Mavericks Preview: Safari

OS X Mavericks doesn't just bring core improvements like Finder Tabs, better battery life and more efficient processor use; a new version of Safari is in the works that will make your Web browsing faster and more social.

While it's great to have a boatload of improvements in the operating system, few of us would be able to use OS X Mavericks for too long without having to surf the Web for something. So it's good news that Apple is improving Safari for Mavericks as well. Many of the enhancements are under the hood tweaks aimed at improving performance, but there are some new features to talk about as well.

The pseudo-3D gallery interface for Top Sites is gone in the new Safari, replaced with a flatter look that complements Apple's new flat design philosophy. There are some functional changes, as well - you can add sites from your bookmarks, and you can rearrange top sites by clicking and dragging thumbnails around.

A new plus button has been added to Safari's toolbar, which provides one-click bookmarking. And a new Sidebar interface consolidates bookmarks and your reading list, making it easier to locate links you'd like to follow. Web pages you've marked to visit in your reading list will now scroll consecutively, so as you finish one web page, another one will load automatically.

A third tab is added to the new Sidebar called Shared Links, and that provides a social component that's new to Safari: links shared by people you follow on Twitter and LinkedIn. You can also retweet links you're visiting directly in Safari.

Here's what Apple has to say about Safari's interface improvements in Mavericks:

Safari in OS X Mavericks delivers blazing performance and introduces breakthrough technologies. Innovative features make it simple to return to sites you visit often ? and discover new sites as well. Shared Links in the new Sidebar shows links posted by people you follow on Twitter and LinkedIn, so you can keep up with the latest interesting content.

Performance and efficiency improvements are also key to Mavericks' new version of Safari. Apple says that JavaScript execution is 1.44 times faster than Chrome, beating Firefox as well (at least according to the SunSpider JavaScript benchmark), while JSBench suite testing shows Safari as 3.8 times faster than Firefox, handily beating out Chrome as well.

Apple's tests also show that Safari is more memory-efficient than Firefox and Chrome, while - thanks in part to Mavericks' core improvements, as well, CPU efficiency in Safari is almost three times better than Firefox, and leaps better than Chrome too.

Have you ever heard your Mac's fans spin up when you load a processor-hungry Web page but send it to the background? That problem should be solved when Safari for Mavericks makes its debut - it takes advantage of Mavericks' new App Nap function, which tells the CPU not to waste cycles on Web pages that aren't front and center. That should improve battery life on laptops.

Safari for Mavericks isn't radically different than Safari under Mountain Lion, but it doesn't have to be - Apple's already got a class-leading Web browser, and it's making some gentle interface tweaks that should improve the experience across the board. But as with a lot of Mavericks' other enhancements, the real improvements to Safari are under the hood, providing better efficiency and improved performance for all.

Are you looking forward most to performance and efficiency improvements in Safari, or are the new features like the Sidebar and one-click bookmarks more important? And do you think that adding a social component via Shared Links is a good idea, or have you had enough of social networking? Let me know what you think in the comments.

• Safari: Everything you need to know
• OS X Mavericks: Everything you need to know
• OS X Mavericks: Discussion forum

Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/5U1PuR39ZDg/story01.htm

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Egypt must engage in 'serious national dialogue', U.N. says

GENEVA (Reuters) - The U.N. human rights office called on President Mohamed Mursi on Tuesday to listen to the demands of the Egyptian people and engage in a "serious national dialogue" to defuse the political crisis.

Rupert Colville, spokesman of U.N. High Commissioner for Human Rights Navi Pillay, also said the role of the military, which gave Mursi a 48-hour ultimatum on Monday to resolve the impasse after mass anti-government protests, was crucial.

"We call on the president of Egypt to listen to the demands and wishes of the Egyptian people expressed during these huge protests over the past few days, and to address key issues raised by the opposition and by civil society in recent months," he told a news briefing in Geneva.

"We urge all political parties and social groups in Egypt to urgently engage in a serious national dialogue in order to find a solution to the political crisis and prevent an escalation of violence."

Asked about the role of the military, Colville said: "We're talking hopefully about a newly developing democracy in Egypt, so obviously what the military does or doesn't do is crucial. Nothing should be done that would undermine democratic processes in the country."

