Contents
Acknowledgments
7
Co-author's Note 9
Introduction: The Promise of the Art
17
Part 1
Growth and Regrowth
23
1
Hydra's Heads and Medusa's Blood 25
Failed Healing in Bone
29
A Fable Made Fact
32
2
The Embryo at the Wound 40
Mechanics of Growth
42
Control Problems 47
Nerve Connections
55
Vital Electricity
60
3
The Sign of the Miracle
68
The Tribunal
69
The Reversals
71
Part 2
The Stimulating Current
77
4
Life's Potentials
79
Unpopular Science 82