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"mammal"
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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

slideshow
Sharks from the Vault
The sharks housed in the Smithsonian National Museum of Natural History's...
Fri, 07/20/2018 - 11:30

Lesson Plan
What is El Nino?
This activity explores the potential for climate variability and change to trigger...
Fri, 03/19/2010 - 14:51

Lesson Plan
It’s Sedimentary, My Dear Watson
In this introductory activity, students analyze core sample data to identify...
Mon, 03/15/2010 - 14:56

Lesson Plan
Wreck Detectives
Students utilize a grid system to document the location of artifacts recovered from...
Tue, 12/01/2009 - 12:08

slideshow
Under Arctic Ice
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48

slideshow
After the Oil Spill: Research Projects in the Gulf of Mexico with GoMRI
The Gulf of Mexico Research Initiative (GoMRI) was formed as a 10-year independent...
Fri, 01/23/2015 - 13:11