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486Episodes
Category: Science

A fun take on the latest science news with enough data to sink your teeth into. Lagrange Point goes beyond the glossy summary and gets in depth with the research from across the world.

Episode 479 - Fish that count and Spiders hearing with their webs

April 18, 2022

Can fish count? What purpose does a stingray have with addition and subtraction? Why are fish and stingrays able to do basic arithmetic without a cerebral cortex? Scientists taught fish to do arithmetic with some help from Bees. What happens with you put a spider web in an anechoic chamber? How do spiders tune their webs to detect sound? Spiders webs act as powerful microphone arrays that are also cable of carrying sound across long distances. Spider webs make powerful microphone arrays that allow spiders to hear great with great fidelity.

  1. V. Schluessel, N. Kreuter, I. M. Gosemann, E. Schmidt. Cichlids and stingrays can add and subtract ‘one’ in the number space from one to fiveScientific Reports, 2022; 12 (1) DOI: 10.1038/s41598-022-07552-2
  2. Jian Zhou, Junpeng Lai, Gil Menda, Jay A. Stafstrom, Carol I. Miles, Ronald R. Hoy, Ronald N. Miles. Outsourced hearing in an orb-weaving spider that uses its web as an auditory sensorProceedings of the National Academy of Sciences, 2022; 119 (14) DOI: 10.1073/pnas.2122789119