Subtitled in Kazakh4:17Can you change your sleep schedule?TED-EdTranslated by Botagoz KuanyshovaReviewed by Bakytgul Salykhova
Subtitled in Kazakh4:32What's the smartest age?Shannon OdellTranslated by Botagoz KuanyshovaReviewed by Bakytgul Salykhova
