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Death-defying free dives push boundaries

Name: Death-defying free dives push boundaries
Uploaded: 2013-12-01T20:09:00-0500
Duration: 13 min 21 s
Description: In an extreme sport in which divers reach great depths on one breath, records are being broken and doctors are surprised by feats never thought possible. Bob Simon reports.

In an extreme sport in which divers reach great depths on one breath, records are being broken and doctors are surprised by feats never thought possible. Bob Simon reports.