While filming coral off the Solomon Islands, David Gruber, a National Geographic Emerging Explorer, encountered a “bright red-and-green spaceship.” This underwater UFO turned out to be a hawksbill sea turtle, which is significant because it’s the first time that biofluorescence has ever been seen in reptiles, according to Gruber. Gruber is now excited to learn more about this critically endangered species and how it is using biofluorescence.

David Gruber: http://www.nationalgeographic.com/exp…

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