From dogs to seals to cats, members of the mammalian order Carnivora can vary greatly from one species to another. But for the most part, their skulls all tend to take on some variant of just a few ...

MicroCT of infected human lung tissue, along with histology and immunohistochemistry, was used to construct images of TB granulomas, airways and vasculature. For 70 years, clinicians thought they knew ...