Life is a characteristic that distinguishes physical entities that have biological processes, such as signaling and self-sustaining processes, from those that do not, either because such functions have ceased, or because they never had such functions and are classified as inanimate. Various forms of life exist, such as plants, animals, fungi, protists, archaea, and bacteria. Biology is the science concerned with the study of life. There is currently no consensus regarding the definition of life. One popular definition is that organisms are open systems that maintain homeostasis, are compos ...
Biological organization is the hierarchy of complex biological structures and systems that define life using a reductionistic approach. The traditional hierarchy, as detailed below, extends from atoms to biospheres. The higher levels of this scheme are often referred to as an ecological organization concept, or as the field, hierarchical ecology. Each level in the hierarchy represents an increase in organizational complexity, with each "object" being primarily composed of the previous levels basic unit. The basic principle behind the organization is the concept of emergence - the propertie ...
Carbon is a primary component of all known life on Earth, representing approximately 45–50% of all dry biomass. Carbon compounds occur naturally in great abundance on Earth. Complex biological molecules almost always consist of carbon atoms bonded with other elements, especially oxygen and hydrogen and frequently also nitrogen, phosphorus, and sulfur. Because it is lightweight and relatively small in size, carbon molecules are easy for enzymes to manipulate. It is frequently assumed in astrobiology that if life exists elsewhere in the Universe, it will also be carbon-based. Critics refer t ...
Chirality is a property of asymmetry important in several branches of science. The word chirality is derived from the Greek χειρ, "hand," a familiar chiral object. An object or a system is chiral if it is distinguishable from its mirror image; that is, it cannot be superposed onto it. Conversely, a mirror image of an achiral object, such as a sphere, cannot be distinguished from the object. A chiral object and its mirror image are called enantiomorphs Greek, "opposite forms" or, when referring to molecules, enantiomers. A non-chiral object is called achiral sometimes also amphichiral and c ...
Romanticism grew largely out of an attempt to understand not just inert nature, but also vital nature. Romantic works in the realm of art and Romantic medicine were a response to the general failure of the application of method of inertial science to reveal the foundational laws and operant principles of vital nature. German romantic science and medicine sought to understand the nature of the life principle identified by John Hunter as distinct from matter itself via Johan Friedrich Blumenbachs Bildungstrieb and Romantic medicines Lebenskraft, as well as Roschlaubs development of the Bruno ...
Life extension is the idea of extending the human lifespan, either modestly – through improvements in medicine – or dramatically by increasing the maximum lifespan beyond its generally settled limit of 125 years. The ability to achieve such dramatic changes, however, does not currently exist. Some researchers in this area, and "life extensionists", "immortalists" or "longevists" those who wish to achieve longer lives themselves, believe that future breakthroughs in tissue rejuvenation, stem cells, regenerative medicine, molecular repair, gene therapy, pharmaceuticals, and organ replacement ...
The band comprised singer Paul McCallion, guitarists JayJay and Del Robertson Somerville, and Doug Smith, with Pitchshifter drummer Jason Bowld joining in 2004. The bands debut release was the At One Time or Another EP in 2004. They toured in support of InMe and released "What if the Truth Looks Clearer Empty" later that year. They toured with The Rasmus and opened for Metallica, and "Cruel Kindness" followed in November 2004. McCallion and Bowles were also part of the supergroup This Is Menace, along with members of Pitchshifter, Therapy?, Hundred Reasons, Funeral for a Friend and Carcass.
Homochirality is a uniformity of chirality, or handedness. Objects are chiral when they cannot be superposed on their mirror images. For example, the left and right hands of a human are approximately mirror images of each other but are not their own mirror images, so they are chiral. In biology, 19 of the 20 natural amino acids are homochiral, being L -chiral, while sugars are D -chiral. Homochirality can also refer to enantiopure substances in which all the constituents are the same enantiomer, but some sources discourage this use of the term. It is unclear whether homochirality has a pur ...
Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter. Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life. Such a general theory, arising out of the ecological and biological sciences, attempts to map general principles for how all living systems work. Instead of examining phenomena by attempting to break things down into components, a general living systems theory explores phenomena in terms of dynamic ...
Non-cellular life, or acellular life is life that exists without a cellular structure for at least part of its life cycle. Historically, most definitions of life postulated that a living organism must be composed of one or more cells, but this is no longer considered necessary, and modern criteria allow for forms of life based on other structural arrangements. The primary candidates for non-cellular life are viruses. A minority of biologists consider viruses to be living organisms, but most do not. Their primary objection is that no known viruses are capable of autonomous reproduction: the ...
There are at least two senses in which the term philosophy is used: a formal and an informal sense. In the formal sense, philosophy is an academic study of the fields of aesthetics, ethics, epistemology, logic, metaphysics, as well as social and political philosophy. Ones philosophy of life is philosophy in the informal sense, as a personal philosophy, whose focus is resolving the existential questions about the human condition. The term also refers to a specific conception of philosophizing as a way of life, endorsed by the German Lebensphilosophie movement whose main representative is Wi ...
