James Cameron, others to explore the real abyss

Thursday, March 15, 2012 | 5:41 p.m. CDT; updated 10:12 p.m. CDT, Thursday, March 15, 2012

WASHINGTON — Earth's lost frontier is about to be explored firsthand after more than half a century. It's a mission to the deepest part of the ocean, so deep that the pressure is the equivalent of three SUVs sitting on your toe.

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