Spiderwebs and spider silk, explained

Spiders spin webs out of silk, but they also use their threads as slingshots, submarines, and hang-gliders.
Normally solitary, these long-jawed spiders accumulated in huge numbers at the the Nahal Soreq Creek to hunt a mosquito infestation.
Watch a crab spider is survey the wind condition with its leg hairs and take flight.

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