Looking for LUCA, the last universal common ancestor

Around 4 billion years ago there lived a microbe called LUCA: the Last Universal Common Ancestor. There is evidence that it could have lived a somewhat 'alien' lifestyle, hidden away deep underground in iron-sulfur rich hydrothermal ...

New dinosaur found in Mexico was 'very communicative'

A new species of dinosaur identified by Mexican paleontologists is believed to have been "very communicative" and used low-frequency sounds like elephants to talk to each other, a researcher said Friday.

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