Pied Piper 2.0: Rats' ultrasonic calls, which have been compared to human laughter, might serve as a magic lure in pest control. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0211601 …pic.twitter.com/a00VOflw3J
11:18 PM - 8 Apr 2019
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