pesticides
Chemicals used to destroy insects and other pests.
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Science and Technology
Pasteur, Louis
(1822-1895) French scientist who discovered the link between germs and disease. He also showed that killing germs, often prevented the spread of certain diseases.
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Parthenon
A large temple dedicated to the goddess Athena on the Acropolis in Athens, Greece. It was built in the 5th century BCE, during the Athenian golden age.
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Pantheon
A domed temple in Rome that was completed in 27 BCE, and still stands today.
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Pahlavi, Muhammad Reza
(1919-1980), Dictator ruler of Iran from 1941 to 1979. He was supported by the United States throughout most of the Cold War due to his anti communist stance. Overthrown during the Iranian Revolution in 1979.
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nuclear weapons
Weapons in which the explosive potential is controlled by nuclear fission or fusion.
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Newcomen, Thomas
(1663-1729) Developed a steam engine powered by coal.
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Neolithic Revolution
(10,000 - 8,000 BCE) The development of agriculture and the domestication of animals as a food source. This led to the development of permanent settlements and the start of civilization.
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Neolithic Age
(10,000 BCE - 5000 BCE) New Stone Age. A period of time in human history characterized by the development of agriculture and permanent settlements.
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NASA / National Aeronautical and Space Administration
American space agency responsible for administrating the United Stateﾒs space program.
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