Noctiluca scintillans, according to Wikipedia, “is a free-living, marine-dwelling species of dinoflagellate that exhibits bioluminescence when disturbed.” And who amongst us is not. They are most active in summer. I have fond memories of swimming out at midnight to find myself bathed in bioluminescence. If you haven’t tried it, put it on your bucket list. Kumanichi says that the season is here. - William

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