Saturday, February 23, 2013

First look at Apple's new iWatch (Video)


Staff Puget Sound Business Journal

Bloomberg takes a look at Apple's plans to develop an "iWatch," which would connect to a smartphone and display maps, "points of interest," even tweets.

Blogger Mikey Campbell, who writes for Appleinsider.com, describes the device based on Apple's patent filings, saying it isn't likely the full design could be made within six months or a year, but farther into the future.

Source: http://feedproxy.google.com/~r/TechFlash/~3/aCCENbjIldo/first-look-at-apples-new-iwatch.html

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Friday, February 22, 2013

When to take aspirin to help prevent cancer and heart disease ...

Mark Weiss / Getty Images

When to take aspirin to help prevent cancer and heart disease.

Nearly one-fifth of all Americans ? roughly 60 million people ? take low-dose aspirin every day to help ward off heart disease. Now, new studies show popping a baby aspirin daily can help prevent cancer. But should you really take aspirin that often? Here's how to tell if daily low-dose aspirin is right for you.

Cancer
A series of large recent studies shows that people who take 75 mg of aspirin daily for at least five years reduce their risk of dying from cancer by about 20 percent. Other research has concluded that people who take daily aspirin have a 41 percent lower chance of getting liver cancer, specifically, than non-aspirin users. Researchers think aspirin helps prevent cancer by reducing inflammation that may cause the disease.

Despite these impressive numbers, the American Cancer Society says no one should start taking daily aspirin for cancer. The drug, even in a baby dose ? 81 mg ? increases the risk of internal bleeding, ulcers, and one type of stroke. A recent study of more than 100,000 people found taking aspirin daily boosts your chance of debilitating or life-threatening bleeding by 30 percent. "We don't know how long you take it before the prevention starts, and how long the prevention lasts after you stop taking it," says cancer-study specialist Dr. John Baron of the School of Medicine at the University of North Carolina. "It can take years of taking aspirin for the cancer benefits to begin ? but that could be 10 years of bleeding without benefits, and that's a problem."

What to do? Wait for the research, says Dr. Baron. "My guess is that when the work is done, aspirin will be judged worthwhile, maybe to start taking around age 50. But there will need to be the appropriate warnings about the likely side effects and toxicity."

Heart Disease
If you haven't had a heart attack or don't have any risk factors for heart disease, like high cholesterol or high blood pressure, you probably shouldn't take low-dose aspirin, says New York cardiologist Dr. Dennis Goodman, because the risks outweigh the potential benefits. "Aspirin is not a benign medication ? otherwise, we'd all be taking it. But if you talk to any gastroenterologist, they'll tell you it's the most common cause of serious stomach bleeding and upper-GI procedures." Indeed, studies show daily low-dose aspirin raises the risk of severe bleeding more than it will lower your risk of having a heart attack.

If you have had a heart attack, take aspirin, says Goodman. "Aspirin is probably one of the most effective and cost-effective treatments for people with heart disease or high-risk factors for heart disease. But again, it's not indicated for everyone."

Source: http://www.mensjournal.com/health-fitness/health/the-right-time-to-take-aspirin-20130220

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Thursday, February 21, 2013

Egypt's military signals impatience with president

CAIRO (AP) -- Egypt's powerful military is showing signs of growing impatience with the country's Islamist leaders, indirectly criticizing their policies and issuing thinly veiled threats that it might seize power again.

The tension is raising the specter of another military intervention much like the one in 2011, when generals replaced longtime authoritarian leader Hosni Mubarak after they sided with anti-regime protesters in their 18-day popular uprising.

The strains come at a time when many Egyptians are despairing of an imminent end to the crippling political impasse between President Mohammed Morsi and his Muslim Brotherhood group on one side, and the mostly secular and liberal opposition on the other.

The tug of war between the two camps is being waged against a grim backdrop of spreading unrest, rising crime and a worsening economy.

"In essence, the military will not allow national stability or its own institutional privileges to come under threat from a breakdown in Egypt's social fabric or a broad-based civil strife," said Michael W. Hanna, an Egypt expert from the New York-based Century Foundation.

"This is not an ideological army or one that seeks to destabilize civilian governance. ... But it is also not an army that will sit by while the country reaches the tipping point on the path to civil strife."

The latest friction began when a rumor circulated that Morsi planned to replace Gen. Abdel-Fattah el-Sissi, his defense minister and the army chief, because of his resistance to bringing the military under the sway of the Brotherhood-dominated government.

