News tagged with journal of the acoustical society of america
Thieving whale caught on video gives rare clues about hunting strategy, sound production
May 21, 2009 |
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For decades scientists have been intrigued by the variety of sounds emitted by sperm whales, partly due to a popular theory that suggests that the sounds might contain information about the animals' size. ...
Perfect Pitch: Language Wins Out Over Genetics
May 19, 2009 |
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Mozart, Tchaikovsky, Sinatra and Hendrix -- these and many other of the world's most famous musicians have had "perfect" or "absolute" pitch. The ability, defined as recognizing the pitch of a musical note ...
Search results for journal of the acoustical society of america
Study sheds new light on dolphin coordination during predation
Biology /
Oct 21, 2008 |
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Spinner dolphins have long been known for their teamwork in capturing prey but a new study using high-tech acoustics has found that their synchronization is even more complex than scientists realized and likely evolved as ...
Disappearing vowels 'caught' on tape in US midwest
Oct 26, 2009 |
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Try to pronounce the words "caught" and "cot." If you're a New Yorker by birth, the two words will sound as different as their spellings. But if you grew up in California, you probably pronounce them identically.
Teacher talk strains voices, especially for women
Oct 26, 2009 |
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Teachers tend to spend more time speaking than most professionals, putting them at a greater risk for hurting their voices -- they're 32 times more likely to experience voice problems, according to one study. And unlike singers ...
Whales are polite conversationalists
Oct 26, 2009 |
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What do a West African drummer and a sperm whale have in common? According to some reports, they can both spot rhythms in the chatter of an ocean crowded with the calls of marine mammals -- a feat impossible for the untrained ...
Pair of Bionic Ears Helps to Distinguish Left from Right
May 15, 2009 |
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Can a pair of bionic ears benefit a hearing-impaired child? Cynthia Zettler, a postdoctoral fellow in Ruth Litovsky's laboratory at the University of Wisconsin-Madison thinks so.
Sonar monitors California squid fishery
Feb 07, 2006 |
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California's $30-million-a-year squid industry has quadrupled during the past decade and now scientists are using sonar to assess squid stocks.
Singing During Pregnancy May Be Harder Due To Hormones
Oct 07, 2009 |
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The question of how hormones affect a woman's voice is relevant to professional singers because hormonal fluctuations may place them at risk of injury. Knowing when the risks are greatest would help singers avoid performing ...
Illinois Soil Nitrogen Test measures microbial nitrogen
May 11, 2009 |
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Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that determine nitrogen-supplying power, and these differences ...
Improving swine waste fertilizer
Jul 08, 2008 |
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Swine production generates large amounts of waste. While this waste contains nutrients that may serve as fertilizer when applied to agricultural fields, the ratio of nutrients in the waste is different than what a crop requires.
A natural, alternative insect repellent to DEET
Feb 05, 2009 |
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Isolongifolenone, a natural compound found in the Tauroniro tree (Humiria balsamifera) of South America, has been found to effectively deter biting of mosquitoes and to repel ticks, both of which are known spreaders of diseases ...
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