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Źródło: OpenNewswire • 17.04.2026 05:38 • ScienceOryginał (en)

Thomas J. Walker studied cricket and katydid songs

Late summer evenings in much of North America carry a particular kind of insistence. It comes not from anything visible, but from a steady, patterned sound: a rasp, a pulse, a sequence that seems at once mechanical and expressive. For generations it was treated as background, a seasonal accompaniment to heat and dusk. Yet for […]

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