The race is on to find Flight 370's black boxes before their locators stop 'pinging.' They are expected to go silent in just a couple days. There are some serious questions about whether black box technology is where it should be. Safety analyst David Soucie opens up a black box and explains how they work.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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