Subtitled in Arabic4:15Where do math symbols come from?John David WaltersTranslated by Youmna BayoumiReviewed by Khaled Shaaban
Subtitled in FrenchComment fonctionne votre système musculaire - Emma BryceTranslated by Annabelle Desrochers-BeaudetReviewed by Youmna Bayoumi
Subtitled in French12:11A practical way to help the homeless find work and safetyRichard J. BerryTranslated by Morgane QuilfenReviewed by Youmna Bayoumi
