Andrew Pace
The origin of language has puzzled scholars, linguists, archaeologists, psychologists, anthropologists, and historians for centuries. While there is no definitive answer, there are several theories about how language came to be. Some theories suggest that language evolved from the calls and gestures of human ancestors, while others propose that it emerged as a result of social transformation or as a byproduct of other evolutionary processes. The study of language and its origins is a complex and ongoing field, with new insights and perspectives emerging over time.
| Characteristics | Values |
|---|---|
| Word "science" | Derived from the Latin word "scientia", meaning knowledge |
| Coined the term "scientist" | Philosopher William Whewell |
| Idea of Daylight Savings Time | Benjamin Franklin |
| Inventor of School | Unknown, but ancient China had a surprisingly developed form of school education |
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What You'll Learn
- Democracy: Athenian democracy was based on freedom and equality of citizens
- Language: Berwick and Chomsky suggest language emerged between 200,000 and 60,000 years ago
- The Periodic Table: Russian chemist Dmitri Mendeleev created the framework for the modern periodic table in 1869
- The Theory of Relativity: Albert Einstein published the theory of special relativity in 1905, transforming theoretical physics and astronomy
- Spiritual democracy: Zoroastrianism promoted spiritual and political democracy, emphasising individual judgement and non-discrimination in civic decision-making
Democracy: Athenian democracy was based on freedom and equality of citizens
Democracy is a form of government in which political power is vested in the people or the population of a state. The word "democracy" comes from two Greek words that mean "people" (demos) and "rule" (kratos). Democracy is the idea that the citizens of a country should take an active role in the government of their country and manage it directly or through elected representatives.
The first known democracy in the world was in Athens, in the 5th century BCE. Athenian democracy was direct, rather than representative, meaning that male Athenian citizens themselves made up the Assembly and took an active role in the government. To be eligible to participate in the Assembly, a person had to be free, male, and Athenian. Athenian democracy was based on freedom of citizens (through the reforms of Solon) and on equality of citizens (isonomia). To preserve these principles, the Athenians used a lottery system for selecting officials. Casting lots aimed to ensure that all citizens were "equally" qualified for office, and to avoid any corruption, allotment machines were used.
While Athenian democracy is often considered the first example of democracy, it is important to note that it was not inclusive by modern standards. Only male citizens with Athenian parents could participate in the Assembly, and Athens continued to have slaves and subjugate women. Additionally, recent scholarship has challenged the Eurocentric view that Athens was the first democracy, as other ancient societies, such as the Medes and Native American tribes, also had democratic elements.
The idea of democracy continued to evolve and spread after the Athenian model. The Roman Republic, which was influenced by Athens, amended direct democracy to create a representative democracy. This form of government later became of interest to Europeans and European colonists. Other cultures, such as the Iroquois in the Americas, also developed their own forms of democratic society.
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Language: Berwick and Chomsky suggest language emerged between 200,000 and 60,000 years ago
The evolution of language is a topic that has intrigued many scholars, and while the exact timeline of its emergence is uncertain, several theories and estimates exist. One prominent view, put forth by Berwick and Chomsky, suggests that language emerged between 200,000 and 60,000 years ago. This timeframe coincides with significant milestones in human evolution.
Berwick and Chomsky's proposed timeframe for the emergence of language is supported by several lines of evidence. Firstly, they cite the work of evolutionary geneticist Svante Pääbo, who highlights a substantial difference between Homo sapiens and Neanderthals that likely contributed to the global spread of Homo sapiens out of Africa. This suggests that a unique characteristic, such as language, may have played a role in their successful dispersal.
Additionally, the lower bound of the timeframe, 200,000 years ago, corresponds with the first appearance of anatomically modern humans in southern Africa. This suggests that the development of modern anatomy and behaviour, including symbolic language, may have emerged around the same time. The upper bound of the timeframe, 60,000 years ago, marks the last exodus of humans from Africa, indicating that language and symbolic culture were likely already established by this point.
Noam Chomsky, a proponent of discontinuity theory, further supports the idea of language emerging before humans left Africa. He argues that the ability for any human baby to learn and assimilate language and behaviour from any culture implies that no significant changes to the human language faculty have occurred since then. This suggests a common language faculty was already in place by that time.
While the Berwick and Chomsky timeframe provides a broad estimate, other scholars have proposed more specific dates within this range. For instance, Alfredo Trombetti estimated that a common ancestor language was spoken between 100,000 and 200,000 years ago, coinciding with the emergence of anatomically modern humans. Johanna Nichols argued for a similar timeframe, suggesting that vocal languages began diversifying at least 100,000 years ago.
In conclusion, the suggestion by Berwick and Chomsky that language emerged between 200,000 and 60,000 years ago is supported by evidence from human evolution, anatomy, and cultural dispersal. While the exact timeline of language evolution remains a subject of ongoing research and debate, the impact of language on human history and its role in shaping our species is undeniable.
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The Periodic Table: Russian chemist Dmitri Mendeleev created the framework for the modern periodic table in 1869
The periodic table is a central tool in the study of chemistry, used to organise all known chemical elements in a coherent way. The development of the periodic table was a long process that involved many scientists over hundreds of years. However, the framework for the modern periodic table was created by Russian chemist Dmitri Mendeleev in 1869.
