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a man snorkels at the surface near a coral reef while a woman sits on a boat and watches
Photo

Snorkeling in the Great Barrier Reef

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Two nurse sharks hover over a baited cage
Lesson Plan

Undersea Geologic Features: Bathymetry

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Pink crustose algae covers the surface of a rock.
Article

Microbes Help Corals Pick a Home and Settle Down

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Nancy standing by the ocean
Article

Corals to Communication: Nancy Knowlton’s Success Focusing on the Imminent

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But closer to the CO2 seeps, the complex reef has been replaced by a “monoculture” of boulder corals.
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Monoculture of Boulder Corals

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The pink strands of this coral harbor a variety of organisms. Sea whips are gorgonian corals, with flexible skeletons.
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Sea Whip Coral

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a skeleton of a button coral that looks like a snow flake
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Button Coral

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Two nurse sharks hover over a baited cage
Lesson Plan

Caution! Do Not Bleach

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A soft, yellow coral
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Soft Coral

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A submersible explores the deep reefs off of Curacao in the Caribbean.
Overview

DROP: The Deep Reef Observation Project

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Three reefs at different depths
Article

Ancient Architects of the Ocean: How Stony Corals Have Survived Through Earth’s Changes

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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.
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Coral Growth Rings

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