Tuesday, July 31, 2012

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Source: http://twitter.com/oxfamgb/statuses/229844588989411329

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Magnetic field, mantle convection and tectonics

ScienceDaily (July 27, 2012) ? On a time scale of tens to hundreds of millions of years, the geomagnetic field may be influenced by currents in the mantle. The frequent polarity reversals of Earth's magnetic field can also be connected with processes in the mantle. These are the research results presented by a group of geoscientists in the new advance edition of Nature Geoscience on July 29th.

The results show how the rapid processes in the outer core, which flows at rates of up to about one millimeter per second, are coupled with the processes in the mantle, which occur more in the velocity range of centimeters per year.

The international group of scientists led by A. Biggin of the University of Liverpool included members of the GFZ German Research Centre for Geosciences, the IPGP Paris, the universities of Oslo and Utrecht, and other partners.

It is known that Earth's magnetic field is produced by convection currents of an electrically conducting iron-nickel alloyin the liquid core, about 3,000 kilometers below Earth's surface. The geomagnetic field is highly variable, there are changes in Earth's magnetic field on a multitude of spatial and temporal scales. Above the liquid outer core is the mantle, the rock in which behaves plastically deformable due to the intense heat and high pressure. At the boundary between Earth's core and mantle at 2900 km depth there is an intense heat exchange, which is on the one hand directed from Earth's core into the mantle. On the other hand, processes within Earth's mantle in turn also affect the heat flow. The interesting question is how the much slower flow in the solid mantle influences the heat flow and its spatial distribution at the core-mantle boundary, and how this will affect the Earth's magnetic field which is produced due to the much faster currents in Earth's core.

Key variable heat transfer

"The key variable is the heat flow. A cooler mantle accelerates the flow of heat from the hot core of Earth, and in this way alters the also heat-driven convection in Earth's core," said Bernhard Steinberger of the GFZ German Research Centre for Geosciences. "Ocean floor sinking into the mantle due to tectonic processes can lead to cooling in the mantle. They cause at these sites an increased heat flow into the cooler parts, namely until they have been heated to the ambient temperature." That might take several hundred million years, however.

Conversely, the hot core of Earth leads to the ascent of heated rocks in form of large bubbles, so-called mantle plumes that separate from the core-mantle boundary and make their way up to the surface of Earth. This is how Hawaii came into existence. This increases the local heat flux out of Earth's core and in turn modifies the generator of the geomagnetic field.

Reversals of the magnetic field

In Earth's history, polarity reversals of the geomagnetic field are nothing extraordinary. The most recent took place only 780 000 years ago, geologically speaking a very short period of time. The research team was able to determine that in the period of 200 to 80 million years before present, reversals initially happened more often, namely up to ten times in hundred million years. "Surprisingly, these reversals stopped about 120 million years ago and were absent for nearly 40 million years," explains GFZ scientist Sachs. Scientists presume that the reason for this is a concurrent reorientation of the whole mantle and crust with a shift in the geographic and magnetic poles of about 30?. Known as "true polar wander," thisprocess is caused by a change in density distribution in the mantle. If it increases the heat flux in equatorial regions, it would presumably lead to more frequent field reversals, if it decreases it, the field reversal might not occur.

Looking to the future

According to current knowledge, therefore, an influence of plate tectonics and mantle convection on Earth's magnetic field seems quite possible. The article also shows, however, that further research is still needed for a better understanding of these relationships. In particular, more episodes of "true polar wander" should be derived from paleomagnetic data, and it should be determined whether these are usually associated with an altered behavior of the magnetic field (e.g. frequency of field reversal). Also, future models for the generation of the geomagnetic field should investigate the influence of the spatial and temporal variation of the heat flux at the core-mantle boundary in more detail.

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The above story is reprinted from materials provided by Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences.

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


Journal Reference:

  1. A. J. Biggin, B. Steinberger, J. Aubert, N. Suttie, R. Holme, T. H. Torsvik, D. G. van der Meer, D. J. J. van Hinsbergen. Possible links between long-term geomagnetic variations and whole-mantle convection processes. Nature Geoscience, 2012; DOI: 10.1038/NGEO1521

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/~3/8GwcK7AM4zY/120729142156.htm

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US futures flat ahead of Geithner-Draghi meeting

NEW YORK (AP) ? U.S. stock futures were flat Monday as Treasury Secretary Timothy Geithner headed to Europe, where the latest economic data suggested a tricky path to recovery.

Dow Jones industrial futures fell 20 points to 13,013 and the broader S&P futures gave up 3.4 points to 1,379.10. Nasdaq futures gained 2.75 points to 2,644.75.

The European Commission released a report Monday showing that economic sentiment dipped, with pessimism growing in both the industrial and service sectors. There were sharp declines in Germany, France and in Spain. The report was released on the same day that Spain's National Statistics Institute said that its economy contracted for the third straight quarter.

Geithner is meeting his German counterpart and the head of the European Central Bank on Monday, whose comments last week sent markets sharply higher.

European Central Bank President Mario Draghi pledged to do what was needed to save the euro, at least within the organization's mandate.

Those comments appeared to buoy markets in Europe for a second week.

In Europe, Germany's DAX rose 62.22 points to 6751.62 while the CAC-40 in France rose 0.5 percent higher at 3,295. The FTSE 100 index of leading British shares gained 54.05 points to 5627.21.

U.S. markets appeared to focus on the latest economic data out of Europe, however, with no major U.S. corporate earnings Monday and no economic indicators at home.

Later this week, the Labor Department releases its July employment report, and many investors may be staying on the sidelines until then.

