August 29, 2013 in Outdoors
Mark Harrison photo

In this July 13, 2013 photo, people take a guided adventure featuring the natural phenomenon on the Salish Sea near Bellingham Bay, Wash. The Salish Sea is prime territory to see microscopic plankton or dinoflagellates emit light, a chemical reaction that serves as their defense mechanism when disturbed.

 
 
 
 

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