The secret's in their breath and bones.🦖
Humanity has long pictured dinosaurs as slow, heavy creatures that roamed the Earth with giant feet millions of years ago.
By turning up the heat on dinosaur metabolism, the researchers have discovered that the earliest dinosaurs and pterosaurs had extremely high metabolic rates and were, in fact, warm-blooded creatures.In a nutshell, metabolism is the series of chemical events that support life in organisms and is how successfully we transform the oxygen we breathe into chemical energy that nourishes our bodies.
When animals breathe, this sets off a chain of biochemical events that leave molecular waste products in their bones, with the quantity of waste produced scaling directly with the amount of oxygen used. The researchers utilized Raman and FTIR spectroscopy to look for these chemical markers in the femurs of 55 different animal species, including dinosaurs, flying pterosaurs, and marine plesiosaurs, as well as current birds, mammals, and reptiles,
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