[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-1354":3},{"preview":4,"open":14,"missing":35},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":17,"access":18,"updated":19,"previous_id":20,"next_id":21,"previous":22,"next":26,"first":30},1354,56,64,"C1","reading","missing_paragraphs","reading_missing_paragraphs","Mapping the Ocean Floor","mapping-the-ocean-floor",null,"It is a frequently cited irony that we have more detailed maps of the surface of Mars than we do of the floor of our own oceans. Despite covering more than seventy percent of the planet's surface and exerting a decisive influence on climate, weather, and biodiversity, the deep ocean remains, in cartographic terms…",[],"login","pro","2026-10-02T14:14:49",1353,1355,{"id":20,"number":23,"title":24,"slug":25},55,"The Invention of Loneliness","the-invention-of-loneliness",{"id":21,"number":27,"title":28,"slug":29},57,"The Trouble with Genius","the-trouble-with-genius",{"id":31,"number":32,"title":33,"slug":34},1299,1,"From Ruin to Dream Home","from-ruin-to-dream-home",false]