Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

Um esquilo é filmado no topo de uma sequoia, oferecendo uma vista impressionante da floresta ao redor.

A mysterious grey alien wearing a cowboy hat stands in a field, with an unknown liquid dripping from its fingers to the ground, set in the 1890s.

A rare glimpse of Russian President Vladimir Putin in a casual setting, enjoying a plate of spaghetti.

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

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？

President Joe Biden delivers remarks at the Right to Unite for a Livable Future event, discussing workers' rights and labor unions.