The phrase Reverence for Life is a translation of the German phrase: Ehrfurcht vor dem Leben." These words came to Albert Schweitzer on a boat trip on the Ogooue River in French Equatorial Africa, while searching for a universal concept of ethics for our time. Schweitzer made the phrase the basic tenet of an ethical philosophy, which he developed and put into practice. He gave expression to its development in numerous books and publications during his life and also in manuscripts which have recently been published; the main work being his unfinished four-part Philosophy of Culture German: ...
The Seven Pillars of Life are the essential principles of life described by Daniel E. Koshland in 2002 in order to create a universal definition of life. One stated goal of this universal definition is to aid in understanding and identifying artificial and extraterrestrial life. The seven pillars are Program, Improvisation, Compartmentalization, Energy, Regeneration, Adaptability, and Seclusion. These can be abbreviated as PICERAS.
The term world riddle or world-riddle has been associated, for over 100 years, with Friedrich Nietzsche and with the biologist-philosopher Ernst Haeckel, who, as a professor of zoology at the University of Jena, wrote the book Die Weltrathsel in 1895–1899, in modern spelling Die Weltratsel, with the English version published under the title The Riddle of the Universe, 1901. The term "world riddle" concerns the nature of the universe and the meaning of life. The question and answer of the World Riddle has also been examined as an inspiration or allegorical meaning within some musical compos ...
- Life is a characteristic that distinguishes physical entities that have biological processes, such as signaling and self - sustaining processes, from those
- Life is the characteristic that distinguishes organisms from inorganic substances and dead objects. Life or The Life may also refer to: Human life disambiguation
- there are significant differences. LFP chemistry offers a longer cycle life than other lithium - ion approaches. Like nickel - based rechargeable batteries
- Life imprisonment also known as imprisonment for life life in prison, whole - life order, a life sentence, a life term, lifelong incarceration, life incarceration
- Life insurance or life assurance, especially in the Commonwealth of Nations is a contract between an insurance policy holder and an insurer or assurer
- A still life plural: still lifes is a work of art depicting mostly inanimate subject matter, typically commonplace objects which are either natural
- The life sciences or biological sciences comprise the branches of science that involve the scientific study of life and organisms such as microorganisms
- Extraterrestrial life is hypothetical life which may occur outside of Earth and which did not originate on Earth. Such life might range from simple prokaryotes
- Kingdom, life peers are appointed members of the peerage whose titles cannot be inherited, in contrast to hereditary peers. In modern times, life peerages
- Life was an American magazine published weekly until 1972, as an intermittent special until 1978, and as a monthly from 1978 until 2000. During its golden
- The meaning of life or the answer to the question: What is the meaning of life pertains to the significance of living or existence in general. Many
- through its subsidiaries StarVista Live, Lifestyle Products Group and Time Life is a creator and direct marketer that is known for selling books, music
- Sun Life Financial, Inc. is a Canadian financial services company known primarily as a life insurance company. It is one of the largest life insurance
- Half - Life is a series of first - person shooter games developed and published by Valve. In most installments, players control Gordon Freeman, a physicist
- The monthly Chess Life and bi - monthly Chess Life Kids formerly School Mates and Chess Life for Kids are the official magazines published by the United
- Half - life is a mathematical and scientific description of exponential or gradual decay. Half - life half life or halflife may also refer to: Half - Life film
- Slice of life describes the depiction of mundane experiences in art and entertainment. In theater, slice - of - life refers to naturalism, while in literary
- In England and Wales, life imprisonment is a sentence which lasts until the death of the prisoner, although in most cases the prisoner will be eligible
- Life cycle, life - cycle, or lifecycle may refer to: Biological life cycle, the sequence of life stages that an organism undergoes from birth to reproduction
- Life After Life may refer to: Life After Life 1975 book a 1975 book about near - death experiences by Raymond Moody Life After Life a 2006 book about
- A person s life stance, or lifestance, is their relation with what they accept as being of ultimate importance. It involves the presuppositions and theories
- Fox Life is an international pay television network, launched by the Fox Broadcasting Company in 2004, which airs across Latin America, Europe also available
- Life simulation games form a subgenre of simulation video games in which the player lives or controls one or more virtual characters human or otherwise
- Artificial life often abbreviated ALife or A - Life is a field of study wherein researchers examine systems related to natural life its processes, and
- Standard Life Aberdeen plc, formerly Standard Life plc, is a United Kingdom - based global investment company with headquarters in Edinburgh. In March 2017
- common law and statutory law, a life estate or life tenancy is the ownership of land for the duration of a person s life In legal terms, it is an estate
- Life Savers is an American brand of ring - shaped hard and soft candy. Its range of mints and fruit - flavored candies is known for its distinctive packaging
- The Congregation for Institutes of Consecrated Life and Societies of Apostolic Life CICLSAL Latin: Congregatio pro Institutis Vitae Consecratae et
- Everyday life daily life or routine life comprises the ways in which people typically act, think, and feel on a daily basis. Everyday life may be described
- The Good Life or Good Life may refer to: Eudaimonia, a philosophical term for the life that one would like to live, originally associated with Aristotle
Coleridge's theory of life
Hiding Place (band)
Philosophy of life
Reverence for Life
The Seven Pillars of Life
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Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!online intellectual game →