Splintered by Stress: The Good and Bad of Psychological Pressure

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In Brief

Stress and Memory

Stress hormones such as adrenaline and cortisol can either facilitate or impair memory, depending on when these hormones are released.

Stress hormones may affect memory by strengthening or weakening the connections between nerve cells in the brain.

Drugs that mimic cell-adhesion molecules, which bridge the gaps between nerve cells, may help restore memory in people with stress-induced cognitive disorders.

A needling twinge in the torso or a tense interaction with a boss is all you need to get your nerves on edge. The bills are piling up and?of course?your spouse is on your case about them. You feel as if an extra weight is pressing down on your mind.

The all too familiar sensation of stress can preoccupy your thoughts, narrowing attention to the sphere of your concerns. But its effects do not end there?stress also causes physical changes in the body. In a stressful situation, alarm systems in the brain trigger the release of hormones that prepare you to fight back or flee the scene. Among other results, these chemicals may boost blood pressure, speed up heart rate and make you breathe faster. They may also affect your ability to learn and remember things.

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Markets heading to new danger zone: Zoellick (Reuters)

SYDNEY (Reuters) ? The loss of market confidence in economic leadership in key countries like the United States and Europe coupled with a fragile economic recovery have pushed markets into a new danger zone, something that policymakers have to take seriously, the head of the World Bank said on Sunday.

Speaking at the Asia Society dinner in Sydney, Robert Zoellick also said the global economy was going through a multi-speed recovery, with developing countries now the source of growth and opportunity.

"What's happened in the past couple of weeks is there is a convergence of some events in Europe and the United States that has led many market participants to lose confidence in economic leadership of some of the key countries," he said.

"I think those events combined with some of the other fragilities in the nature of recovery have pushed us into a new danger zone. I don't say those words lightly ... so that policymakers recognize and take it seriously for what it is."

Zoellick said the process of dealing with the sovereign debt problem and some of the competitive issues in the euro zone have tended to be done "a day late," leaving markets worried that authorities may not be ahead of the problem or moving in the right direction.

"That (worry) has accumulated and so we're moving from drama to trauma for a lot of the euro zone countries," he said.

On the United States, Zoellick said it wasn't fears the world's biggest economy faced an imminent problem, but "frankly that markets are used to the United States playing a key role in the economic system and leadership."

He said efforts to cut U.S. government spending have so far been focused on discretionary spending as opposed to the entitlement program such as social security. "Until they make an effort on those programs, there is going to be continued skepticism about dealing with long-term spending."

Zoellick said while market confidence has been hit, the real issue was whether this will spread to business and consumer confidence, something that was still unclear.

"What is different from the world of the past is now emerging markets are sources of growth and opportunity. About half of global growth is represented by the developing world ... so this is a very rapid change in a relatively short span of time in historical terms," he added.

On China, Zoellick said the appreciation of the yuan would be constructive, especially in helping tackle the country's inflationary pressure.

On Australia, he said the country was in a much better position than other developed countries because it undertook structural reforms. On the fiscal side, he noted Australia's debt was only 7 percent of gross domestic product and taking advantage of its position in the Asia Pacific..

(Reporting by Ian Chua; Editing by Cecile Lefort)

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Automotive Spark ? Blog Archive ? Motorcycle Components

In our daily life, motorcycles are also catch people?s attention except for cars and bicycles. They are important transportation mode that we can not ignore. Motorcycles have been developed a lot through these years. Modern types are quite different from the earlier ones for that they can include high-tech components.

It is common that every product should depend on various parts to achieve the expected function, so do the motorcycles. They also need specific parts to function properly. Different components work together to keep the motorcycles in a good condition.

One of the most obvious and important parts is the wheel. Generally, there are two wheels on a motorcycle which featured steel spokes traditionally. But through the development, many other types can be found now such as the cast aluminum wheels and other alloy models. Usually, rear wheels may be larger and wider than front wheels because of their drive configuration.

Drivetrain is just like the heart of the motorcycle. It is powered by the drivetrain which includes the engine. Motorcycle engines are usually centrally mounted below the driver?s seat. It conveys power to the rear drive wheel through its transmission. The transmission itself is attached to the engine, and operated by a shift lever and a clutch. And the system connecting the transmission to the rear wheel (the final drive) varies on different types of motorcycles, and may be a chain or belt, or a solid shaft.

Brakes are also necessary components on a motorcycle. They are controlled by a hydraulic system that is activated by handlebar or foot levers. Typically, disc brakes are offered on high end models or heavier motorcycles that require more powerful brakes.

Electrical system is an indispensable part. Sometimes, it is very complex. Some of the most basic electrical components are the lights, which include the headlights, tail lights, directional signals and brake lights. In addition, the instrumentation which includes the speedometer, tachometer and odometer is also an important part of this system.

Of course, there are still many other parts which also have significance to the motorcycles. They may be added to distinguish one model from another, or to prepare a motorcycle for a certain type of driving. All in all, all of the motorcycle parts are important for the proper function of the whole machine.

This entry was posted on Saturday, August 13th, 2011 at 8:10 am and is filed under Automotive Components. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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Tips On How To Keep Your Carpet Clean In Simi Valley | Articles ...

A clean floor is the sign of a clean business. However, when there is a high amount of customer traffic, this is not always possible. When vacuuming is no longer enough it is time for deep Simi Valley carpet cleaning.

A business owner needs to concentrate on the running of their business, not on keeping the flooring stain free. This is why hiring professionals to do the dirty work for them is a good idea. A commercial cleaner will come into each individual business and use their knowledge to decide on what the perfect plan of action should be. Clean flooring equals a longer life which is turn is going to save the business owner money.

There is no one, right way to perform this task. Each business is going to be different and a professional company will be able to tailor their expertise to each one. Not only is each customer different, but each area of the business will need a different amount of attention. Public areas, such as the lobby is likely to need spot cleaning, while hallway areas will have more foot traffic and need a deeper level of attention.

While the floor should be vacuumed at least once a week, extra care should be taken in vacuuming right before shampooing takes place. Vacuuming not only removes dirt particles but it can also reduce the germs inside of the building. Moving the vacuum over the carpet in one direction and then in the other will help insure that more dirt is being removed.

Pretreating an area will allow the professional to get the greatest benefit from the shampooing process. The pretreatment chemicals can be increased during this process if the area is particularly dirty. After shampooing, these heavily soiled areas can be treated with a fabric protector to repel future stains.

Treating spills right away will help keep stains at bay between deep carpet cleaning Simi Valley sessions. Using a protector spray will help stains to not set in should a spill occur. Using area rugs will offer protection from stains also.

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