Inside the Brain: How We Recognize Faces

Examine fast-moving artificial intelligence tools, their capacity to solve difficult problems and the risks created when powerful systems escape meaningful control.

Use sleepwalking, anesthesia, game theory and neuroscience to explore the subconscious forces influencing choices before conscious thought catches up.

Enter the subatomic realm where observation changes outcomes, particles occupy multiple states and entanglement challenges ordinary ideas of distance.

Discover unpublished and rarely seen photographs from the Battle of Berlin in 1945, brought together in an exclusive collection for history enthusiasts. More than 200 historical photographs take you through the final days of the Third Reich and reveal scenes rarely shown in documentaries. World War II transformed the United States from a power trying to stay out of the European conflict into one of the most powerful military forces in history. While Germany was conquering much of Europe and Japan was expanding its dominance across Asia and the Pacific, Washington progressively supported the Allies with weapons, supplies, and economic aid. However, everything changed on December 7, 1941, when Japan attacked Pearl Harbor. The following day, the United States declared war on Japan, and a few days later, Germany and Italy declared war on the United States. The country officially entered a war that had already changed the world. Starting in 1942, the United States had to fight simultaneously on two massive theaters of war. In the Pacific, its forces faced the Japanese Empire in decisive battles such as Midway

On October 2, 1987, a Boston police officer responding to a domestic disturbance call was fatally wounded. Local authorities launched a citywide manhunt, but were only able to find the fingerprints of the chief suspect.

Extreme Transport: Hauling a 206-Ton Transformer Through the Jungle | FD Engineering A 206-ton transformer must travel nearly 4,000 kilometers across Brazil to reach a remote hydroelectric plant deep in the rainforest. After weeks on the road, the heavy-haul specialists face the most dangerous part of the journey: 100 kilometers of punishing dirt tracks, steep gradients, aging wooden bridges and scorching 40°C heat. But the greatest obstacle is a remote river crossing. With no bridge capable of carrying the enormous load, the team must maneuver the transformer onto a small reinforced car ferry operating close to its limits. From failing equipment and damaged tires to treacherous roads where previous transports have ended in disaster, every kilometer puts men and machinery to the test. Follow an extraordinary heavy-haul operation through some of Brazil's most unforgiving terrain. ▬▬▬▬▬▬▬▬▬ ▬▬▬▬▬▬▬▬▬ “Engineering: the branch of science and technology concerned with the design, building and use of engines, machines and structures.” So says the Webster definition. Our newest Free Documentary family member, Free Documentary - Engineering, is all about engineering - and bringing our community