Those that are lucky enough to have seen a bioluminescent beach say it is a fantastic spectacle, like few on Earth. The sparks of blue or green light that accompany the water in the winding breaking of the waves captivate young and old alike. I, unfortunately, have never seen it, although I have seen occasional sparks in the night water, and I have experienced the fun of stirring some bioluminescent protozoan culture. Just for the record: do not do that; they die after stirring them if you do it too often or too energetically. [...]