Astronaut
Astronomer
Bioacoustical Researcher
Biologist
Crystallographer
Dietitian
Animal Science
Entomologist
Forensic Biochemist
Geologist
Herpetologist
Horticulture
Hydrologist
Marine Geophysicist
Meteorologist
MRI Technician
Nurse
Obstetrician
Paleoanthropologist
Paleontologist
Pediatric Oncology Nurse
Physicist
Seismologist
Soil Science
Toxicologist
Geneticist
Ultrasound Technologist
Veterinarian
Zoologist
Zoonotic Epidemiologist
Remote Sensing Specialist