Learn about World Sleep Day, an annual event promoting sleep health and raising awareness for sleep disorders and deprivation.

Watch as astronauts train for spacewalks in NASA's Neutral Buoyancy Laboratory, a massive swimming pool-like facility that simulates microgravity conditions.

Watch as actor Will Smith samples and reacts to different cuisines and dishes from around the world.

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Watch as Darth Vader takes a break from the dark side to savor a plate of spaghetti in this humorous and unexpected scene.

Learn the process of growing cotton, from planting seeds to harvesting fibers, and transforming them into yarn and fabric.

A candid moment of actor Vin Diesel with a mobile phone in front of his face, captured on camera.