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

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？

German Chancellor Angela Merkel is seen eating spaghetti, a rare glimpse into her personal life.

Watch as a curious canine enjoys a sweet treat, devouring a cake in this entertaining video.

Watch Dwayne 'The Rock' Johnson showcase his vocal skills in a lively big band jazz performance, blending his charisma with classic jazz sounds.

Watch Kermit the Frog bust a move with his signature default dance from the Muppets franchise.

Actor Tom Hanks stands outside in his yard with two massive dogs that dwarf him in size, showcasing their impressive height and gentle nature.