Kendall Powell has been a freelance science writer for 12 years, covering the realm of biology, from molecules to maternity. She has written for publications including the Los Angeles Times, Washington Post, Nature, the Journal of Cell Biology, and Discover. She also writes science communications for the HHMI Bulletin, the American Society for Microbiology, the National Institute on Drug Abuse and others. She is a contributor to The Science Writers’ Handbook.