "-2, and the only allowed compound is MgO. In the "oxygen-deficient" semiconductor Mg3O2, there are strong electronic concentrations in the "empty space" of the structure that play the role of negatively charged ions and stabilize this material. Curiously, magnesium becomes a d-element (i.e. a transition metal) under pressure, and this almost alchemical transformation is responsible for the existence of the "forbidden" compound Mg3O2.

The findings were made using unique methods of structure prediction, developed in the Oganov laboratory. "These methods have led to the discovery of many new phenomena and are used by a number of companies for systematically discovering novel materials on the computer -- a much cheaper route, compared to traditional experimental methods," said Zhu.

"It is known that MgO makes up about 10 percent of the volume of our planet, and on other planets this fraction can be larger. The road is now open for a systematic discovery of new unexpected planet-forming materials," concluded Oganov.

This work is funded by the National Science Foundation and DARPA.

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Story Source:

The above story is reprinted from materials provided by Stony Brook University.

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Journal Reference:

  1. Qiang Zhu, Artem R. Oganov, Andriy O. Lyakhov. Novel stable compounds in the Mg?O system under high pressure. Physical Chemistry Chemical Physics, 2013; DOI: 10.1039/C3CP50678A

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/top_news/top_technology/~3/e0dYr5OduAk/130424125444.htm

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Wednesday, April 24, 2013

Fieldrunners 2 now available for your tower defending pleasure

Android Central

Fieldrunners 2 introduces elevation to the classic tower defense formula

The sequel to one of the most widely-loved tower defense games has finally come to Android. Fieldrunners 2 expands on the cute graphics and wide strategic elements of the original with new maps, new towers, new creeps, and upgraded visuals.

The biggest change is the introduction of trenches, bridges, and tunnels. Adding elevation to the mix introduces a whole new challenge to the classic tower defense formula.  Puzzle, sudden death, and time trial game modes are all available across a bunch of different landscapes. 

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Source: http://feedproxy.google.com/~r/androidcentral/~3/ACjRXedbEgk/story01.htm

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Tuesday, April 23, 2013

Residential lawns efflux more carbon dioxide than corn fields

Apr. 23, 2013 ? More carbon dioxide is released from residential lawns than corn fields according to a new study. And much of the difference can likely be attributed to soil temperature. The data, from researchers at Elizabethtown College, suggest that urban heat islands may be working at smaller scales than previously thought.

These findings provide a better understanding of the changes that occur when agricultural lands undergo development and urbanization to support growing urban populations.

David Bowne, assistant professor of biology, led the study to look at the amount of carbon dioxide being released from residential lawns versus corn fields in Lancaster County, Pennsylvania. His co-author, Erin Johnson, was an undergraduate at the time of the study and did the work as part of her senior honors thesis. Their findings were published online today in Soil Science Society of America Journal.

For Bowne, the study allowed him to look beyond the obvious impact of losing agricultural fields to development -- the loss of food that was once produced on the land.

"That is a legitimate concern, but I wanted to look more at how this change could potentially impact the carbon cycle with the understanding that the carbon cycle has implications for global climate change," explains Bowne.

To begin to understand how the carbon cycle was changing, Bowne and Johnson measured carbon dioxide efflux, soil temperature, and soil moisture under the two different land uses. They found that both carbon dioxide efflux and soil temperature were higher in residential lawns than in corn fields. Additionally, temperature had the most influence on the levels of carbon dioxide efflux, followed by the type of land use.

Higher temperatures leading to increased carbon dioxide efflux was not a surprise for Bowne and Johnson as this relationship has been documented before. "As you increase temperature," Bowne explains, "you increase biological activity -- be it microbial, plant, fungal, or animal." That increased activity, then, leads to more respiration and higher levels of carbon dioxide leaving the soils.

What was unexpected, however, was that the higher temperatures found in residential lawns suggested urban heat islands working at small scales. Urban heat islands are well documented phenomena in which development leads to large areas of dark-colored surfaces such as roofs, buildings, and parking lots. The dark color means more heat is absorbed leading to an increase in temperature in the neighboring areas. Urban areas, then, are warmer than the surrounding countryside.

The interesting part of Bowne's study is that the urban heat islands in the areas he was looking seem to operate on much smaller scales than he previously thought. While heat islands are usually studied on large scales -- such as comparing a large city and its surrounding rural areas -- fewer studies have been done to work out how development may affect temperatures on small scales.

"Within a developed area, within a city or town, you could have local increases in soil temperature because of the amount of development within a really small area," says Bowne.

His research suggests that temperatures may vary even across short distances due to the influence of development. One source cited in his paper says that development within even 175 meters of a location can cause an increase in temperature. Bowne is planning further experiments to test soil temperatures over a range of development setups and sizes.

The other factor that Bowne will test in the future is the sequestration of carbon. Along with the carbon dioxide efflux data in the current study, information about carbon sequestration would give a bigger picture of carbon cycling. That picture could then help researchers determine how various land uses as well as management practices such as no-till agriculture or leaving grass clippings on lawns can change the carbon cycling.

"If we go from one land use to another land use, how does that impact carbon cycling which in turn can affect climate change? Our current study touches on one component of that cycle, and more research is needed to address this huge topic," says Bowne.

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Story Source:

The above story is reprinted from materials provided by Soil Science Society of America (SSSA).

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


Journal Reference:

  1. David R. Bowne, Erin R. Johnson. Comparison of Soil Carbon Dioxide Efflux between Residential Lawns and Corn Fields. Soil Science Society of America Journal, 2013; 0 (0): 0 DOI: 10.2136/sssaj2012.0346N

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/top_news/~3/lDxyqrGcYCA/130423110711.htm

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