Watch LaterAdded 05:05 驚奇動物 The surprising secrets of hummingbird flight – Kristiina J. Hurme and Alejandro Rico-Guevara
Watch LaterAdded 05:20 說氣候變遷 The surprisingly long history of electric cars – Daniel Sperling and Gil Tal
Watch LaterAdded 04:59 說量子力學 This thought experiment will help you understand quantum mechanics – Matteo Fadel