Hiring has slowed sharply compared with the first three months of the year. Employers added only 80,000 jobs in June, the third straight month of weak hiring. The unemployment rate seems stuck around 8 percent.

Source: http://news.yahoo.com/us-futures-flat-ahead-geithner-draghi-meeting-123523357--business.html

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Monday, July 30, 2012

This Is Apple's New Favorite Typeface [Design]

Apple had three favorite typefaces: Myriad, Lucida Grande and Helvetica Neue. Now there's a new favorite: Avenir. It has appeared simultaneously OS X Mountain Lion and iOS 6—which means you will see it featured in the next iPhone. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/TBgPAgjZK5U/this-is-apples-new-favorite-typeface

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Sunday, July 29, 2012

A Guide To Flat Roof Repair

Flat roofs comprise layer of tar and roofing felt. If this felt is broken, the top starts leaking making it quite prominent the damage as leak is directly under the damaged spot. But, sometimes, water enters one spot and travels a ways before expressing itself from some other end. It could be quite definately not the leaking spot hence so that it is challenging to locate.

Initial step for detecting a leaking area is on the internet for around the roof and inspect the cracks or holes, mainly at the seams in the roof or flashing. Water also can seep in through exposed nail heads causing the problems for your house. You can even look for some discoloured spot that indicate the stagnant water and possible a crack or perhaps a hole.

Testing the top for just about any leak need a great deal of patience and time. You need to get a hose up on the top and run it slowly with the drain points. The process must be repeated for the whole roof and once you locate to blame, start your hard work on flat roof repair.

Before starting flat roof repair, clean up the pooled up water if any around leak using rags and then permit the surface to dry. Tidy up any depis or gravel. It?s simple to seek out the cracks or large blisters.

Within the inland northwest things that you will need to mend a flat roof for example utility knife, clean rags, safety goggles, propane torch, trowel, hammer, 6d galvanized roofing nails and asphalt roof cement or compound.

If there are blisters on the top, you can use a sharp knife to slice it open down middle. Penetrate the cut fully within the blistered layer but take care not to cut the sound roofing felt under it. Lift the blister from cut edges and if you have water inside, squeeze out by pressing towards the centre. Take up water using water absorbent rags and brace the edges in order that the layers can dry. Convey a thick later of roof cement on the base edges and press down the sides of blister. Then you definitely have to close the blister permanently using 6d galvanized roofing nails for the sides in the slit. Cover this blister with cement and make sure that all the nail heads happen to be covered properly.

Flat roof repair can be be extremely challenging, particularly if the surface is wet. Homeowners choose to work with a professional who?s expert in roofing repair. You are able to try to find roofing experts of one?s area from the yellow pages. Be sure that the roofing expert you select is properly trained and certified. Make certain you hire an attorney who specializes in flat roof repair for the material that the roof comprises of. Roof can be created up of various materials including wood, tiles, asphalt, slate or engineered rubber/plastic and repair for each of them calls for different techniques. For example, metal roof repair will be different from repairs of other types of roofing materials mentioned previously. Additionally it is important to discover the credentials of the roofer and understand all the fine print of flat roof repair before you sign a contract.

Did you enjoy this post? Why not leave a comment below and continue the conversation, or subscribe to my feed and get articles like this delivered automatically to your feed reader.

Source: http://www.artsadvise.net/a-guide-to-flat-roof-repair/

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Kinds of Unpleasant Critters that Residential Pest Exterminators Can ...











Visualize if the Pied Piper of Hamelin is alive and resides in Fort Worth today. He 'd probably execute his objective of eradicating nasty rodents by passing through the Old Western-inspired Stockyards National Historic District. He'll then head to Forth Worth University Drive from where there's a close-by path that points perfectly toward the Trinity River, the final vision the nasty rodents will ever see in their remaining seconds of life.

However, in the real world, pest control is not usually that easy. Any person recognizes that a pest problem is one of the most difficult issues to face. House parasites like wood-eating termites not only put your home at risk, they are additionally health hazards. If they're not managed immediately, you 'd not only need to confront huge home renovation fees, you will even need to face expensive medical bills.

Some people are inspired by the Do-it-Yourself or DIY approach and might attempt to take out these vermin without professional help. Although there are things you can perform without help to keep pests in control, (like placing mothballs in small entry nooks the rodents might come in) such strategies are simply short-lived solutions. Your ideal solution is, certainly, to enlist the help of pest control companies.

Pest control specialists have an extensive understanding of domestic pests and several years of firsthand experience determining and controlling pest issues. You may have a general understanding of pests that you've gained via online fact-finding, however this does not mean you're trained to perform pest control due to the fact that it's likely to require much more than that. Pest control professionals have both the expertise and firsthand experience to properly implement pest control solutions.

Watching science shows on TV may have made you well-informed on the disease-causing microorganisms rats carry, however only the expert exterminator Fort Worth homeowners counts on recognizes the best dosage to administer to get rid of the rodents without placing your family members' health and wellness at risk. Several exterminators utilize organic pesticides to guarantee wellness and security.

An additional kind of pest Fort Worth house owners should bother with is the wood-eating termite. Termites are nicknamed "silent destroyers" due to the fact that they do precisely that. Fort Worth termite control specialists are experienced when it comes to developing frameworks and are familiar with the crucial spots in your home where these pests live.

Bed bugs could be the fastest to detect in your house due to the fact that they occupy your bed, bringing about continuous itching and skin irritation. Experts in pest control Fort Worth locals can count on definitely know the steps to take in such scenarios and employ the needed pest control methods to get rid of them completely. For much more information, check out socalpestadvice.com/2010/01/04/10-reasons-to-hire-a-professional-pest-control-company-instead-of-diy-pest-control/.

