Economics and Investing:

Nature Provides Novel Solution To Energy Storage Problem

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A Wary Athens Awaits the Referendum on Austerity. – JBG

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Puerto Rico Debt Crisis Mounts With Key Deadline Just Week Away. – G.G.

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Greece Update: Run On Banks Risks Leaving Them Cashless – JBG

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The world is defenseless against the next financial crisis, warns BIS. – G.G.

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Items from Mr. Econocobas:

Greek Capital Controls Begin: Greek Banks, Stock Market Will Not Open On Monday