El-Sissi may have angered Morsi last month when he signaled the military's readiness to step in, warning that the state would collapse if no solution was found to the political crisis. Pointedly, he also spoke of how the military faces a dilemma in marrying the task of protecting state installations in restive locations with its resolve not to harm peaceful protesters.

In another provocative comment earlier this month, el-Sissi was quoted as saying he would never allow the armed forces to be dominated by the Brotherhood, or any other group, stressing the military's national identity.

A Brotherhood spokesman, Yasser Mehrez, dismissed claims that the group sought to bring the military under its sway. "This is old talk that has been repeated over and over again," he said.

The rumor about el-Sissi's dismissal was widely suspected to be a trial balloon floated by the Muslim Brotherhood to gauge military and public reaction.

The military did not officially respond. But widely published comments attributed to an anonymous military source threatened that any attempt to remove the military's top commanders would be "suicide" for the government and spoke of widespread anger within the armed forces.

The source was quoted as saying the public will not accept any meddling in the military and will close ranks to counter any pressures or challenges.

The military distanced itself from the comments on a statement posted on its official Facebook page. But the situation was deemed serious enough for Morsi's office to issue a statement late Monday that appeared aimed at calming the military.

It reassured commanders of the administration's appreciation of the armed forces and said the president had confidence in el-Sissi.

But the statement, which blamed media for spreading "lies and rumors," may have done little to ease the tension.

"The two sides may be publicly dismissing reports of tension, but the army is making it very clear to the presidency that any attempt to dismiss el-Sissi would backfire," said military analyst and retired army Gen. Mohammed Qadri Said.

"They claim mutual love and respect, but what is happening is not indicative of this."

The military also handed Morsi a public humiliation when army commanders chose not to enforce a night curfew he imposed on three restive Suez Canal cities in riots last month.

In a direct challenge to the president, several top field commanders said they would not use force against civilians in the three cities. Residents openly defied Morsi by staging demonstrations during the curfew hours, playing soccer in the streets and setting off fireworks.

El-Sissi's top lieutenant, Chief of Staff Sedki Sobhi, delivered another implicit warning to Morsi and the Brotherhood this week.

While the military was not currently involved in politics, he said: "It keeps an eye on what goes on in the nation and if the Egyptian people ever needed the armed forces, they will be on the streets in less than a second."

Significantly, Sobhi made his comments in the United Arab Emirates, whose government accuses Egypt's Brotherhood of meddling in its affairs and has arrested 11 Egyptian expatriates there for their membership of the group.

Morsi and the Brotherhood have made it clear that they do not want the military to play any political role.

But that did not stop el-Sissi from extending an invitation to the opposition and Islamist leaders loyal to Morsi to sit down informally over lunch to defuse a crisis over presidential decrees issued in November that gave Morsi near absolute powers. The decrees have since been rescinded.

Under pressure from the Brotherhood, el-Sissi withdrew the invitation just hours before the meeting was to start.

Morsi appointed el-Sissi less than two months after taking office as Egypt's first freely elected president. The Aug. 12 appointment followed Morsi's bold decision to retire the nation's two top generals, restoring the full powers of the president's office and ending a months-long power struggle between the two sides. Before Morsi's move, the military had the power to legislate since the legislature was dissolved in June by a court ruling. The military also held veto power over a panel that was drafting a new constitution at the time.

Still, few ever took el-Sissi to be the president's man. And there were doubts that six decades of de facto military rule had come to an end or that the military had been relegated to playing second fiddle to civilians.

Morsi and his Islamist supporters passed up a major opportunity to curb the military's power - something that would have meant a major confrontation with the generals.

The new constitution drafted by Islamists enshrined the military's near-complete independence and kept its vast economic interests above oversight, against the wishes of many who participated in the 2011 revolt.

With chaos in the country deepening, chants calling for military intervention during street protests, last heard en masse during the uprising, are making a timid comeback.

"Millions of Egyptians want the army to come back and deliver us from chaos," Ibrahim Issa, host of a political talk show on television, said this week.

"This is the sentiment on the Egyptian street, and ignoring it is stupid," said the popular Issa, a harsh critic of Morsi, the Brotherhood and the military when it was in power.

Since taking office in June 2012, Morsi has made little progress in tackling Egypt's pressing problems - steep price increases, surging crime, deteriorating services and fuel shortages.

