Water is usually dark and ominous at night, but a bloom of Noctiluca scintillans, a large, green marine dinoflagellate that exhibits bioluminescence when disturbed, made its way to Hong Kong. According to University of Georgia oceanographer Samantha Joye, this phenomenon, also known as “Sea Sparkle”, is triggered by farm pollution that can be devastating to marine life and local fisheries. Eugene Turner at Louisiana State University says that Noctiluca itself does not produce neurotoxins like other similar organisms do, but its role as both prey and predator can eventually magnify the accumulation of toxins in the food chain. Click here to view the first image in today’s viral picture gallery. Continue reading to watch the top five viral videos for today.