Subtitled in Czech4:43Could the Earth be swallowed by a black hole?Fabio PacucciTranslated by Lukas HavelReviewed by Katerina Marko Jaburkova
Subtitled in Czech8:56What your smart devices know (and share) about youKashmir Hill and Surya MattuTranslated by Kateřina KrálováReviewed by Lukas Havel
