When the Earth Started to Sing – David G. Haskell
Emergence Magazine Podcast
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Early Animals Communicated by Sound
Bacteria and other single celled creatures sent out tiny sound waves, murmurs and fizzes so quiet that only the most sensitive lab equipment can detect them. These experiences transport us to an early earth before life sung or spoke. It would take about another 200 million years or more for animals to call or sing. Why did sonic communication take so long to blossom? palaeontologists may yet discover fossils of ancient sound makers. But the nears of listening creditors may have muzzled life's sonic evolution.
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