For more details, search, exterminator Fort Worth, Fort Worth termite control and pest control Fort Worth in Google for related information.

Keywords: exterminator fort worth, fort worth termite control, pest control fort worth

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Saturday, July 28, 2012

Twitter bomb joke conviction overturned

23 hrs.

A British man who joked on Twitter that he would blow up an airport after it closed because of snow has had his conviction for sending a "menacing" message overturned in a landmark ruling for users of social media websites.

Paul Chambers, 28, had sent the message in what he called a moment of frustration at not being able to catch a flight from Doncaster Robin Hood airport.

He had later been arrested and sentenced but the High Court on Friday upheld his appeal against conviction.

Speaking outside the court afterwards, Chambers' lawyer John Cooper, who had argued it was wrong to associate the tweet with terrorism, said it was a milestone ruling.

"It's a very big decision both nationally and internationally for hundreds of thousands, if not millions of people who use Facebook and Twitter," he told the BBC.

"It means that if you intend to make a joke and if what you do is a joke, however bad a joke that is, you cannot be prosecuted," he added.

The case revolved around a tweet sent by Chambers to a friend in January 2010, which read: "Crap! Robin Hood Airport is closed. You've got a week and a bit to get your shit together, otherwise I'm blowing the airport sky high!"

Chambers said he sent the tweet to his 600 followers in a moment of frustration and never imagined it would be taken seriously.

"It was surreal. My world became something else," he said when asked how he felt when he was arrested.

Of Friday's ruling he added: "It's an important decision as far as social networks are concerned and as far as Twitter is concerned.

"It has established that there has to be an action that is menacing and is intended to be menacing."

Chambers' case gained the attention and support of thousands of Twitter users and several high-profile British comedians.

In Friday's High Court ruling, three judges headed by the Lord Chief Justice Lord Judge, allowed Chambers' appeal against a Crown Court judge's decision upholding the 2010 conviction.

They said: "If the person or persons who receive or read it, (the message) or may reasonably be expected to receive, or read it, would brush it aside as a silly joke, or a joke in bad taste, or empty bombastic or ridiculous banter, then it would be a contradiction in terms to describe it as a message of a menacing character."

-- reporting by Sophie Kirby

(c) Copyright Thomson Reuters 2012. Check for restrictions at: http://about.reuters.com/fulllegal.asp

Source: http://www.technolog.msnbc.msn.com/technology/technolog/twitter-bomb-joke-conviction-overturned-778148

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Gov't says only 1 in 4 have HIV under control

WASHINGTON (AP) ? New government data shows only a quarter of Americans with the AIDS virus have the infection under control. Young people and blacks are least likely to get effective care.

That's slightly lower than previous estimates, and means more than 800,000 people aren't benefiting from life-saving drugs that also would lower their level of infection.

The Centers for Disease Control and Prevention says that's because nearly 20 percent don't know they're infected, and only two-thirds who are diagnosed are linked to a doctor. It says poverty and lack of insurance are the main barriers.

Just 15 percent of 25- to 34-year-olds have gotten the virus to low levels, less than half the rate of 50-somethings. And 1 in 5 African-Americans had the virus suppressed, compared with 30 percent of whites.

Source: http://news.yahoo.com/govt-says-only-1-4-hiv-under-control-163157324.html

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Commercial property BPOs- Commercial/Industrial Appraisals ...

Ten years ago I was employed at an investment bank engaged in commercial loan portfolio acquisitions, and they ordered BPOs on the commercial properties serving as collateral. I think the going rate was about $300, but we sometimes had to pay $500 in busy metro areas like San Francisco.

The use of BPOs was meant to save time rather than money. In the sale of loan portfolios there is typically a 2-week due diligence period before bids have to be in.
Most appraisers told us they couldn't possibly deliver an estimate of value in less than 2 weeks, so we had to rely on brokers. Some brokers were better than appraisers; others were clueless. It's too bad that the appraisal profession has let this type of business slip into other hands.

Source: http://appraisersforum.com/showthread.php?t=189155

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Friday, July 27, 2012

LIVE: Facebook Earnings - Business Insider

just reported its second quarter earnings.

The company modestly beat Wall Street's expectations, which were unnaturally low, having been spoon-fed by the company during its Q2 IPO process.

"These earnings are meh," one equities analyst just told us over IM.

The stock is down more than 9% in after-hours trading. It's trading below $25 for the first time.

Ad revenues were up 28% year-over-year on a quarterly basis.

That beats Wall Street's gimme estimates of 19%, but it's more worrisome revenue deceleration from a company that has a revenue multiple of 15X.

By comparison, Google's business grew 21% from a much larger base (~$40 billion annual revenues) during the second quarter. Its revenue multiple is only 5X.

It is laughable that people were recently saying this company would be bigger than Google. If it ever does become that big (an increasingly absurd notion) it won't be because of its current ads business, that's for sure.

Facebook's profits are basically flat year-over-year because its operating profit margin has decreased. That's not good news for the stock (this was supposed to be a growth story). The margin is down because Facebook is investing, which is smart, but it's hurting the company's profitability.

Facebook hel a conference call to go through earnings at 5PM EST today. We took notes.

He expects 4 to 5 billion people to have smartphones. Building great services for the devices is important. People are adopting Facebook mobile services. 540 million. 67% more than the 325 million using it a year ago. These people are more active Facebook users. Mobile users are 20% more likely to use Facebook on any given day.?

