News tagged with acoustic

When a whistle beats a tweet

Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.

dateSep 01, 2009 in Plants & Animals
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Dialect Detectives

(PhysOrg.com) -- Technology under development by Pedro Torres-Carrasquillo and his colleagues at Lincoln Laboratory may lead to a dialect identification system that compensates for a translator's inexperience ...

dateApr 16, 2009 in Computer Sciences
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Surviving dance club music (noise) with hearing intact

By tweaking a system in the ear that limits how much sound is heard, a global team of researchers has discovered one alteration that shows that the ability of the ear to turn itself down contributes to protecting against ...

dateJan 21, 2009 in
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Why some butterflies sound like ants

Ant nests can offer a lot to organisms other than just ants. They are well-protected, environmentally-stable and resource-rich spaces—in many ways everything a tiny creature could ask for in a home. So ...

dateOct 29, 2014 in Plants & Animals
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Beneath the Arctic polar cap

(Phys.org) —The Arctic polar cap has been melting at an astonishing rate over the past 20 or so years. In addition to causing higher sea levels and other environmental impacts, the decreasing surface is ...

dateJun 12, 2014 in Earth Sciences
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