Image of the Day: Shrinking Dinosaurs
Image of the Day: Shrinking Dinosaurs
As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.
Image of the Day: Shrinking Dinosaurs
Image of the Day: Shrinking Dinosaurs

As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.

As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.

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Lizard Secretes Heat
Lizard Secretes Heat
Bob Grant | Jan 25, 2016
Researchers confirm the unprecedented endothermic abilities of a South American reptile.
Dinos Not Necessarily Cold-Blooded
Hayley Dunning | Jun 27, 2012
The leading argument for dinosaurs being cold-blooded is overturned as a nearly identical bone structure is found in mammals.