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A harp seal in icy water
Overview

Seals, Sea Lions, and Walruses

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an ammonite fossil with a carved snake head
Photo

Snakestones

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A screenshot from the video showing a giant barrel sponge.
Video

What Makes Sponges Grow?

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Unlike the green, leafy algae we're used to seeing, coralline algae has a hard crust—which you can see here at the molecular level under a scanning electron microscope.
Photo

Coralline Algae Under the Microscope

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A brachiopod looks like a clam, but they aren't closely related.
Photo

A Modern Day Brachiopod

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Two small, translucent hyperiids with very large eyes.
Photo

Paraphromina

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Mangrove Salt Glands
Photo

How Mangroves Deal with Saltwater

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A map of the early European whaling site at Hare Harbor in Quebec, Canada
Photo

Map of Early European Whaling Region

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Scientist Martha Nizinski holds a squat lobster (Eumunida picta) collected at the Lophelia reefs off Cape Lookout, North Carolina.    
Photo

Squat Lobster from Reefs of North Carolina

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A submersible’s robotic arm collects gold coral in the Hawaiian Islands. Similar specimens have been dated at more than 2,700 years old.
Photo

Collecting Gold Coral from the Deep Sea

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UV light illuminates growth rings in a cross-section of 44-year-old Primnoa resedaformis coral found about 400 m (1,312 ft) deep off Newfoundland.
Photo

Coral Growth Rings

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