Nature Provides Novel Solution To Energy Storage Problem 
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A Wary Athens Awaits the Referendum on Austerity . – JBG
Puerto Rico Debt Crisis Mounts With Key Deadline Just Week Away . – G.G.
Greece Update: Run On Banks Risks Leaving Them Cashless  – JBG
The world is defenseless against the next financial crisis, warns BIS . – G.G.
Items from Mr. Econocobas:
Greek Capital Controls Begin: Greek Banks, Stock Market Will Not Open On Monday