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Russell Dean Christopher Bicknell, Post-doctoral researcher in Palaeobiology, Flinders University

On the origin of feces: how animal poo drove Earth’s greatest evolutionary event

Kimmig & Bicknell / Trends in Ecology & Evolution, CC BY

As all children learn, everyone poos. But when did this begin?

And what evolutionary and environmental changes accompanied the dawn of dung? Going further, is the evolution of excrement the reason we exist?

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