Briefing Chat: Stressed mitochondria spawn new 'organelles' in cells

In this episode:

00:27 How a parasite unveiled a mitochondrial secret

Nature: Mitochondria can spawn new ‘organelles’ — hinting at how modern cells evolved

06:13 The extinct cephalopods that could have been enormous

Nature: Did kraken-like octopuses rule Cretaceous seas? Massive jaw fossils offer clues

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