Mursi has rebuffed the army ultimatum to force a resolution, saying on Tuesday he had not been consulted and would pursue his own plans for national reconciliation.

"Egypt's democracy is obviously very fragile and nobody wants to see it collapse or fall apart in some way," Colville told Reuters Television.

(Reporting by Stephanie Nebehay and Vincent Fribault; Editing by Alison Williams)

Source: http://news.yahoo.com/egypt-must-engage-serious-national-dialogue-u-n-092550059.html

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Left 4 Dead 2 mutates past Linux beta, adds more mod tools

Left 4 Dead 2 is the latest game in Valve's catalog to clamber out of the Steam for Linux beta. Unlike last week's Half-Life 2 news however, the extra something coming along for the ride isn't VR headset support -- it's a powerful suite of customization tools. The Extended Mutation System (EMS) gives the already robust modding community additional options for crafting one-off episodes and game type variants. For a glimpse of what EMS enables, play a round of "Holdout." This new multi-map mode introduces buildable items and the concept of resources to the co-op zombie-slaying calamity. What's more, Valve said it will add the most popular EMS creations to the official servers. Maybe with this, the world can finally witness our vision of the zombie apocalypse. Yeah, it involves marmosets.

Filed under: Gaming

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Via: Left 4 Dead Blog

Source: Steam

Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/uYorGHR1IFk/

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A tick's spit leads to an entire lesson in blood clotting

July 1, 2013 ? There really is such a thing as tick spit -- that is, the saliva of a tick. And there's something about it that might help fight heart disease and stroke.

The link comes from a protein found in the spit of ixodes (ik-SO-deez) ticks, which are also known as blacklegged ticks, or deer ticks.

These kinds of ticks tear their way into skin and feed on their host's blood for several days. They damage small blood vessels, which would normally trigger the body to start a process called coagulation -- or blood clotting.

Clotting is important because it stops bleeding. But it also can play a role in heart attacks and strokes.

That leads back to the ticks, and their spitting.

These ticks spit where they bite their host. In doing so, they project a protein that blocks the body's natural clotting process; it happens similar to the way blood thinners -- or "anticoagulants" -- work.

The new thing researchers have learned is that the two clotting factors, called factor X and factor V, that get blocked by the tick spit end up working together and activating a third clotting element, so the clotting eventually happens.

Scientists already knew which coagulation factors are able to activate Factor V but they didn't know that factor X was extremely important in this process.

Thanks to these ticks -- and their spit -- we have a better understanding of the clotting process.

The result is a new model for blood coagulation, which is an important discovery for our understanding of how clots are formed, why certain anti-clotting drugs help and how new drugs could be developed.

Imagine all that information from those little ticks, and their spit.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/heart_disease/~3/7b7ZULuhFvM/130701163845.htm

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Debt crisis shrinks international use of euro

FRANKFURT, Germany (AP) ? International use of the euro slipped last year because of the debt crisis in Europe, while the U.S. dollar held its own as the world's leading currency for reserves held by central banks.

Currencies not traditionally used as reserves, such as the Canadian and Australian dollars, gained in favor as those countries enjoyed steady growth and lower debt than major economies.

The European Central bank said Tuesday that the euro's share among the currency reserves held globally by central banks fell to 23.9 percent in 2012 from 25.1 percent the previous year. The dollar's share was little changed at 61.9 percent.

The ECB said the financial crisis that has afflicted the 17-country eurozone was a factor discouraging use of the euro for reserves, which are often held in the form of government bonds. Lending across borders in the eurozone has dropped, diminishing the liquidity that reserve holders like to see. Lower liquidity means there are fewer buyers and sellers readily found.

The eurozone countries have struggled with heavy levels of public debt ? Greece, Portugal, Ireland and Cyprus have needed financial rescue. Even larger economies like Spain and Italy have worryingly high debt. Concern over that debt eased only after the European Central Bank came up with a plan to buy the government bonds issued by countries that promise to reform.

In its annual report on international use of the euro, the ECB also found that there was less borrowing in euros internationally by companies because they could get lower interest rates by selling bonds denominated in U.S. dollars.

