Season 2 · Episode 14 of 45
Aired Apr 17, 2018
How the Squid Lost Its Shell
Tue, Apr 17, 2018
0 of 45 watched this season
The ancestors of modern, squishy cephalopods like the octopus and the squid all had shells. In ancient times, their shell was their greatest asset but it eventually proved to be their biggest weakness.
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Airs
Tue, Apr 17, 2018
Show
PBS Eons
246 episodes
Episode
S2 · E14
in PBS Eons