The small, plant-eating Lystrosaurus thrived post-extinction, while its predators suffocated to death. Its eggs played a ...
Live Science on MSN
Strange mammal ancestor laid huge leathery eggs, key to surviving the world's worst mass extinction
Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.
If left intact, the exemption for oil and gas companies in the Gulf of Mexico could forever harm vulnerable species and their habitats.
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