News tagged with sound

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Researchers reveal how hearing evolved

Lungfish and salamanders can hear, despite not having an outer ear or tympanic middle ear. These early terrestrial vertebrates were probably also able to hear 300 million years ago, as shown in a new study ...

Feb 06, 2015
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How the 'mute' cicada sings

"Mute" cicadas may use the sound of wing impact to communicate, according to a study published February 25, 2015 in the open-access journal PLOS ONE by Changqing Luo from Northwest A&F University, China, ...

Feb 25, 2015
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Shaping up our 'soundscapes' can improve our lives

We live in an increasingly noisy world. Since even low-level noise can affect quality of life, new tools to deal with noise are welcome. "Auralisation", the audio equivalent of visualisation, is now helping ...

Feb 10, 2015
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1, 2, 3 octopuses: Divers conduct underwater census

(AP)—To check on the health of the giant Pacific octopus population in Puget Sound, an unusual census takes place every year. Volunteer divers, enlisted by the Seattle Aquarium, take to Washington's inland ...

Feb 05, 2015
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