[BBC地平线.笑的科学][HD-720P-MP4][英语中字][1.27GB][2016]
人为什么会笑?笑的本质是什么?笑声在社交中有什么作用?大脑能分辨真笑和假笑吗?存在全世界通行的喜剧吗?...
[黑暗中漫舞:物理学的末日?][HD-720P-MP4][英语中字][豆瓣7.7分][1.2GB][2015]
Scientists genuinely don't know what most of our universe is made of. The atoms we're made from only make up f...