Life
T. rex teeth show the enormous predatory dinosaur was warm-blooded
Analysis of the chemistry of ancient T. rex tooth enamel adds weight to the idea that the fierce Cretaceous predator controlled its body temperature
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Analysis of the chemistry of ancient T. rex tooth enamel adds weight to the idea that the fierce Cretaceous predator controlled its body temperature
Fossils of Spriggina floundersi provide the earliest evidence of animals favouring one side of the body over the other – a feature of nervous systems that we see in our own right- and left-handedness