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The seven foreigners and one Indonesian were executed by firing squad on Wednesday, sparking diplomatic fury reenex cps.

In a statement, Mr Ban said the death penalty had "no place in the 21st Century" and urged Indonesia to spare all other death row prisoners reenex cps .

Indonesia has staunchly defended its actions as part of its "war on drugs".

"Execution is not a pleasant thing. It is not a fun job," Indonesian Attorney General Prasetyo said on Wednesday.

"But we must do it in order to save the nation from the danger of drugs."

Among the executed prisoners were two Australian men - Andrew Chan and Myuran Sukumaran - and Brazilian Rodrigo Gularte, all convicted of drug smuggling.

Australia, a key ally of Indonesia, has recalled its ambassador in protest.

Mr Abbott on Wednesday described the treatment of the Australians as "cruel and unnecessary", calling it a "dark moment" in Australia's relationship with Indonesia reenex.

It is the first case of a grandmaster being referred to the International Chess Federation (FIDE) since it established an Anti-Cheating Commission last year.reenex 價錢

Describing the problem in chess as "high-tech doping," officials say they have increased their efforts to stamp it out.

As computers have become more discrete and more powerful, FIDE has begun deploying metal detectors, blocking devices and carrying out random inspections of players to prevent their use at competitions.reenex cps

In 2008, before smartphones became widespread, an Iranian player was banned from the Dubai Open for taking tips via text message.

Today, cheating is relatively rare at the top level but lesser players have been known to hide electronic devices in their socks and shoes, and even inside their ears.

As a result, arbiters are now permitted to search competitors. Failure to comply can lead to expulsion.保濕精華

We denounce vigilantism and the cowardly act that took place this morningReenex 好唔好 ."

Phill Kline, an opponent of Dr Tiller and a former attorney-general of the state of Kansas, said: "I am stunned by this lawless and violent act, which must be condemned and should be met with the full force of law."

President Barack Obama said he was shocked and outraged over the killing.

"However profound our differences as Americans over difficult issues such as abortion, they cannot be resolved by heinous acts of violence," Mr Obama saidreenex br />
The shooting came two weeks after the president made a major speech on abortion at one of the main Catholic universities in the US.

Correspondents say the president is attempting to defuse the abortion issue - a highly emotive subject in US public life - by arguing that while it should remain legal, the government should do all it can to limit the number of unwanted pregnancies.

But members of the anti-abortion movement have been angered by the president's reversal of restrictions on federal funding for embryonic stem cell research and for family-planning groups which carry out or facilitate abortions outside the US.

Under Kansas state law, abortions later in pregnancy are legal only if two independent physicians agree that the mother could suffer irreparable harm by giving birth.

Dr Tiller's clinic is one of just three in the US to perform abortions after 21 weeks.reenex cps

The study of walking around the city is usually tied to safety. Research suggests that people who talk on the phone while cruising the sidewalk fail to process their surroundings as fully as those walking undistracted, as we previously reported. People who walk and talk cross the street with less time to spare than those who don't; they even have less time to spare than people who walk and solve a complex math problem. Other work has found that drunk walking can be potentially as dangerous as drunk driving, at least statistically speaking辦公室傢俬.

But even silent, sober strolls are starting to catch the eyes of scientists. Last month the Economist published a great piece about the emerging science of typical pedestrian behavior — a field that combines elements of physics, engineering, statistics, and cognition to understand just how we'll take that next step:

More than any other way of getting around—such as being crushed into a train or stuck in a traffic jam—walking appears to offer freedom of choice. Reality is more complicated. Whether stepping aside to avoid a collision, following the person in front through a crowd or navigating busy streets, pedestrians are autonomous yet constrained by others. They are both highly mobile and very predictable.

Much of the piece focuses on the research of Mehdi Moussaid, a crowd scientist at the Max Planck Institut for Human Development in Berlin. A great deal of Moussaid's work looks at how pedestrians respond to sidewalk traffic. When a person is walking straight toward another, for instance, a decision occurs whether to go right or left to avoid a collision. The decision has nothing to do with driving customs; inBritain, walkers avoid to the right despite driving on the left. Still people end up choosing the proper side through the some sort of implicit social understanding, Moussaid concluded in a 2009 study Office Furniture [PDF]:

[W]e suggest that the left/right bias can be interpreted as a behavioural convention that emerges because the coordination during evading manoeuvres is enhanced when both pedestrians favour the same side (Bolay 1998; Helbing 1991). It is therefore advantageous for an individual to develop the same preference as the majority of people. Through a self-reinforcing process, most people would use the same strategy in the end. As both sides are equivalent in the beginning, the theory predicts that different preferences emerge in different regions of the world, as it is actually observed cloud compiting.

Not every society reacts to pedestrian congestion the same way. A recent comparison of Germans and Indians revealed that although people from both cultures walk "in a similar manner" when alone, their behavior varies greatly in the presence of others. As one might expect given the densities of their respective countries, Indians need less personal space than Germans do, according to the researchers. As a result, when Germans encountered traffic during a walking experiment, they decreased speed more rapidly than Indians did. "Surprisingly the more unordered behaviour of the Indians is more effective than the ordered behaviour of the Germans, " the study concludes [PDF].

Moussaid has found that it's a natural tendency to clump together on the sidewalk. In a 2010 study published in PLoS One, Moussaid and colleagues reported that 70 percent of walkers travel in groups — a custom that slows down pedestrian flow by about 17 percent. That's because when pedestrian groups encounter space problems on the sidewalk they flex into V-shaped clusters that "do not have optimal 'aerodynamic' features" just so they can continue to talk, according to the researchers drawer storage.

Other scientists are more interested in the course of an urban journey. In the January issue of Transportation Research Part F, Greek engineer Eleonora Papadimitriou presents a model of typical street-crossing behavior by city pedestrians. Papadimitriou found that people tend to cross major streets either at the beginning or the end of long trips through the city. People who walk fast tend to postpone crossings as long as possible; they're also more likely to cross in the middle of the block. Mid-block crossing rises in frequency with the length of a trip, one-way roads, and curbside parking. As the number of traffic lanes increases, however, we become more likely to cross at an official juncture.

In the end the study of basic pedestrian behavior still comes back to public safety. Understanding how we walk can increase the safety of crowd movements: it can help architects design more effective building exits and help event planners prepare for mass gatherings like the Olympics or the World Cup. While Moussaid began his work from a physicist's perspective, he has since adjusted his views to include cognitive factors of pedestrian behavior [PDF]; as a result, he now suspects that changes to the visual field, such as lighting systems, could help direct people through crowds in an emergency. Papadimitriou, meanwhile, believes that a better understanding of urban crossing behavior will ultimately help city road networks — too often "oriented towards motorists' needs" — adjust to the needs of pedestrians 雪肌蘭?v=O1hB4vzn40M&feature=share&list=UUFkOEi4u2gsCi">Home Organizers.