City spiders may spin low-vibe webs

Anchoring silk on human-made structures might change background vibrations and make prey detection harder

LURKER  The twitches that let a European garden spider know that lunch has landed may not be as easy to detect if strands of its web anchor to human-made materials.

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Spiders that spin webs on concrete and steel structures may be missing some good vibrations — and have a harder time catching their next meal.