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Could deep reefs save shallow reef animals from the threats coral reefs around the world are facing? Researchers took to the water to find out and discovered that these ocean "twilight zones" are not the refuges they hoped.
When diving in deep coral reefs, scientists breathe a mixture that includes helium.
See why Academy scientists journeyed to the western Pacific to study Palau's surprisingly pristine coral reefs.
Academy scientists discover a new fish species in the new Twilight Zone exhibit!