He says primarily across iOS and Android.?

He talks about Facebook Camera, Instagram, et al.

Going forward, he says, expect improvment.

We can advertising in mobile he said: Sponsored Stories have "grown quickly and demonstrated early success."

We've already scene how social dynamics can transform industries like gaming, and we're seeing this happen in other industries like music.

He says Facebook allows apps to scale and grow quickly through Facebook distribution.

He says, to paraphrase, We can imagine a day where you buy a new car and you connect it with Facebook and it lights up with music and information provided to you by your friends.

He says Facebook's mobile platform is bigger than you think. It's not just games.

The best type of advertising is a message from a friend. The more advertising includes interesting content from people you care about. Advertising on Facebook today is giving a good ROI, but it can be better and more social.?

One important aspect of social ads is that they go to mobile and desktop. Social ads in News Feed are good for ads in mobile.

By the end of June, sponsored stories revenue was $1mm per day in revenue, half coming from mobile.

She says Facebook is word-of-mouth marketing at an unprecedented scale.

We believe we are well-positioned to compete for marketing dollars throughout the marketing tunnel: from demand generation to the demand fullfillment.

Search has been doing most demand fullfillment. Facebook has had some, in gaming mostly.

Demand generation is the big target, though.

How Facebook has improved advertising

1. Rolling out new ad products.

2. Demonstrating ROI.

3. Making it easier for busines to advertise.

She's talking about Sponsored Stories, where an advertiser can highlight something normal users say about their product to that user's friends.

Early results: Sponsored Stories perform multiple times better than ads in the right-hand column. They are the cornerstone of Facebook's ad strategy.

Sponsored Stories work on mobile because they go into the news feed, and Facebook avoids the "where do we put ads on a smaller screen" problem that others face.

There has been strong interest from clients asked if they want to buy sponsored stories just for mobile. Already $1mm day in revenue, with half in mobile.

We're in an early alpha test, but interest is strong. Emarketer estimates its a $2 billion market in the US.

Independent analysis of 60 campaigns, 45 of which happned in 1H, 70% returned on ad spend 3X or better. 45% returned 5X or better.

Electronic Arts advertised Battlefield Earth and got great returns (missed the numbers, sorry).

Barclays Cards targeted NFL credit cards ads to users based on the teams they like. 60% of improved credit card applications from the campaign came from Facebook.

Wooga increased downloads by 26% in US at an attractive cost per app install using Facebook ads.

Facebook is uniquely accessible to local advertisers because they are already setting up personal accounts. 11 mm businesses have pages on FB. 7mm are used every month. Hundreds of thousands of small businesses advertise on FB.?

Last quarter tested making it easier. Page owners can turn a post into an ad with a few clicks.

For the rest of 2012, the focus will be on ramping up sponsored stories in news feed.

18% increase in the numnber of ads delivered, 9% increase in price.

Add impressions growth is slower than user-growth as people go mobile, this is despite more ad units per page on the Web.

Asia and other markets are doing better in terms of pricing. The fast volume growth does reduce worldwide price per ad.

European price per ad decreased due to the macro environment there.

Ebersmann says FB will increase the number of sponsored stories, can target them better, can increase demand by selling them better.

Gaming payments are flat, Ebersmann believes, because gaming in general is growing on mobile where Facebook does not do payments.?

955mm users

552 daily active users

Brazil, India, and Japan were contributors.

58% of users were active contributors.

Strong engagement is the foundation for everything we're trying to accomplish.

Facebook reviewed its geographic measurements. It also refined and improved its measurement of dupe accounts. This lead to an increased number of dupe accounts estimated by the company.

Biggest factor were employee stock compensation.

Headcount increased 50%. FB is hiring in mobile, platform and monetization.

In 2H, expenses should increase significantly over last year, higher than the ?rate in Q2. At this early stage, investment is a priority, not margins.

Sheryl's answer: FBX's goal is to show more relevant ads. We're at a very early alpha stage test. We're really encouraged by how interested our advertisers are.

On Yahoo deal: There is a cross-license. Also will work with Yahoo on tentpole events. She congratulations Marissa Mayer, the new CEO of Yahoo.

Mark answers.

Steady growth in engagement among all the cohorts, including younger ones.

We've always been signifcantly smaller per employee compared with the number of people we serve in the world. Says people love working at Facebook because of that. It's also part of strategy, he says. He says Facebook builds the platform, not the apps because of its limited human resources. "Over time it might make sense for us to build some of these things ourselves."

For the foreseeable future we're going to be way smaller than comparable companies.

Mark answers.

Facebook is the most used app on every mobile platform. He says, we want to increase the depth of the experience in addition to just growing users. We want to not just have apps that people use, but we want to support a development ecosystem. That's why we did the iOS integegration?there is a lot we can do "Without building out a new phone which wouldn't make much sense for us to do."

Ebersmann answers.

We have a limited amount of volume. We're working with advertisers to increase demand. We're creating better types of content that advertisers can sponsor to make it a good experience for consumers.

Sandberg answers.

Fewer than half. Working to increase that. Better engagement. Sponsored Stories will help.

Sheryl answers.

We're also seeing good results from other ads that have social context. FBX is early, but we show promising results for advertiers. We're also optimistic about early testing around mobile. What people do there is look at their News Feed and share. Ads in News Feed therefore make sense on mobile. Advertisers get a high ROI.

Ebersmann takes second question.

We made some changes to background pinging. When phones contact our services without a user being on the other end, we don't count that as usage. That had some impact. There are some drops due to holidays.

Mark answers.

The acquisition hasn't closed so there has been no integration.

