Dubbed "the portrait of a soul" and "the face that launched 1, 000 therapists, " "The Scream" depicts a distorted human figure -- hands flat against its sunken face, eyes and mouth wide open -- in the foreground of a nightmarish landscape.

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It was suggested a channel could be cut through a spit to re-open the harbour mouth.

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When one of the orang-utans displayed an open, gaping mouth, its playmate would often display the same expression less than half a second later.

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The old man was heavy and gray-haired, with eyes narrowed and mouth slightly open, as if he were asthmatic, but he was smiling as well as he could.

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Khan emerged for the fifth, mouth hanging a little open and with a small swelling under the right eye - and he was noticeably a little slower throughout the round.

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Facial expressions, such as the open, gaping mouth resembling laughter, were picked up and copied by orang-utans.

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The only open question is whether the word of mouth swearing its the most gruesome and stomach-churning R-rated horror film in recent memory helps or hinders word of mouth.

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According to the Small Business Search Marketing Survey by American Express OPEN, U.S. small businesses can still count on word-of-mouth as a top way for shoppers to find them.

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