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Mitrany pioneered modern integrative theory. This discipline is the third main liberal approach to international relations (along with international liberalism and idealism). Its basic principle maintains that international (not only economical) cooperation is the best means of softening antagonism in the international environment.
Lifeblood, sequel to the novel Darkside, a children's novel by Tom Becker; Life's Blood, an American hardcore punk band "Life's Blood", a song by the Eighteen Visions from their EP Lifeless and album The Best of Eighteen Visions; Lifeblood (charity), a UK-based charity now known as Thrombosis UK
Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...
The evolutionary theory of Charles Darwin (1859) is a mechanistic explanation for the origin of species by means of natural selection. [45] At the beginning of the 20th century Stéphane Leduc (1853–1939) promoted the idea that biological processes could be understood in terms of physics and chemistry, and that their growth resembled that of ...
In psychology and psychotherapy, the term "existential crisis" refers to a form of inner conflict.It is characterized by the impression that life lacks meaning and is accompanied by various negative experiences, such as stress, anxiety, despair, and depression.
The English word theory derives from a technical term in philosophy in Ancient Greek.As an everyday word, theoria, θεωρία, meant "looking at, viewing, beholding", but in more technical contexts it came to refer to contemplative or speculative understandings of natural things, such as those of natural philosophers, as opposed to more practical ways of knowing things, like that of skilled ...
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. Instead of examining phenomena by attempting to break ...
A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. The theory of biological evolution is more than "just a theory".