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Siphonophores are virtually eternal. They repeatedly clone themselves, some eventually growing
longer than a blue whale
longer than a blue whale
Full Transcript
00:00:01.000 --> 00:00:04.391
Siphonophores are virtually eternal.
00:00:04.048 --> 00:00:08.235
They repeatedly clone themselves,
00:00:08.004 --> 00:00:12.001
some eventually growing
longer than a blue whale.
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Movie Summary
David Attenborough returns to the world's oceans in this sequel to the acclaimed documentary filming rare and unusual creatures of the deep, as well as documenting the problems our oceans face.