Mendeleev's table consisted of the 60 elements that were known at the time. He focused on arranging the elements according to their atomic mass, leaving gaps for elements that were yet to be discovered. When his periodic table was arranged in order of increasing atomic mass, patterns emerged in the elements in the table at regular intervals. Mendeleev predicted the properties of some undiscovered elements and gave them names such as "eka-aluminium" for an element with properties similar to aluminium. Later, eka-aluminium was discovered as gallium.
Mendeleev's work built on that of English chemist John Newlands, who in 1864 classified the elements by arranging them in order of their atomic weight. Newlands noticed that every eighth element seemed to have similar chemical properties, and he called this the law of octaves, drawing a comparison with the octaves of music. However, Newlands did not leave any gaps for undiscovered elements in his table, and sometimes had to put two elements in one box to keep the pattern.
Other scientists who made major contributions to the development of the periodic table include Antoine-Laurent de Lavoisier, Johann Wolfgang Döbereiner, Julius Lothar Meyer, Glenn T. Seaborg, and more.
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The Theory of Relativity: Albert Einstein published the theory of special relativity in 1905, transforming theoretical physics and astronomy
Albert Einstein's theory of relativity, first published in 1905, is split into two interrelated physics theories: special relativity and general relativity. Special relativity applies to all physical phenomena in the absence of gravity, while general relativity explains the law of gravitation and its relation to the forces of nature.
Einstein's theory of special relativity was built on many theoretical results and empirical findings obtained by Albert A. Michelson, Hendrik Lorentz, Henri Poincaré, and others. In 1905, Einstein published two articles on the Special Theory of Relativity. The first paper, completed in June, discussed the properties of light and time. Three months later, he finished a second, shorter article—an addendum to his previous paper—describing a "very interesting conclusion" about energy. This energy-mass equivalence is summarised in the equation E=mc^2, which shows that mass and energy are different forms of the same thing.
General relativity, on the other hand, was developed between 1907 and 1915, with contributions by many others after 1915. The final form of general relativity was published in 1916. Einstein discussed his idea with mathematician Marcel Grossmann, and they concluded that general relativity could be formulated in the context of Riemannian geometry, developed in the 1800s. In 1915, Einstein laid the foundation of the theory in four papers, using general relativity to explain the precession of the perihelion of Mercury.
The theory of relativity transformed theoretical physics and astronomy during the 20th century, introducing concepts such as 4-dimensional spacetime, relativity of simultaneity, kinematic and gravitational time dilation, and length contraction. It improved the science of elementary particles and their fundamental interactions and ushered in the nuclear age.
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Spiritual democracy: Zoroastrianism promoted spiritual and political democracy, emphasising individual judgement and non-discrimination in civic decision-making
Zoroastrianism, founded by the prophet Zoroaster, is a monotheistic religion that recognises spiritual equality between men and women. Zoroaster proclaimed Ahura Mazda as the supreme creator and sustaining force of the universe, working in both the visible material realm (getig) and the invisible spiritual and mental realm (menog). Ahura Mazda, also referred to as the Holy or Bountiful Spirit (Spenta Mainyu), is the source of life and goodness and is in conflict with the evil spirit Angra Mainyu, who represents deceit and tempts humans away from Ahura Mazda.
Zoroastrianism emphasises individual judgement and free will, rejecting the idea of predestination. According to Zoroastrian doctrine, humans have the choice between Asha (truth and cosmic order) and Druj (falsehood and deceit). This choice is reflected in the concept of Chinvat Bridge, where each human faces spiritual judgement after death.
In early Zoroastrianism, there is evidence that women could occupy priestly roles and receive religious education. Zoroastrian texts, such as the Avesta, affirm that women and men can be righteous and achieve salvation. However, over time, Zoroastrian theology became increasingly male-oriented and conservative, with the priesthood dominated by men.
Zoroastrianism also promotes the protection and veneration of nature and its elements, leading some to consider it the world's first proponent of ecology. The Avesta and other texts emphasise the preservation of water, earth, fire, and air, making it an ecological religion.
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Frequently asked questions
Democracy is generally associated with the efforts of ancient Greeks, whom 18th-century intellectuals considered the founders of Western civilisation. However, some scholars argue that the concept of democracy was promoted by the Iranian prophet Zoroaster in the 6th century BC.
While Thomas Edison is credited with inventing the lightbulb, several inventors contributed to its development. These include Alessandro Volta, who developed the first practical method of generating electricity in 1800, and Warren de la Rue, who in 1840 designed a lightbulb with a coiled platinum filament.
Alexander Graham Bell is credited with inventing the telephone as he was the first to patent and demonstrate a working model of the device. However, others such as Antonio Meucci, Johann Reis, and Elisha Gray have also been put forward as co-inventors.
The theory of evolution was developed by Charles Darwin, who published his famous work "On the Origin of Species" in 1859. Darwin's theory was prompted by the similar research of British naturalist Alfred Russel Wallace, who independently proposed a strikingly similar theory in 1858.
The theory of relativity encompasses two interrelated physics theories proposed by Albert Einstein: special relativity (1905) and general relativity (1915). Special relativity applies to all physical phenomena in the absence of gravity, while general relativity explains the law of gravitation and its relation to the forces of nature.
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