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Who was Carolus Linnaeus, and what were his important contributions?

Carolus Linnaeus did most of his work at Uppsala University in Sweden. The University of California Berkeley's Museum of Palaeontology describes Linnaeus' taxonomic system. He developed the method of assigning organisms various names according to a set hierarchy based on shared physical characteristics. Linnaeus organized plants according to the number and order of reproductive organs. The stamens, or male organs, determined the class, and the female organs, or pistils, determined the pistils.\nLinnaeus pioneered the use of genera to classify organisms. Biologists since Aristotle had..

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When was copper first discovered?

Originally, copper was difficult to acquire, making it valuable. Ancient societies used it for jewelry and ornaments. The Chinese started to use the metal around 2800 B.C, while the Egyptians began to use it around 3500 B.C. The process for separating copper from rock improved during 3000 B.C, which made its usage more common. Pure copper was very soft, which made it a poor choice in tools and weapons. The creation of a stronger metal, bronze, replaced copper in most tools by 2500 B.C.

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What are the side affects of Agent Orange testing?

U.S. veterans with Agent Orange-associated disorders may be eligible for health care and financial compensation through the Department of Veterans Affairs. Any veteran who served during the Vietnam War or who was posted near the Korean Demilitarized Zone between 1968 and 1971 does not need to provide evidence of exposure in order to receive benefits for Agent Orange-associated disabilities.\nFrom the 1940s through the 1960s, the U.S. military also tested or stored Agent Orange at a number of locations in the United States, Canada and Puerto Rico. In particular, heavy testing occurred at Florid..

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What did men wear in ancient Greece?

Ancient Greeks made their clothing from wool or linen and wore heavier clothing in colder temperatures. They fastened their clothing with pins, belts and buttons. Men in ancient Greece wore broad-brimmed hats outdoors, particularly for horseback riding.\nThe chiton was typically made from linen and was a lightweight garment for warmer temperatures. The heavier wool tunic was called a peplos and was floor-length. Both men and women wore the peplos in ancient Greece. The chiton was also worn by both sexes, though a woman's chiton would be floor-length rather than knee-length.\nA short cloak..

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When did Martin Luther King Jr. marry Coretta Scott?

Martin and Coretta met in Boston in 1952 after being introduced by a friend. Martin had a previous serious relationship while studying at Coziers Seminary with a Caucasian woman, but the relationship was terminated due to perceived concerns about interracial relationship difficulties. Martin was born on Jan. 15, 1929, in Atlanta, Ga., and Coretta was born on April 27, 1927, in Heiberger, Ala.

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What is Karen Finney famous for?

Following the attacks on Sept. 11, 2011, Finney worked as the crisis communications manager for the New York City Board of Education. After working for Elizabeth Edwards during her husband John's bid for the Vice Presidency in 2004, Finney became communications director for the Democratic National Committee, a role that brought her significant airtime on television. Finney had a year-long television show on MSNBC that debuted in 2013. As of 2015, Finney serves as strategic communications adviser and senior spokesperson to Hillary Clinton's 2016 presidential campaign.

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What were Jimmy Carter's failures?

Despite early successes, Carter failed to form alliances with Congressional leaders and secure passage of key legislation. He overlooked high-ranking party members and filled his cabinet with political outsiders who failed to develop working relationships with legislators. He further alienated Congressional leaders by refusing to compromise his ideals or negotiate differences. He refused to engage in “back-door” deals and vetoed bills that he considered wasteful spending. Congress reacted by gutting his tax plans, overriding vetoes and blocking energy initiatives and welfare reform plans.\..

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What type of government characterized ancient Sumer?

Sumerians were among the earliest settlers in ancient Mesopotamia. By 4,000 B.C. the people had organized themselves into separate city-states, which were in a state of constant warfare. They battled each other about key economic, political and social resources. Each city-state was governed by a king and had several holy temples, or ziggurats, dedicated to the different gods and goddesses they worshipped.\nThe social class system was as follows, in order of highest to lowest: kings and priests, merchants, scribes and artisans, and lastly, farmers.

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Who discovered gunpowder?

Emperor Wu Di financed research during the Han Dynasty for the Taoist alchemists to mix sulfur and saltpeter. The original reason for this research was to focus on secrets of eternal life. Chinese alchemist Wei Boyanghe wrote the "Book of the Kinship of the Three," which detailed the experiments. The Chinese first launched gunpowder tubes using arrows; however, they soon discovered that gunpowder tubes could launch on their own due to power from the gas that escapes.

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What were some of Nicolaus Copernicus' accomplishments?

According to NASA, Nicolaus Copernicus is most famous for the heliocentric, also known as sun-centered, theory of astronomy. The heliocentric theory is the theory that the planets orbit around the sun. Before Copernicus, the main scientific belief was Ptolemy's geocentric theory, which stated that Earth was the center of the universe and that the sun and planets revolved around it. Because his theory directly opposed what the majority of people believed, Copernicus faced a great deal of opposition from both the Catholic Church and the scientific community of the 15th century.\nBecause Cop..

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