An expert on mutagenesis, DNA repair, and bacterial genetics.

An expert in geology, paleoecology, paleontology, and the history of geology.

An expert in physics and chemistry.

An expert in astronomy, dark matter, and general physics.

An expert in earthquakes, structural geology, tectonics, and neotectonics.

Carrie Tyler is a marine conservation paleobiologist.

An expert in planetary science, igneous petrology, and Martian geology.

An expert on hibernation, pupfish, evolution, and cellular biology.

An expert on bacterial gene regulation and bacterial pathogens, including E. coli, Shigella, and Salmonella. 

An internationally recognized expert in astrophysics.