In 1965, archeologists excavating ancient tombs in Hubei, China, discovered a bronze sword sheathed tightly in a wooden scabbard. The weapon had been in a wet, underground tomb for over 2,000 years, yet the blade remained untarnished and sharp. Scientists, amazed by the sword's resilience, tested it to determine its chemical composition and found it […]
Astrobiology, also called exobiology, combines aspects of astronomy, biology, and geology in an interdisciplinary study of life in space. According to astrobiologists, the search for extraterrestrial life throughout the universe is governed by 6 basic parameters that determine whether an environment can support life: temperature, pressure, salinity, acidity, water availability, and oxygen content. Which 3 […]
"Vomit Comet" is a nickname for any airplane that briefly provides passengers with a nearly weightless environment by following a parabolic vertical flight path. The aircraft mimics the trajectory of an object in free-fall and therefore does not exert any g-force on its contents. As a result, passengers have zero apparent weight relative to the […]
Darrow was an American lawyer and a leading member of the American Civil Liberties Union. He worked to free anarchists charged with murder in the Haymarket Riot, and his defense of Eugene V. Debs established his reputation as a union lawyer. Later came sensational criminal cases that displayed his eminence as a defense lawyer, especially […]
The son of a financier, Morgan began his career as an accountant before being named a partner in the firm that became J.P. Morgan and Company. One of the world's most powerful railroad magnates, he formed a syndicate to supply the US Treasury's depleted gold reserves and financed the mergers that formed General Electric and […]
Mansart was a French architect and town planner who completed the Palace of Versailles. Favored by Louis XIV, he was made the chief architect for royal buildings. After enlarging the château of Saint-Germain-en-Laye, he began work at Versailles. Much of his work was executed in Roman baroque style, but some of his designs at Versailles […]
With a capacity of over 60,000 people, St. Peter's Basilica is the one of the world's largest churches as well as one of the world's holiest Catholic sites. Begun by Pope Julius II in 1506 and completed more than a century later, it was built to replace Old St. Peter's, erected by Constantine over Peter's […]
Less than a year after the first lunar landing, Apollo 13 departed for the moon. Two days into the mission, an oxygen tank exploded, severely damaging the spacecraft's electrical system, and the landing had to be aborted. Despite limited power, loss of cabin heat, a shortage of potable water, and the need to improvise a […]
Lasting from the end of WWII until 1991, the Cold War was a period of political hostility and military tension between the Western powers, primarily the US and its allies, and the Communist bloc. Although there were a number of military conflicts during this time, including the Berlin Blockade, the Korean War, the Vietnam War, […]