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Sediment Core Close-Up
These deep-sea sediment cores were drilled from beneath the seafloor, and hold...
Walrus on Ice
Lying on the ice with a few friends is not an unusual way to spend time for...
How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
Dugongs, along with manatees, make up a group of marine mammals called sirenians or...