The Brotherhood, which dominates parliament and the government after winning every election since Mubarak's ouster, is accused of monopolizing power. And Morsi has been criticized for failing to deliver on a promise of an inclusive government representing the Christian minority, liberal and secular political factions, and women.

The highly charged political climate and the collapsing economy could make a military takeover seem like a welcome development in some corners of Egypt - or at least a necessary evil that could salvage the nation.

But the military may not be willing to insert itself directly again in politics or governance. Its prestige was badly tarnished by scathing criticism of its handling of the post-Mubarak transition period.

A few days into the uprising, Mubarak ordered the army into the streets to replace a police force that melted away when confronted with massive public outrage over decades of abuse.

With the country in chaos and paralyzed, the military later sided with protesters who demanded that Mubarak leave office. A council of ruling generals took over the reins of power, but the relationship soon turned sour.

Activists and pro-democracy groups accused the generals of widespread human rights violations during their rule, including the torture of detainees and the trial of at least 10,000 civilians before military tribunals.

The military later made good on its promise to hand over power to an elected government, although Morsi and his Brotherhood would clearly not have been the generals' choice if they had to make one.

With that history in mind, there are serious questions about whether a military intervention can even solve any of Egypt's problems in a time short enough to satisfy a population seething with anger over the chaos and hardships of the last two years.

The military would be risking more vilification if it does not move the country onto firmer ground quickly.

Nevertheless, there may be enough goodwill toward the military and popular discontent to give it another chance.

Source: http://hosted.ap.org/dynamic/stories/M/ML_EGYPT_MILITARY_?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT

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Alaska lawmaker wants $100 bounty on sea otters

Sea otter bounty: An Alaska state senator says sea otters are a growing threat to shellfish, including crabs. On Wednesday, he introduced legislation that would have the state pay $100 for each sea otter lawfully killed under the federal Marine Mammal Protection Act.

By Becky Bohrer,?Associated Press / February 21, 2013

A sea otter in Kachemak Bay, Alaska. Alaska state senator Bert Stedman, (R) of Sitka, is proposing a $100 bounty on sea otters.

(AP Photo/Laura Rauch, File)

Enlarge

An Alaska state senator is proposing a bounty on sea otters, the cute little marine mammals often seen by tourists swimming on their backs between cruise ships, sometimes munching on a fresh crab or clams.

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Sen. Bert Stedman, R-Sitka, sees the furry-faced critters as a growing threat to shellfish beds, particularly in southeast Alaska, where he is from. On Wednesday, he introduced legislation that would have the state pay $100 for each sea otter lawfully killed under the federal Marine Mammal Protection Act.

"We're not talking eradication. We're talking slowing the population growth," he said. "In my opinion, we're not going to get any help from the federal government."

Even if the bill were to pass, it would be unenforceable under the federal law, said Bruce Woods, a spokesman for the U.S. Fish and Wildlife Service. States cannot enforce laws or regulations related to the taking of any marine mammal under the law unless the Interior secretary transfers conservation and management authority to that state. That hasn't happened.

Stedman said part of what he is trying to do is begin a discussion on the issue and send a message to the feds that something needs to be done. "Clearly, it's a problem," he said, "and it's going to get worse."

There are three sea otter populations in Alaska, in southwest, south-central and southeast Alaska, whose numbers total an estimated 98,000. The number for the southwest population, listed as threatened under the Endangered Species Act, is the largest, at 55,000, but the latest estimate is more than 10 years old and the population is thought to be in decline, Woods said. Population estimates for the other regions are from 2010-2011. Both those populations are growing, he said.

Since their reintroduction to southeast Alaska by the state in the 1960s, after being virtually wiped out during the fur trade era, the number of sea otters in that region has grown to about 25,000, Woods said. The Marine Mammal Protection Act transferred management authority to Fish and Wildlife in 1972.

Under the federal law, only Alaska Natives can hunt sea otters in Alaska; there is no hunting season and no bag limit, but there are prohibitions on wasteful take ? that is, killing sea otters for the sake of killing them, Woods said. At least 840 sea otters were taken for subsistence reasons last year, the highest since 1993, and not surprising given the growing size of the population, wildlife biologist Verena Gill with Fish and Wildlife said.

Fisherman Ladd Norheim of the southeast Alaska community of Petersburg said the sea otters are "decimating" Dungeness crab stocks and would like to see some kind of management. He said half the area he used to fish for Dungeness in southeast Alaska is gone. Three years ago, he said there were 21 Dungeness boats over by Kake. Last year, he said there were two, and one left.

