Russian President Vladimir Putin is seen eating spaghetti in a rare casual moment, showcasing a lighter side of the leader.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

Discover the basics of hydroponics in this 1-day training course, covering soilless growing methods, system design, and plant care.

Explore how robots are being integrated into classrooms to enhance STEM education and promote interactive learning experiences for students.

A detailed look at the NASA space shuttle, its design, capabilities, and historic missions.

习惯可以改变一个人，好的习惯让我们变得更好，坏的习惯让我们不由自主。如何养成好的习惯，改变自己？

A demonstration of a USB pen drive being physically broken in half by hand, highlighting its fragility.