Day: March 14, 2025

Airborne: The Hidden History of the Life We Breathe by Carl Zimmer

Carl Zimmer’s book Airborne: The Hidden History of the Life We Breathe is an always informative, often fascinating, and at times worrying look at humanity’s long speculation and exploration of what is in the air around us and what we breathe besides the life-giving oxygen we need.

Zimmer covers a lot of ground here, going back to ancient civilizations and the idea of “miasma” or “bad air,” an explanation of sickness that held sway for centuries until being rivaled in the 14th century by the opposing idea that “diseases such as plague were caused by contagion — a poison that grew inside the sick and then spread to the healthy.” A speculative theory strengthened by the invention of the microscope in the 17th century,