Countries hold reserves of foreign currency to help backstop their own currencies' value in case of a financial crisis and for trade purposes. The country issuing the reserve currency can benefit because demand from abroad supports its exchange rate and can mean lower borrowing costs for the government, as has been the case with the U.S. dollar in its role as the leading reserve currency.

Demand for dollars in the form of U.S. Treasury bonds by other countries ? such as China ? helps keep down the interest rate that the U.S. government pays to borrow. Money that is not spent on interest can be spent on other things, or saved.

A key finding of the report was that non-traditional reserve currencies such as the Canadian dollar and the Australian dollar are in greater demand because of their growing economies and better public finances. There have been concerns about government debt not only in Europe but also in the countries that issue the world's other traditional reserves: the U.S., Japan and Britain.

The category of "other" currencies saw its share of officially disclosed reserves increase from 5.7 percent to 6.1 percent, ahead of both the yen at 3.9 percent and the pound sterling at 4.0 percent. The ECB said that category's share is the highest since the early 1970s, when the earlier international currency system set up at the Bretton Woods conference in 1944 collapsed.

The ECB said, however, that the use of such non-traditional currencies might slow if major economies start reducing debt and deficits. Such currencies are also of limited use, the ECB said, because they are less liquid ? there are fewer debt securities and other ways of holding them available, meaning finding a seller or a buyer can be harder.

The ECB said the Chinese currency, the renminbi, had shown impressive gains in foreign trade, with the share of trade in goods settled in renminbi rising from near zero to almost 10 percent in 2012. The ECB said its widespread use as a reserve currency was hindered by China's lack of fully developed financial markets and by its investment and foreign exchange controls.

Source: http://news.yahoo.com/debt-crisis-shrinks-international-euro-143553523.html

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Strong ARM Tactics

The ARM 1 CPU in an Acorn ARM Evaluation System

Courtesy of Flibble/Wikimedia Commons

Never trust gadget-makers? claims about battery life. They usually employ weasel words (a machine that alleges to last ?up to? six hours between recharges is technically delivering if it runs out of juice in 45 minutes). And they?re racked with fine-print caveats (the battery can last all week if you dim the display to the point of illegibility). That said, you can relax your skepticism just a bit for the new crop of notebook computers coming out this year. Apple?s new 13-inch MacBook Air promises 12 hours between charges?well, ?up to? 12 hours, but based on many reviewers? tests, including my own, it handily manages a full day without a plug. Lots of new Windows-based laptops are offering similarly amazing stats, and I bet many will meet their claims, too. All of a sudden, your days of fighting fellow caf? patrons for the last available outlet are over.

Why are laptops batteries getting so much better? The nominal reason is the new Intel processor Haswell?the dramatic result of Intel?s yearslong effort to alter its core assumptions about the future of technology. For much of its life, Intel optimized its processors for speed?every year, the chip giant released new ones that were the fastest ever, because it guessed that computers could never get too powerful. For three decades, that bet was correct. Every time Intel?s chips got faster, software makers came up with new uses for them: better games, audio and video editing, faster Web servers. It seemed likely that our thirst for computing power would never be quenched.

But over the past few years, Intel?s assumptions began to unravel. As computers got fast enough for most ordinary uses, speed was no longer a draw?if all you wanted to do was check your email and surf the Web, why would you buy a monster PC? Instead of faster computers, the world began fixating on cameras, music players, smartphones, tablets, e-readers, and tiny wearable machines. These devices weren?t computationally powerful, but they were small, light, thin, and offered great battery life. Intel?s fast, battery-hogging chips just couldn?t work in them.

Instead, almost out of the blue, a rival chipmaker came along to fill the void. It wasn?t Apple, Google, Samsung, or any other familiar tech giant. It was ARM, a small British firm that is the most important tech company you?ve probably never heard of. ARM?s chips sit at the heart of almost every tech innovation in the past decade, from the digital camera to the iPod to the iPad to the Kindle to every smartphone worthy of the name. And it?s only due to competition with ARM that Intel created Haswell. When your laptop goes a full day without a charge, you can thank ARM.

