The Cambrian fecal revolution: poop from millions of years ago reveals its importance in the greatest explosion of life on Earth
Feces were key to fertilizing all the seas and the diversification of forms and sizes of living beings
Paleontology
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The cave lion was not a lion: DNA reveals a species with nearly two million years of its own history
A study analyzes 12 genomes of the ‘Panthera spelaea’ and discovers that its lineage separated from the African lion much earlier than previously thought. Crossbreeding between the two species was controlled by the glaciations