While the Greek debt crisis occupies world leaders at the G20 summit of the biggest economic powers, should we fear the potential fallout here?

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Q&A: How Greek crisis affects UK

As greater numbers of a popular hip implant are beginning to fail, doctors and patients are grappling with how to detect and repair the potential damage.

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A Scramble for Solutions as a Hip Device Fails

Former U.S. senator Charles H. Percy of Illinois, a dashing corporate executive whose meteoric political rise as a liberal Republican was later eclipsed by the sense that his potential went unfulfilled, died Sept. 17 at the Washington Home and Community Hospice in the District. He was 91. He had Alzheimer’s disease, said Kate Kelly, the director of national publicity at the public broadcasting outlet WETA, whose president and chief executive is Sen. Percy’s daughter Sharon Percy Rockefeller. Read full article > >

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Former Sen. Charles H. Percy dies at 91

Those who believe in free will might be troubled to learn a few secrets about viruses, bacteria and parasites. While it may sound like science fiction, science hints at the potential for microbes to influence our minds, or at least our behavior. Granted, with very limited exceptions, there’s no conclusive proof that foreign agents can control us from within. But when you consider the evidence with an open mind, it’s interesting to consider the possibilities. The latest relevant finding seems innocuous enough. Last month, three insect and plant disease researchers in the University of California system reported a discovery about the tomato spotted wilt virus. As its name suggests, this virus infects and damages tomato plants. It’s harmless to people. Read full article > >

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The bacteria (or virus or parasite) made me do it

The northern Sudanese army has seized Abyei in a serious military escalation that has the potential of igniting an all-out civil war, Western officials said on Sunday.

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North Sudan Takes Contested Town on South Border

Senior police officers focused too much on the potential use of “kettling” during a TUC march against government spending cuts in London last month, human rights campaigners say.

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Police ‘too focused on kettling’

After the president spoke to the nation, a former foreign minister fled his nation. Meanwhile, Congress is negotiating — or not, depending on who you talk to — over the budget. And the potential GOP field has more wives, war positions, birthers and snark to last a lifetime. That’s not quite everything that happened this week. But it might be enough to pass this week’s p-Op quiz. A p-Op hat tip to @kriseisenla for this week’s quiz name.

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Friday’s p-Op quiz: ‘Moussa Koussa’ Edition

Cool water continued to circulate around nuclear fuel rods at the tsunami-stricken Fukushima Daiichi nuclear power plant Tuesday, limiting the potential for new releases of toxic particles.

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Japan struggles to contain radiactive spread at stricken plant

Since late February, the Snow Lover’s Crystal Ball has been buried deep in the closet. But with this early spring cold snap and an energetic jet stream, the potential for an inch or so of snow is back on the table.

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Some snow accumulation likely Sunday morning

The Cougars are in New Orleans to play basketball and their fans are there to watch it. They have learned to block out the potential distractions.

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BYU and its fans are acclimating just fine to New Orleans

The Cougars are in New Orleans to play basketball and their fans are there to watch it. They have learned to block out the potential distractions.

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BYU and its fans are acclimating just fine to New Orleans

Federal agencies are investigating the potential effects of a cyberattack against one of the nation’s largest information security firms.

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U.S. agencies respond to cyberattack on information security firm

Theatre groups from Edinburgh to Exeter will unite this weekend to highlight the potential impact of spending cuts.

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Theatre groups act against cuts

Theatre groups from Edinburgh to Exeter will unite this weekend to highlight the potential impact of spending cuts.

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Theatre groups act against cuts

Theatre groups from Edinburgh to Exeter will unite this weekend to highlight the potential impact of spending cuts.

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Theatre groups act against cuts