"Our strategy has been to buy companies for talent." Excluding Instagram, that is must of our acquisitions and it will be going forward.

Ebersmann takes the second question.

When we look at 2H this year, we will make optimizations: drive demand, better targeting, etc. The big priority and oppty is Sponsored Stories. It's difficult to forecast what that will look like. We didn't ramp up Sponsored Stories until June. We feel like we're a in a good position. The forecasting is difficult because we're going to proceed slowly. We don't want to move quickly because we don't want to hurt user-engagement. We will learn what kind of speed of ramp up works for us.

Sheryl answers.

Looking at user-reaction.

Limiting the number we roll out. We intend to be cautious as we work on user-perception. Have not rolled out across all counties.

Sheryl answers the second question.

More than 40% of local business have no Web presence at all. Facebook has a huge advantage because those local business owners are using Facebook as users. When they use the product they see messages from other business. The product that we want them to use, Pages, is a lot like their own user profile. The leap is smaller.

Mark answers.

The basic approach we have for now is that we are building out the platform and other companies are building on top of that. You can view this is an ads and payments business, or you can view us as a platform that will transform industries and get some portion of the value for that. The media companies that are building on Open Graph, we aren't contributing as much value as we did with games, so the value coming back to Facebook is less. Over time, more nuanced experiences will become social. We'll build out the tools to get those products built and we'll build to capture the value.

Sheryl offers an answer too.

The commerce companies that really adapting social are seeing great responses. Fab is one. It's seeing 20% to 40% of its traffic from Facebook on a daily basis. We look at what people's shopping behavoirs are and want to be a major part of how people discover products.

Sheryl answers.?

We're still in that learning curve that took TV and search so long. The good news is that our ROI results are strong ? 3X and 5X. They are truly good. Our view is that our ads work, and if they continue to work we will be able to educate the market over time. We're on a good part of our growth trajectory.

Second question: no.

Ebersmaman answers last question. Obviously we're disappointed in where the stock is trading, but we think we are the same company we were before and that we'll be there in the long term.

Mark answers.

We have robust systems built around metrics in the News Feed. What we've seen is we can put in good sponsored content and not have it degrade those metrics. We're rolling out Sponsored Stories conservatively because we want to keep the quality high.

Sheryl answers.

We're optimistic. We want to make everyting people do social. We focus on how many developers are using our tool, how many of those apps are growing quickly, and how many are using ads. We're going to provide the ID and social layer for everything across Web and social layer. If you're choosing to develop a service, you'd choose to do it with us. We consider ourselves a partner company. We want to take social companies and make them big, and take big companies and make them social.

Source: http://www.businessinsider.com/facebook-earnings-2012-7

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How Time Management Games Can Help You Improve Your Life

How Time Management Games Can Help You Improve Your Life

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Source: http://jaucoandassociates.com/7288/how-time-management-games-can-help-you-improve-your-life/

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Early HIV Treatment Might Save Livelihoods as Well as Lives

News | Health

People who manage their HIV infections from an early stage are able to work more and keep their kids in school


Fewer sick days: People with higher CD4 counts worked several more days each month than those with more advanced HIV infections. Image: iStockphoto/SimplyCreativePhotography

Showcasing more than fifty of the most provocative, original, and significant online essays from 2011, The Best Science Writing Online 2012 will change the way...

Read More??

People can work more when their ailments are treated. And HIV is no exception. Adults who tested positive for HIV in Uganda but had a less severe infection were able to work more hours per week, and their kids were more likely to be in school, according to findings presented July 26 at the 2012 International AIDS Conference in Washington, D.C.

If this correlation holds up in further research, more widespread testing and earlier treatment could mean greater earning potential for individuals?and, especially for some countries in Africa where HIV infection rates top 15 percent of the adult population, a better economic outlook for entire regions.

Earlier research suggested that people who take antiretroviral therapy (ART) to manage their HIV feel better and are able to work more. But Harsha Thirumurthy, a health economist at University of North Carolina at Chapel Hill's Gillings School of Global Public Health, wanted to know more specifically if an individual's CD4 (helper T immune cell) counts correlate with how much that person is able to work. If people miss a lot more work not just when they have full-blown AIDS, but even when their counts are only moderately low, it would be more reason to test people more widely?and start them on medication sooner.

Thirumurthy's group launched a weeklong public health campaign in a rural Uganda town of about 3,000 people. Most residents worked on farms. The labor is physically demanding, and illness often prevents a farmer from tending the fields. Not only does that directly impact a family's livelihood, it has an effect on children. When adults are not healthy enough to work, they often recruit any household children between the ages of 12 and 18, who then miss school.

Of the people who were tested, about 7.8 percent were HIV positive, and their CD4 status had a surprisingly large impact on how much they were able to work. Uninfected adults typically have CD4 counts from 500 to more than 1,000 (per cubic millimeter). This number falls during an HIV infection; the lower the value, generally, the worse a person's health. HIV-positive adults in the study with CD4 counts below 350 (the threshold for receiving antiviral treatment in Uganda), had "a big drop off" in hours worked each week, Thirumurthy says. Those who had CD4 counts below 200 worked, on average, 5.8 fewer days a month?the equivalent of more than a full workweek?than those with CD4 counts above 500. "The difference between those with high and low counts is bigger than we thought," Thirumurthy says.

Teenage children living in households where an adult had a CD4 count below 350 were 15 percent less likely to go to school. Missing these crucial years of education could lead, in turn, to reduced earning potential for them in the future. The research was funded by the National Institute of Allergy and Infectious Diseases (at the National Institutes of Health) and was part of the larger Sustainable East Africa Research on Community Health (SEARCH) Collaboration.

