Pedal-Powered Purifier Clears the Air in China

Feb. 4 (Bloomberg) -- Paul Allen reports on a man who has created a bicycle that purifies the air. He speaks on Bloomberg Television's "First Up." (Source: Bloomberg)

Goldman Said to Get Burned in Rare Trading Miss
54:10 - Bloomberg's Laura Keller discusses Goldman Sachs disappointing earnings. She speaks on "Bloomberg Markets." (Source: Bloomberg)
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