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A shark tooth embedded in a bone
Photo

A Tooth Left Behind

 A Megalodon left behind a piece of itself when it bit into its prey. This is a...
A researcher leans off of a boat to tag a great white shark.
slideshow

Collaborator Research

 Recent Antarctic expeditions, underwater volcano monitoring, studies of...
Tue, 12/01/2009 - 10:02
Smithsonian researchers eat a meal in preparation for a fossil excavation
slideshow

A Squalodontid Success

 On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal...
Wed, 06/22/2011 - 17:47
Photograph of the model of a Giant Megatooth Shark, taken from the front..
slideshow

Shark Ancestors

 Long before great white sharks appeared, much larger ancestors roamed the ocean....
Thu, 12/17/2009 - 17:55
The arrows show the direction of ocean currents recorded by William Dampier while crossing “La Grande Mer du Sud”—the Pacific Ocean.
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Pacific Ocean Currents

 The arrows show the direction of ocean currents recorded by William Dampier while...
An archaeologist arranges a deep-sea core.
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Sediment Cores

 An archaeologist arranges a deep-sea core from off the coast of Britain. These...
Researcher Aimee Ellison tests samples for DNA barcoding at the Gump Field Station on Moorea.
Photo

Testing DNA samples

 Researcher Aimee Ellison tests samples for DNA barcoding at the Gump Field Station...