idealized realism
Art form practiced by the Greeks during the 5th century BCE. Portrays the human form very realistically, but in its perfect form.
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Science and Technology
Ibn Sina
Islamic physician, wrote a book called Canon on Medicine, which was an encyclopedia of Greek, Arabic, and his own knowledge of medicine. This book became the standard medical text in Europe for over five hundred years.
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Hubble Space Telescope
Large space telescope able to see farther than any other telescope at the end of the 20th century.
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Hiroshima
Japanese city devastated during World War II when the United States dropped the first atomic bomb on Aug 6th, 1945.
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Hippocratic Oath
An promise made new physicians to treat all people fairly, and to seek to preserve life. Named after a ancient Greek physician who is credited with writing it.
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hieroglyphics
A system of writing which uses pictures for concepts and ideas.
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Hellenistic
Time period from the late 4th century BCE to the 1st century CE that was characterized by Greek achievement and a blending of Persian, Egyptian, Greek, and Indian cultures due to the empire of Alexander the Great.
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gunpowder
Chemical compound that burns very quickly. Used in weaponry.
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greenhouse gas
A gas such as carbon dioxide, ozone, or water vapor that are a factoring the warming of the Earthﾒs atmosphere.
Subject:
Green Revolution
Throughout the 20th century, scientists worked on improving agriculture, especially in areas with high populations. Some of the technologies developed included better irrigation systems so farmers could get water to their crops. New machinery was built to handle larger production and to take the burden of agriculture work off of humans. New chemical fertilizers and pesticides were created to increase food production, and new varieties of grains and livestock were developed also for greater production. The Green Revolution has had only limited success.
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Pages
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