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Explore the fiery heart of Hawaii -- from volcanic eruptions spewing rivers of molten lava to spiders that smile, fish that climb and turtles that bury secrets in a landscape that defies expectations. Learn about the monster at Hawaii's molten core, Kilauea, one of the most active volcanoes on Earth. See how Hawaii's creatures have evolved to be different from their cousins the world over. Finally, we show how 95 percent of the flora on these islands does not exist anywhere else in the world.