"This is a wonderful book. Frances Ashcroft has a rare gift for making difficult subjects accessible and fascinating." —Bill Bryson, author of The Body: A Gui

A fresh look at electricity and its powerful role in life on Earth When we think of electricity, we likely imagine the energy humming inside our home appliances

We are all familiar with the idea that machines are powered by electricity, but perhaps not so aware that this is also true for ourselves. The Spark of Lifeis a

Like all cellular organisms humans run on electricity. Cells work like batteries: slight imbalances of electric charge across cell membranes, caused by ions mov

Explores the limits of human survival and the physiological adaptations that enable us to exist under extreme conditions. The author reviews limits to human lif