"What strikes me funny: I'm fishing crab right now, and if a crab stock gets low or something or ... any fishery, they shut us off or close us down to protect a crab or a fish. Yet when a sea otter comes in and absolutely decimates an area, they don't do anything about it," he said Thursday. "They just say, 'Oh, they're warm and fuzzy and cute.' Well, I'm pretty warm and fuzzy and cute, too, but I don't totally wipe anything out.

"I mean, crab have rights. Clams have rights. Where do sea otters come out being so holy?" he said.

Woods said he understands the frustrations.

"But our management has to be driven by science," he said. And questions remain about where the population is in terms of its establishment and carrying capacity, and what exact impacts it is having on prey species, like crabs or clams, he said. The agency is working with the University of Alaska Fairbanks to study those issues.

___

Follow Becky Bohrer on Twitter at http://twitter.com/beckybohrerap .

Copyright 2013 The Associated Press.

Source: http://rss.csmonitor.com/~r/feeds/science/~3/2G2Xv0-LA4U/Alaska-lawmaker-wants-100-bounty-on-sea-otters

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First exoplanet smaller than Mercury discovered

Seismic waves on a star have helped astronomers pin down the smallest known exoplanet. The newly announced world, called Kepler-37b, is not much larger than Earth's moon, and becomes the first known planet orbiting a sunlike star that is smaller than any in our solar system.

Kepler-37b is one of three new worlds found around Kepler 37, a star slightly cooler than our sun near the constellation Cygnus. Another planet is smaller than Earth, while the third is twice Earth's size. All three are probably rocky and extremely hot, with no atmosphere or chance of supporting life.

"This shows us the diversity of exoplanetary systems," says Thomas Barclay at the NASA Ames Research Center in Moffett Field, California. "We knew there were very large systems ? now we know there are very small ones as well."

The three planets were found with NASA's Kepler space telescope, which searches for dips in starlight when a planet passes in front of its star, as seen from Earth. The greater the dip, the larger the planet.

Kepler-37b beats out the previous smallest world, Kepler-42d, which was discovered last year and is about half as big as Earth. But two challengers could rewrite the record books yet again. An evaporating exoplanet announced last week is thought to be the size of the moon, while one of the first known exoplanets, found orbiting a dead star called a pulsar, has a mass only 2 per cent that of Earth.

Tiny rivals

The evaporating planet was also found by Kepler, but its size is an estimate based on modelling. The pulsar planet was discovered via changes in the star's radio pulses caused by the orbiting world's gravitational tugs, a method that gives mass but not size. That means neither planet's radius has been confirmed, leaving their claims to the tiniest exoplanet title in doubt.

Barclay's team is much more certain about the sizes of the Kepler-37 planets because they made measurements on their star used a technique called asteroseismology. This involves looking at waves on the star's surface to gather information about its interior, in much the same way as geologists use seismic waves to study structure deep inside Earth. This allowed the researchers to better calculate the star's mass, size and density.

"One of our big limitations in studying planets is actually understanding the star," says Barclay. Knowing the star's size more accurately, the team could better gauge the sizes of its planets. "We've got an accurate measure of just how small they are."

Journal reference: Nature, DOI: 10.1038/nature11914

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Obama: People will lose jobs (CNN)

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Wednesday, February 20, 2013

Swiss bionic hand offers true sensations through the nervous system

Swiss bionic hand offers true sensations through the nervous system

Those wearing bionic hands and similar prostheses often suffer a frustrating disconnect when they can touch an object but can't feel it, even if they're using direct neural control. The École Polytechnique Fédérale de Lausanne and allies in Project TIME have developed a hand that could clear that psychological hurdle. The design implants electrodes directly in key nerves that not only allow motor input, but deliver real sensory feedback from the artificial appendage -- including needle pokes, much to the test subject's chagrin. An early trial (seen above) kept the enhanced hand separate from the wearer and was limited to two sensations at once, but an upcoming trial will graft the hand on to a tester's arm for a month, with sensations coming from across much of the simulated hand. EPFL hopes to have a fully workable unit ready to test in two years' time, which likely can't come soon enough for amputees wanting more authentic physical contact.

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Source: Project TIME, The Independent

Source: http://www.engadget.com/2013/02/19/swiss-bionic-hand-offers-true-sensations/

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