Subtitled in Chinese, Simplified4:21Sunlight is way older than you thinkSten OdenwaldTranslated by Winaer ZhangReviewed by Kai Ma
Subtitled in Chinese, Simplified3:58Can you solve the river crossing riddle?Lisa WinerTranslated by Kai MaReviewed by Marini Qian
Subtitled in Chinese, Simplified4:23What's the fastest way to alphabetize your bookshelf?Chand JohnTranslated by Kai MaReviewed by Mingyu Cui
Subtitled in Chinese, Simplified13:36We need nuclear power to solve climate changeJoe LassiterTranslated by Kai MaReviewed by Jing Peng