Senator Bernie Sanders takes a break from campaigning to grab a quick bite at a fast food restaurant, giving a glimpse into his eating habits on the road.

A young girl's joyful reaction as she chases a yellow balloon, capturing a sweet and carefree moment of childhood innocence.

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？

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

Watch as a car appears to teleport to different locations around the city at night, its lights illuminating the dark streets.

Learn about the life and achievements of Bill Gates, from his childhood to co-founding Microsoft and becoming a philanthropic leader.

A rare glimpse of a bald, bearded astronaut in space, highlighting diversity in space exploration.