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Sediment Core Close-Up
These deep-sea sediment cores were drilled from beneath the seafloor, and hold...
A Bloom of Moon Jellies
In recent years, blooms of jellyfish, such as these moon jellies (Aurita aurita) in...
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...