Elephants hear through their feet!

This research appears on first glance to be quite straightforward reasoning from the premise that extends the concept of ground based vibrational communication from bugs to mammals. But, if you review Riemann's philosophical writings and interpolate his work on hearing, then you get an interesting congruence with this research. His view of time being relative to the species and the electromagnetic wave nature of sound as primary combine quite elegantly here. By the way, the notion that all of the biological substrate persists as a kind of soliton is I think a wonderfully apt characterization.

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