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The explosive origin of animals

After 3500 million years of evolution, animals exploded onto the scene around 500 million years ago. Palaeobiologist Rob Sansom explains how we interpret and classify the crucial fossil evidence for this ancient evolutionary event — and how rotting fish can help us

Rob Sansom

Trilobites are common fossil arthropods, known from their hard shells

Evolution

Palaeontology

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Cellular Ninjas regulate gene expression

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Oceanography

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