Craig C FreudenrichCraig Freudenrich is a life scientist and a former AP Biology teacher with over 25 years experience in biomedical research, science education, and scientific/technical writing. He has a Ph.D. in Physiology from the University of Pittsburgh and currenly teaches courses at Duke University's Talent Identification Program.

Jane Gardner holds an M.S. in Education from the University of Massachusetts and an M.S. in Geology from Virginia Tech, and is a member of the National Association of Science Writers. She has worked as a lecturer at Bentley College, a high school science teacher, and an Associate Editor of science textbooks. Read More Read Less