The study did not ascertain exactly why some people were less able to work, but the most likely culprits are other infections that sicken those with HIV-weakened immune systems more easily. Other factors might include mental and emotional strain and general malaise.

Other studies also have found that ARTs can improve a person's ability to make a living. Earlier this month, Sydney Rosen of Boston University's School of Public Health and her colleagues presented their research on how people on ARTs in South Africa seem to be doing both physically and economically over time. After five years of therapy, the proportion employed increased from 39 percent to 56 percent (compared to three months before starting therapy). The proportion who reported that their illness impaired their daily activities decreased from 42 percent to 4 percent.

Source: http://rss.sciam.com/click.phdo?i=e36026a1403a2ca1112a7e5672997e9a

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Thursday, July 26, 2012

Commodity Investing: How To Trade Crude Oil Futures - eWallstreeter

Sorry, Readability was unable to parse this page for content.

Source: http://ewallstreeter.com/commodity-investing-how-to-trade-crude-oil-futures-uco-uso-sco-bno-5987/

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UNESCO team: Your Health and Fitness Plan:

Health and fitness plans have several components. Include them all and you're in the best possible position to succeed. Forget one of them, and you may have set yourself up for failure.

One of these elements stands out as much more vital to your success than any of the others. In fact, if you want to carry out your plan successfully and reach your health and fitness goals, be sure to include this essential ingredient.

Am I talking about nutrition? An aerobic component? Perhaps stretching? Resistance training? Or even rest? No, no, no, no and no!

What is it then? Quite simply, it's the one essential component that's so crucial, that without it, you're much more likely to face frustration, even failure.

This is the emotional element. Why is this so vital? Quite simply, because your emotional state has far more to do with your success in sticking with your health and fitness plan than any other factor!

You are going to have times when you're not very motivated, or you are distracted, or some stressor knocks you off course. These circumstances are absolutely normal; everyone faces them.

What makes the difference between people who fall down, or fall off their plan, and those who get up again and keep on trucking, is that one simple thing, again, the emotional element.

So whether the occasion for your new health and fitness plan is a new year, a new season, a new job, a new relationship, make this component a central part of your health and fitness plan - right up there with the nutrition, the aerobic aspect, stretching, supplementation, resistance training and rest.

What will you do when you're facing the inevitable emotional challenges that will arise? Go back to your old habits? Or get the emotional support you need and move on toward your goals? Write that in to your plan now.

Including that emotional ingredient will no doubt name names - the people you will call on to help you get back on track.

Well, you may say, I can't afford a personal trainer. Or, my spouse doesn't really know how to support me in this. Or, it's after the gym is closed and my friends are asleep that I need support the most.

For More Information Click Here

?

Source White Market

Source: http://unescocentre.blogspot.com/2012/07/your-health-and-fitness-plan.html

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Choosing the Cosmetic Surgery That Is Right for - Beauty, Health ...

Cosmetic surgery is one of the most popular forms of surgical procedures known to man.? In the past decade or more, both men and women have found a sense of peace and solace enhancing their outer beauty with the aid of cosmetic surgery. Learning what cosmetic surgery cost plays a major role in its overall success because knowing what the various surgeries, such as liposuction cost, will help you choose the right cosmetic surgeon and leave you with no regrets.? When thinking about cosmetic surgery, you need to also keep in mind that there are different forms of cosmetic procedures and knowing the one you want will make the process and the original consultation easier and faster. ?

So, what exactly are the different types of cosmetic surgery procedures available to you?

Do you have a flaw? Something you want to correct on your body, something you want to make perfect?? If that is the case, you need to look into cosmetic surgery and what they cost.? Yeah, I know it sounds a lot like a commercial but the truth is you just may be thinking to do liposuction and have your tummy tucked.? These two are synonymous and they often go hand in hand so, if you are thinking about liposuction cost, you will also need to factor in what tummy tuck cost as well.? It makes no sense you get a liposuction without a tummy tuck because the tummy tuck will accentuate the liposuction.

Zostaw komentarz

Source: http://www.akcesoria-kosmetyczne.pl/cosmetics/choosing-the-cosmetic-surgery-that-is-right-for-you/

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Adapter Lets Canon EF Lenses Play Nice with Micro Four Thirds [Photography]

If you're not blown away by the selection of lenses available for your Sony NEX or other Micro Four Thirds mirrorless camera, Kipon has just announced its own adapter that lets photographers use older Canon EF mount lenses, complete with electronic aperture control. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/_f9FxA0bHEQ/adapter-lets-canon-ef-lenses-play-nice-with-micro-four-thirds

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Caterpillar raises 2012 profit forecast, says economy improving

(Reuters) - Caterpillar Inc , the world's largest maker of construction equipment, raised its 2012 profit forecast on Wednesday and said that despite pockets of weakness, the global economy was improving.

The strong outlook came after Caterpillar posted a quarterly profit that easily beat Wall Street's expectations, sending the company's stock up 4 percent.

Fiscal improvement is still needed in Asia, Latin America and North America, but steps toward a healthier global economy have already begun, Caterpillar Chief Executive Officer Doug Oberhelman said.

"While we're expecting a record year in 2012, we understand the world is facing economic challenges, and if it becomes necessary, we are prepared to act quickly," Oberhelman said in a statement. "The good news is, this doesn't feel like 2008."

The company reported a second-quarter profit of $1.67 billion, or $2.54 per share, compared with $1.02 billion, or $1.52 per share, a year earlier.

