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The “Hyperbolic Crochet Coral Reef,” a unique exhibition and thought-provoking fusion of science, conservation, mathematics, and art, is on display in Washington, D.C., at the Smithsonian’s National Museum of Natural History. By engaging local...
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Tiny plant-like organisms called zooxanthellae live in the tissues of many...
Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of...
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The pre-industrial American landscape was once rightly described as a place...

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What are corals? Corals themselves are animals. But tropical reef-building corals have tiny plant-like organisms living in their tissue. The corals couldn’t survive without these microscopic algae–called zooxanthellae (zo-zan-...
Blast fishing, when dynamite or other explosives are used to stun or kill...
How does a coral spend its day? Most of us would say: not doing much. To the...

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It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft) below the ocean’s surface, where the water is...
Tectitethya crypta (formerly known as Cryptotheca crypta ) is a large, shallow-water sponge found in the Caribbean. It was first studied for medical purposes in the 1950s when few scientists or...
A master of disguise, the pygmy seahorse ( Hippocampus bargibanti ) grows to only 2cm in length and matches the gorgonian coral that it lives on. The pygmy seahorse is so successful at hiding that it...
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