Sense and Feeling

      The human body, although undeniably a physical thing, has a limited range of abilities with which to perceive the  world.
      The planet is populated with diverse creatures which have very different ways of extracting information from the environment. Each species is equipped to receive input from the world in a very specific way.
     Not every sound is audible to all animals. Human hearing detects sounds in the audio or sonic frequencies, typically between 20 Hz and 2...

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