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<url><loc>https://ceticismo.net/2026/05/02/19-hz-a-frequencia-dos-fantasmas/</loc><news:news><news:publication><news:name>Ceticismo, Ciência e Tecnologia</news:name><news:language>pt-br</news:language></news:publication><news:publication_date>2026-05-02T12:00:00+00:00</news:publication_date><news:title>19 Hz: A Frequência dos Fantasmas</news:title><news:keywords>sons, cérebro, neurociencia, cérebro humano, neuro-comportamento, insanidade, eu hein, maneirissimo, acustica, assombração, fantasmas, lugares assombrados, infrassons</news:keywords></news:news></url><url><loc>https://ceticismo.net/2026/05/01/o-peixe-que-deixava-os-romanos-doidoes-como-no-lsd/</loc><news:news><news:publication><news:name>Ceticismo, Ciência e Tecnologia</news:name><news:language>pt-br</news:language></news:publication><news:publication_date>2026-05-01T12:00:00+00:00</news:publication_date><news:title>O peixe que deixava os romanos doidões, como no LSD</news:title><news:keywords>império romano, peixes, peixe doidão, romanos, insanidade, eu hein, ah eu tô maluco, maneirissimo, eu ri, facepalm, alucinacoes, dorgas manolo, alucinógenos</news:keywords></news:news></url></urlset>