It involves inserting tiny ultrasound probes directly into the arteries that feed the heart.

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That group, backed by investors such as filmmaker James Cameron and Google executives Larry Page and Eric Schmidt, says it hopes to get its first unmanned probes into space by the end of 2013.

CNN: 'Fireflies' to scope out space rocks for mining

News Corp. has publicly apologized for wrongdoing at the tabloid and has said it is assisting police, who are conducting various criminal probes into illegal reporting practices.

WSJ: News Corp.'s Rupert Murdoch, in Testimony, Says He Never Asked for Political Favors

News Corp. has publicly apologized for wrongdoing at its U.K. tabloid and has said it is assisting police, who are conducting various criminal probes into reporting practices.

WSJ: News Corp. Decision on Splitting Up Expected by Thursday

News Corp. has publicly apologized for wrongdoing that occurred at News of the World and has said it is assisting police, who are conducting various criminal probes into illegal reporting practices.

WSJ: News Corp. Chief Faces Inquiry

While the media actively probes into Wall Street banks and Fortune 500 businesses, it rarely takes to task those that have started charities or non-profits.

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What is clear on the police front is that law-enforcement, too, is headed toward scrutiny, even as it carries out two probes tied to News of the World: one into phone hacking, the other into police payments.

WSJ: Police Feel the Heat in U.K. Tabloid Scandal

The IRS is facing congressional probes and a Justice Department criminal investigation into revelations that from early 2010 through early 2012 it gave extra scrutiny to conservative groups applying for nonprofit status.

WSJ: Emails Suggest IRS Targeting Developed by Lower-Level Workers