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Bad Vibrations: How We're Deafening the Deep

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There are few sounds in the natural world that are as soothing as the restless sea – so it’s a shame we’re drowning it out.

In yet another assault on the biophony, human beings are flooding the depths of the oceans with noise pollution, turning the formerly Silent World into a busy-sounding place. All humanity’s sea-going machinery send out vibrations – some of them very substantial indeed – and for marine creatures that have evolved to pick up the faintest of noises and communicate with …

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How to Woo an Elephant (Insincerely)

Birds twitter. Cats meow. Dogs bark. And elephants…rumble.

It’s one of the most curious corners of the biophony – the low-frequency noise (on the lower edge of our own hearing) that elephants send into the ground to attract a mate. The vibration is picked up by potential partners through their forelegs, and from there it’s transmitted to a bone in their middle ear (here’s the science of it – pdf). Amazingly, this may work over distances of up to 6 miles. It’s only one …

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