If you?ve never heard of ARM, it?s partly because of its stealthiness: None of the products that use ARM?s technology are stamped with its brand. What?s more, compared to the biggest names in tech, ARM is almost comically tiny. In 2012, Intel and Google each made $11 billion in profit. Microsoft made $17 billion, Samsung? made $21 billion, and Apple made $41 billion. ARM? In 2012, it made $400 million?less than 1 percent of Apple?s take. (The name, by the way, is pronounced ?arm,? not ?A-R-M.? The acronym once stood for Advanced RISC Machines?RISC being an acronym for a certain chip-design philosophy?but in 1998, the company decided to drop the double acronym. Now, like KFC, ARM officially stands for nothing.)

Despite its Lilliputian scale, ARM?s processors are in everything. The company claims a 90 percent market share in mobile devices. Ninty percent! You almost certainly own at least one ARM-powered thing, and probably closer to a dozen. There?s an ARM in your phone, your tablet, your car, your camera, your printer, your TV, and your cable box. In 2012, manufacturers shipped 9 billion ARM-powered devices; by 2017, the company predicts that number will rise to 41 billion every year.

Source: http://www.slate.com/articles/technology/technology/2013/07/macbook_air_battery_life_more_power_thanks_to_the_most_important_tech_company.html

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Is that bacteria dead yet? Nano and laser technology packed into small device tests antibiotic treatment in minutes

June 30, 2013 ? Researchers at EPFL have built a matchbox-sized device that can test for the presence of bacteria in a couple of minutes, instead of up to several weeks. A nano-lever vibrates in the presence of bacterial activity, while a laser reads the vibration and translates it into an electrical signal that can be easily read -- the absence of a signal signifies the absence of bacteria. Thanks to this method, it is quick and easy to determine if a bacteria has been effectively treated by an antibiotic, a crucial medical tool especially for resistant strains. Easily used in clinics, it could also prove useful for testing chemotherapy treatment.

The research is published in the latest issue of Nature Nanotechnology.

"This method is fast and accurate. And it can be a precious tool for both doctors looking for the right dosage of antibiotics and for researchers to determine which treatments are the most effective," explains Giovanni Dietler.

Laser and nanotechnology read the bacteria's metabolic activity

It currently takes a long time to measure a bacterial infection's response to antibiotic treatment. Clinicians must culture the bacteria and then observe its growth, sometimes for almost a month, as is the case with tuberculosis, in order to determine if the treatment has been effective.

Thanks to advances in laser and optical technology, the EPFL team of physicists has reduced this time to a couple of minutes. To do so, Giovanni Dietler, Sandor Kasas and Giovanni Longo have exploited the microscopic movements of a bacterium's metabolism.

These vital signs are almost unperceivable. In order to test for them, the researchers place the bacteria on an extremely sensitive measuring device that vibrates a small lever -- only slightly thicker than a strand of hair -- in the presence of certain activity. The lever then vibrates under the metabolic activity of the germs. These infinitely small oscillations, on the order of one millionth of a millimeter, determine the presence or absence of the bacteria.

To measure these vibrations, the researchers project a laser onto the lever. The light is then reflected back and the signal is converted into an electrical current to be interpreted by the clinician or researcher. When the electrical current is a flat line, one knows that the bacteria are all dead; it is as easy to read as an electrocardiogram.

A promising method for cancer treatment

The researchers have miniaturized the tool -- it is currently the size of a matchbox. "By joining our tool with a piezoelectric device instead of a laser, we could further reduce its size to the size of a microchip," says Giovanni Dietler. They could then be combined together to test a series of antibiotics on one strain in only a couple of minutes.

The researchers are currently evaluating the tool's potential in other fields, notably oncology. They are looking into measuring the metabolism of tumor cells that have been exposed to cancer treatment to evaluate the efficiency of the treatment. "If our method also works in this field, we really have a precious tool on our hands that can allow us to develop new treatments and also test both quickly and simply how the patient is reacting to the cancer treatment," says Sandor Kasas.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/1zTXeSe2UBI/130630145006.htm

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Hit And Run Crash Claims Life Of Breaux Bridge Tow Truck Operator, Texas Suspect Behind Bars

25-year-old Blaze Louviere, who worked for Guy?s Towing, lost his life Sunday morning after La. State Police say he was hit by a vehicle while trying to remove a disabled vehicle on I-10.

