In fact when you combine stem cell technology with the technology known as tissue engineering you can actually grow up entire organs, so as you suggest that sometime in the future you get in an auto accident and lose your kidney, we'd simply take a few skin cells and grow you up a new kidney. In fact this has already been done.

Nothing has existence unless you, I, or some living creature perceives it, and how it is perceived further influences that reality. Even time itself is not exempted from biocentrism.

Today's preoccupation with physical theories of everything takes a wrong turn from the purpose of science - to question all things relentlessly. Modern physics has become like Swift's kingdom of Laputa, flying absurdly on an island above the earth and indifferent to what is beneath.

When you turn from one room to the next, when your animal senses no longer perceive the sounds of the dishwasher, the ticking clock, the smell of a chicken roasting - the kitchen and all its seemingly discrete bits dissolve into nothingness - or into waves of probability.

In whatever form it takes, life sings because it has a song. The meaning is in the lyrics.

Reality is observer-determined - it's a spatio-temporal process, which fortunately means that things must change.

Any universe that could have preceded consciousness only existed in a probability state.