Smokescreen: Are E-Cigarettes Safe?
Scientific American

Even without tobacco, the poorly regulated devices may pose unique dangers
This video was recorded right before the recent protests started, but with all of this going on, it becomes even more evident that the World Cup and the Olympics should not be Brazil's priority.
The Vienna Volksopera gives a special public performance of Carl Orff's Carmina Burana. The performance is uniquely athletic, spontaneous and energetic.
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