Analysts on average expected earnings of $2.28 per share, according to Thomson Reuters I/B/E/S.

Revenue rose 21 percent to $17.37 billion. Analysts expected $17.11 billion.

The company now expects to earn $9.60 per share in 2012, up from a previous forecast of $9.50.

For the year, analysts expect a profit of $9.54 per share.

Shares of Caterpillar rose 4 percent to $84.65 in premarket trading.

(Reporting by Ernest Scheyder in New York; Editing by Lisa Von Ahn)

Source: http://news.yahoo.com/caterpillar-quarterly-profit-jumps-67-percent-114301617--sector.html

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Wednesday, July 25, 2012

Spider-Man adventure similar to actual science

ScienceDaily (July 24, 2012) ? In Spider-Man's latest adventure, scientists delve into the field of regenerative medicine as they work to re-grow a human limb. Koudy Williams, D.V.M., a self-described "Spider-Man geek" and real-life regenerative medicine researcher, says the plot of the latest comic book and movie isn't as far-fetched as some people might think.

"We're working on long-term projects to regenerate fingers and limbs," says Williams, a professor at Wake Forest Baptist Medical Center's Institute for Regenerative Medicine. "But we have safer ways to do it than the researchers in Spider-Man."

Several of the science themes in Spider-Man's latest adventure -- from working to harness the body's natural regenerative powers to making use of natural materials such as the silk in spiderwebs -- are happening today in regenerative medicine laboratories, Williams said. Regenerative medicine is a relatively new field of science that works to replace or repair damaged or diseased tissues and organs.

In the latest adventure, a scientist attempts to re-grow his missing arm by combining human genes and genes from a salamander, which has a natural ability to re-grow its limbs. When the experiment goes awry, the scientist becomes a lizard villain.

"When I was watching the movie, I said to myself, 'We do that -- sort of,'" said Williams. "We do study the regenerative abilities of salamanders and other animals and we try to harness the body's innate ability to regenerate itself. But we would never combine human and animal genes -- we have much safer methods."

Williams said real-life researchers take three approaches in their efforts to repair and replace organs. One is to build, or engineer, replacement organs in the lab using a patient's own cells and an organ-shaped mold or scaffold to support cells as they grow. Bladders, urine tubes and sections of windpipes have all been built in this way and implanted in humans. A second method is to inject healing cells into a diseased organ. The third approach -- most like the science portrayed in Spider-Man -- is to use drug-like molecules to promote healing from within.

"The body has the capacity to heal naturally," says Williams. "When there's an injury, cells release substances known as chemokines that attract other cells to promote healing. That's how a broken bone repairs itself and the outer layer of the eye re-grows if it is scratched. In regenerative medicine, our aim is to boost this natural healing power.

"The body knows what it needs to heal. We work to see if we can improve on it. This is most like what scientists in the Spider-Man movie were doing. Our projects include evaluating the use of natural materials to speed up nerve regeneration, heal diseased kidneys and improve one of the current options for heart valve replacement."

Just like in the Spider-Man comic book and movie, researchers at the Wake Forest Institute for Regenerative Medicine and colleagues at other institutions have a long-term project to re-grow fingers and limbs to help wounded military personnel. "We're years away from being able to bioengineer an arm, or even a finger," Williams said. "But we're working on the component parts, including muscle, bone, fat, skin and tendons, and part of our work will be to use the body for the regeneration process."

Williams calls Spider-Man a "science genius" for determining the best substance for the web-like substance he shoots out from a device he made. "He figured out something that would carry his weight and be elastic so he could swing from rooftop to rooftop."

In the lab, scientists use natural materials such as silk -- found in spiderwebs -- as scaffolds for organs and tissues that they are engineering. Like Spider-Man, they must select materials that match their use -- looking for materials that are compatible with the body, promote cell growth and degrade into the body once the engineered tissue has integrated with existing tissue.

Also similar to Spider-Man, Wake Forest Baptist scientists developed a device that shoots out a spider-web-looking material. In this case, the material is caught on a spinning rod to create a tubular structure that can be used to engineer blood vessels.

Williams, who owned the first Spider-Man comic book -- and wishes he still had it -- said he got interested in science through Spider-Man, a super-hero who wins awards for his research. When Williams had difficulties with reading in grade school, his teacher encouraged his parents to let him read anything he wanted. He chose comic books and Spider-Man was the first one he bought.

"As a child, I always wanted to be Spider-Man. But now I have the next-best thing. I'm a researcher who uses some of the same technology as Spider-Man."

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Story Source:

The above story is reprinted from materials provided by Wake Forest Baptist Medical Center.

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


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/~3/7MXQJC9JPKs/120724171229.htm

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AP Exclusive: Webcams make Alaska bears accessible

In this photo taken July 17, 2012 and provided by explore.org, a brown bear catches a salmon at Brooks Falls, Katmai National Park in Alaska. A new video initiative will bring the famed brown bears of the park directly to your computer or smartphone. In a partnership with explore.org, a live webstream will be unveiled Tuesday that will allow the public to log on and see the brown bears in their natural habitat, including views of the bears catching salmon at Brooks Falls. (AP Photo/explore.org, Tahitia Hicks)

In this photo taken July 17, 2012 and provided by explore.org, a brown bear catches a salmon at Brooks Falls, Katmai National Park in Alaska. A new video initiative will bring the famed brown bears of the park directly to your computer or smartphone. In a partnership with explore.org, a live webstream will be unveiled Tuesday that will allow the public to log on and see the brown bears in their natural habitat, including views of the bears catching salmon at Brooks Falls. (AP Photo/explore.org, Tahitia Hicks)

