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Sediment Core Close-Up
These deep-sea sediment cores were drilled from beneath the seafloor, and hold...
Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
An American crocodile (Crocodylus acutus) resting on a bed of seagrass. These...
Gulf Coast oil spill
Satellite view of the Gulf Coast oil spill off of Louisiana, April 29, 2010.