Watch LaterAdded 04:20 神奇自然 Nature’s fortress: How cacti keep water in and predators out – Lucas C. Majure
Watch LaterAdded 05:10 說地方與人 NASA’s first software engineer: Margaret Hamilton – Matt Porter & Margaret Hamilton
Watch LaterAdded 04:14 說地方與人 Notes of a native son: The world according to James Baldwin – Christina Greer