Although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be ...organization, metabolism, growth, irritability, adaptation, and reproduction.LESSATTRIBUTION DETAIL »
The question of place and climate is most closely related to the question of nutrition. Nobody is free to live everywhere; and who...ever has to solve great problems that challenge all his strength actually has a very restricted choice in this matter. The influence of climate on our metabolism, its retardation, its acceleration, goes so far that a mistaken choice of place and climate can not only estrange a man from his task but can actually keep it from him: he never gets to see it.LESSATTRIBUTION DETAIL »
He's got a fifteen percent metabolism with an overactive thyroid and a glandular affectation of about three percent. With a one pe...rcent mentality. He's what we designate as the Crummy Moronic type.LESSATTRIBUTION DETAIL »
We can come up with a working definition of life, which is what we did for the Viking mission to Mars. We said we could think in t...erms of a large molecule made up of carbon compounds that can replicate, or make copies of itself, and metabolize food and energy. So that's the thought: macrocolecule, metabolism, replication.LESSATTRIBUTION DETAIL »