On December 10, 1954, an American physician and United States Air Force officer strapped himself into a rocket sled at Holloman Air Force Base.

Losing the ability to remember what happened just minutes ago forces a person into a reality where every single morning resets their mind to a day in 1994.

Winning the highest scientific award seems like a promise of flawless logic.

In 1978, a Soviet helicopter pilot flying over the remote Siberian taiga spotted deep furrows carved into a mountainside several thousand feet (over 914 meters) high.

In 1725, a prominent university dean made a discovery that promised to redefine the scientific understanding of the natural world.

In 1798, a British captain sailing the South Pacific spotted an eight-square-mile speck of land and named it “Pleasant Island.”

In 1941, an obituary appeared in The New York Times for a journalist who was very much alive. This man had faked his own death to evade Japanese forces.

Deep in the jungles of the South Pacific, men paint the letters USA on their bare chests and march in military formation carrying rifles carved from bamboo.

In 1998, the Pixar animation team watched in horror as the digital files for their upcoming feature, Toy Story 2, began to vanish from their computer screens.

High in the mountains of Da Nang, Vietnam, two colossal hands emerge from the cliffside, gripping a 492-foot shimmering walkway.