Technology & Science: Vicious shark-tooth weapons reveal lost species

Technology & Science Technology & Science

Vicious shark-tooth weapons reveal lost species Apr 3rd 2013, 23:50 By Stephanie Pappas, LiveScienceA collection of vicious weapons made of shark teeth reveals that two species of sharks vanished from the reefs of Kiribati before scientists even noticed the species were there.Until about 130 years ago, residents of the Gilbert Islands, which make up much of the Republic of Kiribati in the Pacific Ocean, used teeth from dusky sharks (Carcharhinus obscrus) and s... Media files: 1C6762860-suzanne-choneyA12C5BD8-00F7-1CE4-4AA5-7F7074706FC4.standard.jpg 1C6762861-suzanne-choney959ED6FB-125E-6A7F-7CFF-797DEF4A0E97.standard.jpg

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