Fact of the Day
Off the coast of the Philippine Islands lies the archipelago of Palau. During the end of the Ice Age, a completely enclosed salt water lake was formed, filled with the sea life of the time. Virtually untouched by the world, the lake is an isolated ecosystem of evolutionary brilliance. The lake is referred to as Ongeim’l Tketau or Jellyfish Lake for the masses of the animal that populate the area. Without predators and with 20,000 years, these jellyfish have developed into harmless (non stinging), self-contained life. Brainless as they may be, the jellyfish follow the sun with remarkable consistency. It is said that one could even set his/her watch by their quotidian migration (discovery.com).
Inside each jellyfish is cultured algae. It is for this reason that the jellyfish require the sunlight they so religiously follow (photosynthesis). To fertilize this algae the jellyfish sink down to the bottom, which is a layer of hydrogen sulfide. Humans cannot survive for more than 5 minutes at this level because oxygen cannot enter the pores. In between the salt water above and the hydrogen sulfide lies a thick red layer.
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