''Life and Energy'' is a 1962 book by

Isaac Asimov yi, יצחק אזימאװ , birth_date = , birth_place = Petrovichi, Russian SFSR , spouse = , relatives = , children = 2 , death_date = , death_place = Manhattan, New York City, U.S. , nationality = Russian (1920–1922)Soviet (192 ...

. It is about the

biological Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary in ...

and

physical Physical may refer to: *Physical examination In a physical examination, medical examination, or clinical examination, a medical practitioner examines a patient for any possible medical signs or symptoms of a medical condition. It generally co ...

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. In order to accomplish its goal, the book starts with "layman" discussions about energy and how these can be used to single out human from other living systems, or even living systems from non-living matter, what differentiates a rock from an oyster, and finishes with advanced concepts, how living systems are able to "produce" energy.

First Chapters: Energy

The first chapters covers the common questions of the distinctions between living and inanimate objects.

Following Chapters

Asimov then explains in a step by step manner about the physical world first through slow, but interesting chapters. He writes about the effect and major role of the evolution and advance of man by fire and heat, he tells about thermodynamics (and its laws), he recollects the thoughts of previous scientists, and their painstaking works, and finally, the quantum theory and

radiation In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: * ''electromagnetic radiation'', such as radio waves, microwaves, infrared, visi ...

, which has revolutionised physics and technology. An explanation of electricity and basic

chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

laws and features are also included. The physical section ends here, and continues into biology. He now continues on with special chemistry, and leaves behind physics. From this, the book leads into the functions of enzymes, amino acids,

cells Cell most often refers to: * Cell (biology), the functional basic unit of life Cell may also refer to: Locations * Monastic cell, a small room, hut, or cave in which a religious recluse lives, alternatively the small precursor of a monastery w ...

, the body as a whole, and the process of the cells and

organ Organ may refer to: Biology * Organ (biology), a part of an organism Musical instruments * Organ (music), a family of keyboard musical instruments characterized by sustained tone ** Electronic organ, an electronic keyboard instrument ** Hammond ...

s to work together to become one.

Publication

*''Life and Energy'' (1962)

External links

Book review
1962 non-fiction books Books by Isaac Asimov Science books Doubleday (publisher) books {{science-book-stub