Small Spiders With Big Appetites Use a Pulley System to Catch Large Prey
New research and videos show how spiders in the Theridiidae family hoist up prey 50 times their size
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Spiders use pre-tensioned silk to hoist prey off the ground
Gabriele Greco and Nicola Pugno describe experiments with Steatoda paykulliana and Steatodatriangulosa
Spiders hoist big prey with silk 'pulleys'
And now scientists know how
Spiders really can trap foes up to 50 times heavier than themselves.
This study is a unique look into spider evolution
How a tiny spider uses silk to lift prey 50 times its own weight
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Some spiders use their silk to hoist helpless prey so it cannot escape more
Gabriele Greco and Nicola Pugno (UniTrento) found that they seemed to be using their body weight to put tension on the silk threads