Our Magnificent Ocean.

The article "Our Magnificent Ocean" in Nautilus discusses Richard Powers' three greatest revelations while writing his novel, Playground. The first revelation is that the ocean represents 99 percent of the biosphere, highlighting the vastness of marine habitats compared to terrestrial ones. The second revelation focuses on Powers falling in love with manta rays and their remarkable cognitive abilities. Lastly, Powers emphasizes the fact that almost all of the ocean remains unexplored, with only 5 percent of the oceans explored and roughly 1 million species yet to be discovered. The article underscores the importance of understanding our impact on the ocean and the interconnectedness of all life on Earth. [Extracted from the article]