[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-1353":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},1353,55,64,"C1","reading","missing_paragraphs","reading_missing_paragraphs","The Invention of Loneliness","the-invention-of-loneliness",null,"Loneliness, as we currently understand it, is a surprisingly modern concept. The word itself did not appear in English until the early seventeenth century, and even then it carried none of the pathological weight it bears today. For most of human history, solitude was an unremarkable feature of life rather than a…",[],"login","pro","2026-10-02T14:14:49",1352,1354,{"id":20,"number":23,"title":24,"slug":25},54,"The Science of Trust","the-science-of-trust",{"id":21,"number":27,"title":28,"slug":29},56,"Mapping the Ocean Floor","mapping-the-ocean-floor",{"id":31,"number":32,"title":33,"slug":34},1299,1,"From Ruin to Dream Home","from-ruin-to-dream-home",false]