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First edition (publ. Doubleday) Life and Energy is a 1962 book by Isaac Asimov.It is about the biological and physical world, and their contrasts and comparisons.Thus the book is divided into two sections, which is separated by further sub-sections (i.e. chapters): 1) energy; 2) body.
Energy (from Ancient Greek ἐνέργεια (enérgeia) ' activity ') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
Like the Earth as a whole, living things use this energy, converting the energy to other forms (the first law), while producing entropy (the second law), and thereby degrading the exergy or quality of the energy. Sustaining life, or the growth of a seed, for example, requires continual arranging of atoms and molecules into elaborate assemblies ...
Energy (esotericism), a term used by various esoteric forms of spirituality and alternative medicine Prana, the Sanskrit word for "life force" or "vital principle" Qi, a vital force in traditional Chinese philosophy; Élan vital, a hypothetical explanation for evolution and development of organisms
Bioenergetics is a field in biochemistry and cell biology that concerns energy flow through living systems. [1] This is an active area of biological research that includes the study of the transformation of energy in living organisms and the study of thousands of different cellular processes such as cellular respiration and the many other metabolic and enzymatic processes that lead to ...
One of the greatest questions of science centers on how life seemingly formed from lifeless molecules. This has led researchers to do things like investigate how rain might have helped form ...
Life arose from the Earth's first ocean, which formed some 3.8 billion years ago. [33] Since then, water continues to be the most abundant molecule in every organism. Water is important to life because it is an effective solvent, capable of dissolving solutes such as sodium and chloride ions or other small molecules to form an aqueous solution.
Some scientists have proposed in the last few decades that a general theory of living systems is required to explain the nature of life. [1] Such a general theory would arise out of the ecological and biological sciences and attempt to map general principles for how all living systems work.