By Allison Muri ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. Few movements in a living human depend so much on

By Allison Muri ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. Few movements in a living human depend so much on
By Michael Sappol and Eva Åhrén ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. Once upon a time, before originality was
By Jonathan Sawday ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. William Harvey’s De motu cordis et sanguinis in animalibus is