Mostrando resultados por autor "Charles Rivers" en Todas las categorías

As a basic definition, it may be said that an Ice Age is simply a period of time during which thick ice sheets cover vast areas of land. These sheets have advanced and retreated, at times taking over the entire planet, and conversely disappearing nearly altogether. Glacial ice formed by this regularly occurring process does not sit in a state of inertia, but moves dynamically, reshaping the geological features of the continents.

The Pleistocene spans a period from around 2.5 million years ago (mya) to just over 12,000 years ago, and it was an epoch of enormous change on Earth, mainly characterized by climate changes involving fluctuations between periods of extreme heat and long periods of glaciation. This period is commonly known as the Ice Age, despite the fact there were actually a number of separate periods of cold. The Pleistocene Era: The History of the Ice Age and the Dawn of Modern Humans looks at the development of the era, what life on Earth was like, and the origins of archaic humans.

The early history of Earth covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras. The current view of science is that Earth is around 4.6 billion years old, but despite all of the scientific advances made in the past few centuries, including an enhanced understanding of Earth’s geological past, relatively little is known about the planet’s early history.

Different branches of the same religion are the exception more than the rule, and they have had a profound impact upon history. The schism between the Orthodox and Catholic Churches influenced relationships between nations across Europe, and religious intolerance based on different Christian faiths led to persecution and outright violence across the continent for centuries.

Since the early days of human warfare, which may date back to the Stone Age, combatants have sought to gain an advantage through the acquisition of secret information. With the growth of technology, a parallel advantage was sought through the application of numerous types of torture. In the 19th century, the concept of manipulation was added to military tactics, an attempt to influence the minds of assassins, double agents, and world leaders alike to act against their natures.

El estudio de los evangelios apócrifos - relatos de la vida o dichos de Jesús que no entraron al Nuevo Testamento - es una disciplina popular entre los académicos que llena ya varios estantes de cualquier biblioteca respetable.

They call themselves "Niitsitapi" ("Original People"), but in the United States, they are known as the Blackfeet. In Canada, they are known by their more particular band names, one of which is Blackfoot, but regardless of the name, they are a tribe of Native American peoples ("First Nations" in Canada) who, until the modern time period, lived in small, decentralized bands and hunted the bison on the northern Great Plains.

Otherwise known as the “Roma” or by their popular misnomer “the gypsies”, the members of this highly undervalued and grossly misrepresented community have long been considered outcasts. More often than not, the Romani are branded by even those who fancy themselves liberals as “pikeys”, “gyppos”, and “gips”. There's also a regrettably common term “gypped” meaning “to cheat, or swindle” which perpetuates the damaging stereotype that the Roma are dishonest nuisances and societal pests.

Few participants in World War I are more famous than Manfred Albrecht Freiherr von Richthofen, better known as the Red Baron. A German known for victories in a war that his country lost, a cavalry officer made famous as mounted combat disappeared, and an aristocratic hero in a century dominated by democracy; Richthofen's celebrity stands in stark contrast to the era.

Scotland is a fascinating and ancient land filled with history. Not everything in Scotland is as it appears, however. Some Scots say this is a land haunted by spirits, a place of strange disappearances and unexplained phenomena. The Ghosts of Scotland: A Collection of Ghost Stories Across the Scottish Nation is a collection of such tales, just a few among the thousands of local legends and modern sightings that make Scotland one of the most haunted countries in the world.

The OSS and CIA: The History of America’s Intelligence Community during World War II and the Establishment of the Central Intelligence Agency looks at the agencies’ organizational characteristics, historical inception, early Cold War growth, and recent influence. You will learn about the OSS and CIA like never before.

Of all the colorful characters that inhabited the West during the 19th century, the man who has earned an enduring legacy as the region's quirkiest is John Henry "Doc" Holliday (1851-1887), a dentist turned professional gambler who was widely recognized as one of the fastest draws in the West. In fact, the only thing that might have been faster than the deadly gunman's draw was his violent temper, which was easily set off when Holliday was drunk. By the early 1880s, Holliday had been arrested nearly 20 times.

The reign of the Khmer Rouge, a Cambodian communist regime, began on April 7, 1975 as Khmer Rouge militants entered the Cambodian capital of Phnom Penh, ultimately gaining control and forcing out its residents. For the next four years, the regime would remain in power and commit what is now referred to as the Cambodian Genocide. Their reign would result in economic turmoil, cultural destruction, and mass death, impacting Cambodia to this day.

As technological advances and the creation of flying aircraft became realities, the sighting of UFOs increased, as did the interest in potential contact with aliens. It would hardly be groundbreaking for scientists in the 20th century to have a lunchtime discussion in which the search for extraterrestrial life arises, and the question of where it might reside is innocuous enough. However, a furor was created somewhat innocently when physicist Enrico Fermi voiced his “casual lunchtime remark” in the presence of colleagues in 1950.

The United States has one of the most technically sound criminal justice systems in the world. Mostly derived from English common law, the U.S. Constitution explicitly lays out when and how a citizen can be searched and arrested, as well as their other rights to trial. But, as with many of the Constitution’s powers, the experiences of the colonists at the hands of the British shaped our legal system’s criminal procedure laws.

El surgimiento de sociedades secretas ha sido siempre una de las facetas más fascinantes de la civilización, un fenómeno que ha estado presente desde el nacimiento de la humanidad. Incluso siglos después de ser fundadas, algunas de ellas continúan siendo bien conocidas, como la sociedad de los Caballeros Templarios, un grupo de guerreros armados que procedían de Tierra Santa.

There exists, an indispensable subculture based within a 500-mile radius of the coastal South Atlantic states and Sea Islands. These culture bearers, who refer to themselves as the Gullah Geechee, or the “Gullah” for short, are the descendants and rightful heirs of the once-shackled slaves who resided in these parts. As the guardians and torch holders of the incredible legacy left behind by their persevering ancestors, the modern Gullah spare no effort in preserving the inherently unique customs and traditions, complete with their own creole tongue.

To say Edith Stein lived a remarkable life would be a dramatic understatement. Born in Breslau (then part of Germany) at the end of the 19th century, Edith was raised as an observant jew, only to turn her back on religion right around the time World War I devastated the continent. In the wake of the war, during which she earned a doctorate and began working as an assistant at the University of Freiburg, she began reading the works of the legendary St. Teresa of Ávila, one of the most influential Catholic saints in history.

The Neolithic period came before the Bronze Age and is generally regarded as the final subdivision of the Stone Age. During this time, communities domesticated plants and certain animals but still relied on hunting and gathering to a considerable extent, and beginning sometime around 7000 BCE, handmade pottery was developed, along with more advanced stone axes that enabled people to clear vast forests.

The Vikings in Iceland: The History of the Norse Expeditions and Settlements Bcross Iceland looks at the history of the Vikings’ activities in Iceland, and how they affected subsequent exploration and colonization. You will learn about the Vikings in Iceland like never before.