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Cape Hatteras National Seashore Sunbathers near a fishing pier
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Cape Hatteras National Seashore
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Seasparkle, a tiny dinoflagellate that can be seen glowing in the surfline at night.

Did You Know?
The beaches along Cape Hatteras National Seashore sparkle at night. When you kick the sand, you disturb tiny dinoflagellates like seasparkle, magnified in the picture to the left. A chemical reaction causes them to glow with a blue-green light.

Last Updated: February 01, 2012 at 07:59 MST