Replaceable You: Adventures in Human Anatomy by Mary Roach Keychains & More Its distinctive golden-brown cap and

Its distinctive golden-brown cap and dark spores aid in identifying this species among other mushrooms

Alectoris chukar skull measures about 3"

Synthesizing cutting-edge scientific research

Human humerus bones measuring approximately 11"-13” long

using the latest advances in computer-imaging technology

Replaceable You: Adventures in Human Anatomy by Mary Roach Keychains & More Its distinctive golden-brown cap andThe body is the most complex machine in the world, and the only one for which you cannot get a replacement part from the manufacturer. For centuries, medicine has reached for whats availablesculpting noses from brass, borrowing skin from frogs and hearts from pigs, crafting eye parts from jet canopies and breasts from petroleum by products. Today were attempting to grow body parts from scratch using stem cells and 3D printers. How are we doing? Are we