Evolutionary origins of the anatomy that makes a pretty smile have been discovered by scientists. All living jawed vertebrates (animals with backbones, such as humans) have teeth, but it has long been thought that the first jawed vertebrates lacked pearly gnashers, instead capturing prey with gruesome scissor-like jaw-bones. However, new research, led by the UK's University of Bristol, shows that these earliest jawed vertebrates possessed ...Monday, 22 October 2012
Anatomy Behind Our Smiles Cracked
Evolutionary origins of the anatomy that makes a pretty smile have been discovered by scientists. All living jawed vertebrates (animals with backbones, such as humans) have teeth, but it has long been thought that the first jawed vertebrates lacked pearly gnashers, instead capturing prey with gruesome scissor-like jaw-bones. However, new research, led by the UK's University of Bristol, shows that these earliest jawed vertebrates possessed ...
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