Oysters close their shells in response to low-frequency sounds

Oysters rapidly close their shells in response to low-frequency sounds characteristic of marine noise pollution, according to a study published October 25, 2017 in the open-access journal PLOS ONE by Jean-Charles Massabuau ...

A beautiful wing design solution inspired by owl feathers

Many species of owl are able to hunt without being heard by their prey by suppressing the noise of their wings at sound frequencies above 1.6 kilohertz (kHz)—including the range at which human hearing is most sensitive.

Creative use of noise brings bio-inspired electronic improvement

In conventional electronics, a great deal of effort is devoted to eliminating stochastic resonance (SR)—the annoying hiss that generally hinders the detection of weak signals and degrades overall device performance. But, ...

Marine noise pollution stresses and confuses fish

Researchers at Newcastle University (UK) found that European sea bass experienced higher stress levels when exposed to the types of piling and drilling sounds made during the construction of offshore structures.

Cope's gray treefrogs meet the cocktail party problem

You've been there: Trying to carry on a conversation in a room so noisy that the background chatter threatens to drown out the words you hear. Yet somehow your auditory system is able to home in on the message being conveyed ...

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