STEPHANIE WATSON is an independent scholar who has written and contributed to numerous works, including World of Genetics and Science and Its Times. She is the author of The Urinary System, and coauthor of The Endocrine System, both in Greenwood's Human Body Systems series.
KELLI MILLER is an independent scholar and is the founder of NewScience Inc. where she is feature writer on health and medicine for clients such as The Scientist and Popular Science.
