Carrie Arnold is a freelance science writer covering many aspects of health and the living world. Before that, she worked in the field of public health for many years. She has written for a wide variety of magazines and other publications, including Scientific American, Discover, Slate, Aeon, Nautilus and Women’s Health. Carrie lives in Virginia with her husband and cat.
Work published elsewhere
Cutting brings relief because emotion and pain criss-cross in the brain. Can we untangle the circuits and stop self-harm?
Evolving with a little help from our friends
Symbiotic microbes may help explain how one species can become two.
Cold War bomb testing is solving biology’s biggest mysteries
A surge in a rare carbon isotope has given scientists the ability to date the birth of cells in the body, which has helped to answer some long-standing questions in biology.
Modern-day Typhoid Marys
The discovery of superspreaders has changed the way scientists think about how outbreaks spread.