In this photo taken July 17, 2012 and provided by explore.org, brown bears are shown catching salmon at Brooks Falls, Katmai National Park in Alaska. A new video initiative will bring the famed brown bears of the park directly to your computer or smartphone. In a partnership with explore.org, a live webstream will be unveiled Tuesday that will allow the public to log on and see the brown bears in their natural habitat, including views of the bears catching salmon at Brooks Falls. (AP Photo/explore.org, Tahitia Hicks)

In this photo taken July 17, 2012 and provided by explore.org, brown bears are shown catching salmon at Brooks Falls, Katmai National Park in Alaska. A new video initiative will bring the famed brown bears of the park directly to your computer or smartphone. In a partnership with explore.org, a live webstream will be unveiled Tuesday that will allow the public to log on and see the brown bears in their natural habitat, including views of the bears catching salmon at Brooks Falls. (AP Photo/explore.org, Tahitia Hicks)

(AP) ? A new video initiative is bringing the famed brown bears of Alaska's Katmai National Park directly to your computer or smartphone.

Without having to go there, you'll be able to watch mature bears compete for salmon at Brook Falls and other sites and cubs tumbling over each other as they play. Starting Tuesday, a live Web stream (http://is.gd/bfPAs8 ) will allow the public to see the brown bears in their natural habitat.

"I think it's an unparalleled opportunity for people to get that front row seat of the lives of the bears at Brooks Camp," said Roy Wood, chief of interpretation for Katmai National Park and Preserve.

The project is a partnership with explore.org, which set up four high-definition cameras in Katmai, spokesman Jason Damata told The Associated Press. Three of them are at existing viewing stands where bear fans come to watch the animals.

The cameras provide access to a national park that is difficult to reach and expensive for most tourists. It is about 275 miles southwest of Anchorage, but no roads lead to Katmai. A trip there involves multiple airplanes and a lot of advanced planning: it's hard to get a lodge reservation at Brooks Camp before 2014. Camping is allowed, but on a reservation system that goes online Jan. 5.

"It takes a lot of time, a lot of effort and a lot of money, and the webcams will make it accessible to anyone with access to a computer, a smartphone, a tablet device," Wood said.

The park draws just under 10,000 visitors a year, but about 2,200 bears live in Katmai National Park. About 100 of them are in the Brooks Camp area.

One camera is at Brooks Falls, where the bigger male bears compete for salmon, some while the fish are trying to jump the falls. The bears eat mostly the brains and eggs of these fish and let the carcasses flow downstream. This is the prime viewing area now.

The second camera is about 150 yards away, where females and cubs eat the fish scraps floating downstream. The third is at the lower falls, where bears will congregate later this summer when dead salmon float downstream after spawning. "Any bear can catch them when they're dead," Wood said.

The fourth is on Dumpling Mountain and provides an aerial view of the entire ecosystem, including Brooks Lake, Naknek Lake, Brooks River and falls, and in the distance the Valley of 10,000 Smokes, Damata said.

"The placement of the cams is fantastic," Wood said. "I mean, they'll be close enough, many of the bears you'll be able to identity and follow the individual bears as they use the salmon at Brooks Falls and raise their young here."

The cameras are powered by solar and wind energy. Microwave signals are sent to the Dumpling Mountain camera, which are then sent to King Salmon, Alaska, where a T1 connection allows for the high-definition cameras to be broadcast to the Internet. The best action of the four cameras will be broadcast.

They are the latest addition to a list of live-streaming webcams in the Pearls of the Planet initiative for explore.org, underwritten by the Annenberg Foundation.

The subjects of other webcams include osprey off the coast of Maine, and polar bears in the Arctic and Scandinavia; locations such as the California redwood trees and in institutions like the Vancouver Aquarium, where cameras are directed on belugas and jelly fish. A camera in Brookeville, Md., is focused on a golden retriever and her new litter. The pups will be raised and trained to be service dogs for military members suffering from post-traumatic stress disorder.

"The mission is simple. We simply want people to fall in love with the world again," said Charles Annenberg, creator of explore.org and vice president of the Annenberg Foundation.

A previous attempt to set up live bear cams from Katmai with a museum in Homer, Alaska, failed due to lack of funding.

"It's very expensive to run streaming video, more expensive than we could handle with our partnership with the Pratt Museum because both of us don't have a good revenue stream," Wood said.

He said it was a "great, fortunate day for us that explore.org called and said they were interested."

Annenberg, who also goes by the name Charles Annenberg Weingarten, said the intent of the bear cam and others provided by the organization is to make adults fall in love with the world again.

"I think when you watch these brown bears, and the salmon going upstream and you see the beauty of this nature, I think it's going to put a smile on your face and a sense of bewilderment and awe you felt a long time ago when we were all kids," he said.

He said when people view the live stream, he hopes they realize what they are seeing is pure ? there's no ulterior motive other than an experience to reconnect with nature.

The cost of the project wasn't disclosed, but explore.org will absorb the full costs. No advertising will be sold.

___

Online:

Bear cam: http://explore.org/#!/live-cams/player/brown-bear-salmon-cam-brooks-falls

Explore: http://www.explore.org

Katmai National Park and Preserve: http://www.nps.gov/katm/index.htm

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/495d344a0d10421e9baa8ee77029cfbd/Article_2012-07-24-Bear%20Cam/id-7553e2192b994ad18642c8fed0982fa6

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Monday, July 23, 2012

Assad receives new army chief: state TV

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Source: http://news.yahoo.com/assad-receives-army-chief-state-tv-144233897.html

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