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Spiders go ballooning on electric fields

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The aerodynamic capabilities of spiders have intrigued scientists for hundreds of years. Scientists have attributed the flying behavior of these wingless arthropods to 'ballooning', where spiders can be carried thousands of miles by releasing trails of silk that propel them up and out on the wind. However, the fact that ballooning has been observed when there is no wind to speak of, when skies are overcast and even in rainy conditions, raises the question: how do spiders take off with low levels of aerodynamic drag?
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