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？

Watch as Dwayne 'The Rock' Johnson humorously takes a literal rock for a stroll, showcasing his playful personality.

Learn how to safely and effectively fire a gun without revealing your position or identity.

Debunking the myth: Space Shuttles were designed for low-Earth orbit, not lunar missions. Explore the facts behind the Space Shuttle program.

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

Footage of busy city streets on a rainy day, with people rushing to their destinations under colorful umbrellas.

A lighthearted moment in the Oval Office as Vice President Mike Pence shows off his breakdancing skills.