Questions and Answers
What is the main topic of the article 'Do Animals Laugh'?
The purpose of laughter in animals
Which animals have been observed making vocalizations resembling laughter?
Chimps and other apes
What is the purpose of the scientific research mentioned in the article?
To determine if animals can laugh and what it means
What quote does the article attribute to British author William Hazlitt?
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What does the text suggest about the internet's portrayal of grinning dogs and cats?
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What did Jaak Panksepp find when he tickled lab rats?
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Which animals were observed making giggle-like behavior?
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What was the purpose of the particular noises made by dolphins during play-fighting?
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What did Koko, the gorilla who learned sign language, find hilarious?
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What is laughter considered to be a vocalization of, according to the text?
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