{"id":"01KK9EXCK7P4KKRHE8FGFYVHE0","cid":"bafkreiaxsunc7tfmufdapgdxrldcr55fvxylmg2h5tcgzctcp3zv6z67ay","type":"chemical_element","properties":{"_kg_layer":0,"atomic_number":"84","description":"A rare and highly radioactive metal, discovered by Marie and Pierre Curie.","discoverer":"Marie and Pierre Curie","discoverers":"Marie and Pierre Curie","label":"polonium","radioactivity":"highly radioactive","symbol":"Po"},"relationships":[{"peer":"01KK9DYQHYM1KBK913YD6TGTRB","peer_type":"collection","predicate":"collection"},{"peer":"01KK9EXBXYWZKTT8RAAN4SJRPR","peer_label":"Marie Curie","predicate":"referenced_by","properties":{"context":"discovered","source":{"id":"01KK9FW3C3K7KT0W6BZQ64H7N7","label":"Marie Curie was born in Warsaw, Poland in 1867. Sh","type":"text_chunk"},"source_text":"Together with her husband Pierre Curie, she discovered the elements polonium and radium."}},{"peer":"01KK9EW7ZMQ6NW4K0CHM8JZFT4","peer_label":"Marie Curie was born in Warsaw, Poland in 1867. Sh","predicate":"extracted_from","properties":{"extracted_at":"2026-03-09T14:09:46.374Z","source":{"id":"01KK9EW7ZMQ6NW4K0CHM8JZFT4","label":"Marie Curie was born in Warsaw, Poland in 1867. Sh","type":"text_chunk"}}},{"peer":"01KK9FW3C3K7KT0W6BZQ64H7N7","peer_label":"Marie Curie was born in Warsaw, Poland in 1867. Sh","predicate":"extracted_from","properties":{"extracted_at":"2026-03-09T14:26:58.655Z","source":{"id":"01KK9FW3C3K7KT0W6BZQ64H7N7","label":"Marie Curie was born in Warsaw, Poland in 1867. Sh","type":"text_chunk"}}}],"ver":3,"created_at":"2026-03-09T14:09:44.551Z","ts":"2026-03-09T14:26:59.322Z","edited_by":{"method":"system","user_id":"01KJ60XQBHJ0GBGTP9X8HXAPPM"}}