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This substance, which is manifold in its forms and protean in its transformations, has, in its state of living matter, one physiological name which has become familiar, that of protoplasm.

You begin with the possibilities of the material.

A mechanical encounter or other energy-exchange may cause tissue damage.

Skin is made in large measure of a protein called collagen.

Given my absolute druthers, I would certainly like to see that every part of my body is used for spare parts for science.

A piece of fabric can get me going.

Sculpture is the art of the hole and the lump.

Where does my body end and an invader start? And cancer, a tumor, is something you grow out of your own tissue. How does that happen? Where does medical ability end and start?

If someone says, 'I love that lipstick,' I will always try to answer, honestly, if I know what color it is. It's a connective tissue.

The three-pound organ in your skull - with its pink consistency of Jell-o - is an alien kind of computational material. It is composed of miniaturized, self-configuring parts, and it vastly outstrips anything we've dreamt of building.