Get a thrilling first-person view of a roller coaster ride, with sharp turns, steep drops, and high speeds.

Watch Dwayne Johnson showcase his vocal skills in this entertaining video of him singing.

Watch as a canine cosplayer channels the Dark Lord in a hilarious and adorable costume.

A glimpse into the daily life of an Indian man as he goes about his job, highlighting his skills and dedication.

Allan Kardec discusses his seminal work, The Spirits' Book, a foundational text of Spiritism that explores communication with the spirit world.

The U-44 was a German U-boat that served in World War I, part of the U-43 class of submarines.

A highly detailed, black and white pencil drawing of a neuron network, with hundreds of neurons ranging in size, and active synapses glowing, in a cartoon comic book style.