Troopers indicated Louviere?s tow truck was equipped with the proper yellow strobe overhead light bar. But, according to police, that didn?t stop 24-year-old Luis Molina of Mission, Texas, from hitting Louviere with his 2000 GMC Yukon around 2:30 a.m., then driving away. Trooper Stephen Hammons says witnesses followed Molina into the Breaux Bridge city limits where Breaux Bridge Police Officers took him into custody until Troopers could arrive.

Troopers were notified about 7 hours after the accident that Louviere had died from his injuries. Molina was not injured during the crash. And police say, while it was unknown if Molina was wearing his seat belt, he was under the influence of alcohol. He?s been booked into the St. Martin Parish Jail for vehicular homicide, improper lane use and felony hit-and-run. State Police are still examining toxicology samples and continue to investigate the case.

Guy?s Towing statement, obtained from our news partners at KATC: ?Guy?s Towing Service, Inc. has for decades served the communities of south Louisiana and aided in protecting the motoring public in its untiring effort to eliminate drunk driving and the tragedies that follow. Today Guy?s lost one of its own family members to a drunk driver. Today is a day we will never forget as we mourn the loss of Blaze Louviere, a young man who?s life was needlessly taken by a drunk driver while assisting one of his own on I-10 early this morning.?

Louisiana Law requires drivers operating a vehicle upon an interstate or multi-lane highway to yield the right of way to a parked vehicle on the shoulder of the road.? If a lane change is not possible, the law requires drivers to reduce their speed.? On two lane roads, drivers are required to maintain a safe speed for roadway conditions.

Last year, 62% of the fatal crashes investigated by Troop I involved some form of impairment.? Troopers remind drivers about the dangers of impaired driving.? Even after having just one drink, decision making abilities are hindered.? Make the responsible decision every time, don?t drink and drive.

Source: http://kpel965.com/hit-and-run-crash-claims-life-of-breaux-bridge-tow-truck-operator-texas-suspect-behind-bars/

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Robert Swift: Capitol Matters: State looks to police local debt

HARRISBURG - Two bills to provide more state oversight to guard against risky municipal debt deals were approved by a Senate committee last week.

The measures would give state officials greater review power over municipal debt borrowings and give the state Ethics Committee authority to investigate alleged ethical violations by individuals involved in municipal financial transactions.

The bills' approval by the Local Government Committee marks the start of consideration for a legislative remedy to prevent a future repeat of the Harrisburg debt crisis. A massive debt tied to the city's incinerator has pushed the city into Act 47 distressed status

Sen. John Blake, D-22, Archbald, sponsored the ethics investigation bill and Sen. John Eichelberger, R-30, Hollidaysburg, sponsored the bill to give the state Department of Community and Economic Development power to put conditions on municipal debt borrowings and limit the ability of a municipality to provide guarantees on municipal authority debt borrowings.

"These bills need to be signed into law to correct flaws or omissions in previous laws and ensure Pennsylvania's local government officials are properly accountable to the taxpayers and ratepayers they serve," said Mr. Eichelberger who chairs the committee.

Still awaiting committee action is a bill to ban use by municipalities of complex financial interest rate transactions known as "swaps".

Pocono septic systems

State lawmakers gave final approval last week to a bill aimed at heading off a controversial proposed state watershed rule involving septic systems.

The measure which Gov. Tom Corbett is expected to sign would sanction on-lot sewage systems approved by the state Department of Environmental Protection as meeting the requirement of not degrading the water quality of a protected stream.

The bill will provide certainty to local governments and developers seeking sewage planning approval for projects near special protection watersheds, said Mr. Corbett.

"The House and Senate found a solution that allows the Department of Environmental Protection to rely upon the existing standards of Act 537," added Mr. Corbett.

The bill was pushed to passage by five Northeast Pennsylvania lawmakers, including Sen. Lisa Baker, R-20, Lehman Twp.; and Reps. Sandra Major, R-111, Montrose; Mike Peifer, R-139, Honesdale; Mario Scavello, R-176, Mount Pocono, and Rosemary Brown, R-189, Middle Smithfield Twp.

The lawmakers said a DEP rule proposed earlier this year could have led to costly requirements that septic systems for homes and businesses be located on larger tracts of property or have a greater buffer zone.

Source: http://thedailyreview.com/opinion/robert-swift-capitol-matters-state-looks-to-police-local-debt-1.1513129

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