美国航空航天私营企业“萤火虫”公司（Firefly）研发制造的一台月球着陆器星期天（3月2日）凌晨在月球表面成功着陆，使其成为缔造这一创举的第二家美国私营公司。

A Chinese college student taught himself and built a robotic arm, and it's pretty cool!🤩🤩#Craftspeople #Roboticarm By Lei Xuanqi and Wang Ziyuan and Li Chenhu(intern)/China Youth Daily Source:@China ...

What is it like to live in the depths of the ocean for a month? This science-fiction-like concept is about to become a ...

Wonderful!!!A 12-year-old boy built a building using only mortise-and-tenon joints and bamboo pegs, without a single nail.#Chinayouth By Li Yuanyuan and Long Chuyan(intern)/China Youth Daily ...