Listening for trouble
FOR any creature, avoiding predators is essential if you want to lead a long and fruitful life. In the case of moths, the predators are usually bats. But just as there is more than one way to skin a cat, there turn out to be two ways to avoid a bat.
This article appeared in the Science & technology section of the print edition under the headline “Listening for trouble”
From the July 22nd 2000 edition
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The two types of human laugh
One is caused by tickling; the other by everything else