What is a species? What is speciation? These questions are not easy to answer. Yet, for those microbiologists studying environmental questions or dealing with clinical issues, the ability to name and recognize species, widely considered the fundamental units of ecology, can be useful as well as b...More...
During the past few decades, major advances in the fields of cognitive psychology, brain research, and discipline-based education research in college science classrooms are providing guiding principles for how to achieve learning of complex knowledge and skills such as science. In part I, we desc...More...
The development of combination antiretroviral therapy (cART) converted AIDS to a manageable chronic disease by 1996, and led to marked changes in this epidemic. Patients receiving cART usually show a rapid decrease in HIV to essentially undetectable levels, an increase in CD4 cell counts, and sub...More...