HumanMindPower.com

A ziggurat is a pyramidal structure built in receding tiers upon a rectangular, oval, or square platform with a shrine at its summit. Access to the shrine is provided by a series of ramps located on one side of the temple or by a continuous spiral ramp. These temples—the earliest examples of which date to […]

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 […]

Ricardo was a British economist who made a fortune in the stock market before turning to the study of political economy, publishing his major work, The Principles of Political Economy and Taxation, in 1817. According to his labor theory of value, the value of almost any good is a function of the labor needed to […]

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 […]

The Battles of Lexington and Concord were the opening engagements of the American Revolution. While marching from Boston to Concord to seize colonists' military stores, a British force of 700 was met at Lexington by 77 local minutemen. After a brief exchange of shots, the outnumbered colonists fell back. The British continued on to Concord, […]

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 […]