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Aristotle, who lived from 384 BC to 322 BC, taught that the heart contained the intelligence. Except for a few guesses like this, he observed carefully. He described the habits and the bodily structure (anatomy) of many animals, birds and fish. Another Greek, Galen, who lived in the second century AD, performed biological experiments. Both careful observation of living things and experiments are used today in the study of biology. Galen observed and described the internal anatomy of the human body.-He described many parts that he saw in the body. But he was not always careful. He sometimes described what he expected to see and did not look carefully to see what was really there. For centuries after Galen, people studied anatomy from his books instead of trusting their own observations.

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Earthquake is a sudden movement in Earth’s crust which produces vibration. These vibrations may be detectable only by sensitive instruments called seismographs, or else they may kill thousands as they destroy cities. Many earthquakes are caused when rocks move along faults. Severe earthquakes are most common near the edges of the «plates» in the Earth’s crust, such as around the Pacific Ocean, along the mid-Atlantic ridge and in the Mediterranean and South- West Asian regions. They occur when the plates move. So me earthquakes are caused by volcanic action, explosions and other factors, Earthquakes under the sea trigger off huge waves called tsunamis.

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Pride and Prejudice, by far the most popular of all Jane Austen’s novels, requires no detailed description. Jane Austen said of it that it «is rather too light, and bright, and sparkling; it wants shade,» and this is perhaps the reason for its popularity. The precision and vivacity of style carry the reader through the novel with ease and spirit; there is a sparkling life about the characters and rainwashed freshness about the scenery which combine to make this gayest of Jane Austen’s novels, in spite of deeper overtones which emerge when Charlotte Lucas agrees to marry Mr. Collins or when Lydia is discovered to have run off with Wickham with no prospect of marriage. The speed and ski ii with which the author moves into the story is remarkable.

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A recent opinion poll discovered that many people were very concerned about the amount of sex and violence depicted in movies, television shows, and popular music. This poll also discovered, however, that most people thought that individuals should take responsibility to correct the problems. The vast majority favored such solutions as tighter parental supervision, warning labels on records, and voluntary self-restraints by entertainment companies. Only 27 per cent favored government censorship. At the same time, there was growing concern about the impact of television on children. Research has shown that by the time our children reach age 18, they have spent more time watching television than in school. The problem was that our television system was attuned to the marketplace. Children are treated as a market to be sold to advertisers at so much money per thousand eyeballs.