By: Charles Choi, LiveScience Contributor
Published: 01/08/2013 11:01 AM EST on LiveScience
Ancient gray disks loaded with zinc and beeswax found ...
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By: Stephanie Pappas, LiveScience Senior Writer
Published: 01/05/2013 02:28 PM EST on LiveScience
SEATTLE — A dive to the undersea cliff where a ...
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