انقباض کاترپیلار در یک اتاق بسیار آرام به زیست شناسان کمک می کند تا بفهمند این حشرات چگونه بدون گوش می شنوند.

Caterpillar twitches in an ultraquiet chamber help biologists understand how these insects hear without ears

In a quiet summer garden, a caterpillar perches on a branch, munching serenely on leaves. A moment later, it freezes. It senses danger—and just in time. From behind, a wasp approaches, sizing up its prey.