Subtitled in Vietnamese4:22Is it possible to create a perfect vacuum?Rolf Landua and Anais RassatTranslated by Tam NguyenReviewed by Phat Nguyen
Subtitled in VietnameseHệ cơ bắp hoạt động như thế nào - Emma BryceTranslated by Tam NguyenReviewed by Huyen Truong
Subtitled in Vietnamese5:03When is water safe to drink?Mia NacamulliTranslated by Tam NguyenReviewed by Vy Tran
