Another segment from 'Cosmos.' Sagan discusses the fascinating ability whales have to eloquently communicate with each other over long distances with sound. He also discusses the effects human seafaring... continue reading
posted by Spiff 1 decade 7 years 8 months ago • 3,108 viewsMarine Life
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Updated: 1 decade 7 years 3 months 1 week ago
Views: 1,538