Were Dinosaurs Warm Blooded?

Were Dinosaurs Warm Blooded?

During the 1990’s there was a lot of discussion (yelling?) over the question of whether or not Dinosaurs were endothermic, that is, warm blooded. In the regular media there is still a pretty solid…
Tuberculosis Diversity and Genetic Drift

Tuberculosis Diversity and Genetic Drift

Bacteria often provide vivid examples ofhow powerful the forces of evolution can be.  In keeping with that,Hershberg, et al., in a paper published in PLoS, show that evolutionary forces may…