Uploaded August 2014 | Updated September 2026, 2 weeks ago

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Weapons made with shark teeth from 100+ years ago are not only awesome, but they may also help us uncover clues about species distribution.
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Producer, Writer, Creator, Host:
Emily Graslie

Producer, Editor, Camera, Archive:
Tom McNamara

Theme music:
Michael Aranda

Created By:
Hank Green

Production Assistant:
Katie Kirby
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Thank you to Chris Philipp for allowing us to film in the oversized Anthropology collection, and for letting us borrow the artifacts in this video for the shoot!

And shout-out to Joshua Drew et al. for researching and writing the fascinating paper that inspired this video. You can read it here: bit.ly/1mKLu8e

Special thanks to David Shiffman (@whysharksmatter) for his help, support, advice, and fun facts about sharks!

Additional thanks to Joe Hanson (ItsOkayToBeSmart) and the folks at PBS Digital Studios for helping to put this great series together. :)

Filmed on Location and Supported by:
The Field Museum in Chicago, IL
(http://www.fieldmuseum.org)

Thanks to Evan Liao, Kelleen Browning, Katerina Idrik, Barbara Velázquez, and Seth Bergenholtz for translating!