They use fossils to reconstruct prehistoric environments and geography, as well as to make models of animals that have become extinct, such as dinosaurs. They make diagnoses from body tissues, fluids, and other specimens. And they perform autopsies to determine the nature and extent of disease as well as the cause of death. Pharmacologist Pharmacologists develop new or improved drugs or medicines. They also conduct tests to determine the effect of drugs and their possible shortcomings or undesirable side effects.
Some pharmacologists work with other doctors to study how disease can alter the effects of drugs.
Physiologist Physiologists study the functions of plants and animals under normal and abnormal conditions. They perform experiments to determine the effects of internal and external environmental factors on life processes. Science Teacher Science teachers help students learn about different aspects of science. Some may teach only a particular topic, such as cell biology or anatomy, while others cover many different topics in their classrooms or laboratories. Science Writer Science writers write about scientific issues, new information, or trends for newspapers, magazines, books, television, and radio.