In a nutshell CT scans of 15 Viking-age skulls revealed widespread dental infections, sinusitis, ear diseases, and joint problems that would have caused significant pain and reduced quality of life in ...
Dimetrodon borealis fossil with CT scan image shows teeth with long roots (in blue) and a close-up of the tooth serrations (tiny bumps along the edges of the teeth). Disclaimer: AAAS and EurekAlert!
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