- Archaeologists work to recover and examine objects from the past. Objects archaeologists search for include tools, pottery, ruins, cave paintings and any other type of remains which can be used to learn about past cultures and civilizations. According to the Bureau of Labor Statistics, in 2008, archaeologists and anthropologists held about 5,800 jobs, with a median annual income of $53,910. Most positions for archaeologists require a master's degree or Ph.D.
- Agricultural scientists work to ensure agricultural productivity and safety for the nation's food supply. Studying crops and animals to develop methods of improving their quality and quantity are also done by agricultural scientists. In 2008, agricultural and food scientists held about 31,000 jobs, with a median annual income of $59,520. Most positions for agriculture scientists require a bachelor's degree, however a master's or PH.D. may be required for employment at some universities.
- Physicists work to explore and identify laws and principles regarding the motion, energy, structure and interactions of matter. Physicists design sophisticated equipment and use that equipment to perform experiments regarding physical laws and theories. In 2008, physicists held about 15,600 jobs, with a median annual income of $102,890. Most positions for physicists typically require a Ph.D. in physics or a related subject area for employment in basic research positions.
- Zoologists work to study animals and wildlife, which includes their origin, behavior, diseases, and life processes. Experimenting with live animals in natural and controlled surroundings, as well as dissecting them, are also common tasks performed by zoologists. In 2008, zoologists and wildlife biologists held about 19,500 jobs, with a median annual income of $55,290. Most positions for zoologists working in independent research and development positions require a Ph.D., however, some jobs in the field are also available with bachelor's and master's degrees.
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