宇宙為什麼憑空存在?138億年大爆炸之前,奇點從哪來?【熊貓周周】 Click Cancel Mute Play next after 5 s 宇宙為什麼憑空存在?138億年大爆炸之前,奇點從哪來?【熊貓周周】 | 2 years ago 3.1K | 2 years ago | Popular science 0 Share Panda Chou Follow
08:30 There Is An Invisible Shield Around Earth Humans Created By Accident BRIGHT-SIDE 4.2K | 2 years ago
05:06 Where will you be able to live in 20 years? – Carol Farbotko and Ingrid Boas TED·Ed 4.2K | 2 years ago
05:56 意外怀孕怎么办?吃药还是做手术?希望你永远都用不上这份科普 What should do about an unexpected pregnancy?Take medicine or surgery? ChaiKnows 3.1K | 2 years ago
14:31 10 Most Mysterious Recent Archaeological Discoveries! Origins Explained Series 929 | 2 years ago
05:31 Run, sail, or hide? How to survive the destruction of Pompeii – Gary Devore TED·Ed 1.9K | 2 years ago
03:20 CapitolTV’s DISTRICT VOICES – District 5: Electric Sparks From Falling Water Veritasium channel 5K | 2 years ago
06:20 花生米和豆腐干同嚼有火腿味?为什么潮汕人爱用荔枝蘸酱油?Do peanuts and dried tofu taste like ham when eaten together? ChaiKnows 990 | 2 years ago