New media companies--from Gawker to Buzzfeed--have sprung up to feed every niche (and then some). Which are actually profitable? FORTUNE -- The Web has given rise to a number of notable digital publishers serving almost everyone's tastes, from straightforward news to guilty pleasures. For every Pulitzer-winning 10-part series on wounded...
War veterans who have lost their upper limbs have found that replicating their complex actions with robotic arms can be excruciatingly difficult....
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