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Positive end-expiratory pressure (PEEP) is the pressure in the lungs (alveolar pressure) above atmospheric pressure (the pressure outside of the body) that exists at the end of expiration. [1] The two types of PEEP are extrinsic PEEP (PEEP applied by a ventilator) and intrinsic PEEP (PEEP caused by an incomplete exhalation).
Environmental history is the study of human interaction with the natural world over time, emphasising the active role nature plays in influencing human affairs and vice versa. Environmental history first emerged in the United States out of the environmental movement of the 1960s and 1970s, and much of its impetus still stems from present-day ...
The book is one of the earliest works to document the effects of human action on the environment, and it helped to launch the modern conservation movement. Marsh is remembered by scholars as a profound and observant student of men, books and nature, with a wide range of interests ranging from history to poetry and literature. His wide array of ...
On Human Nature (1978; second edition 2004) is a book by the biologist E. O. Wilson, in which the author attempts to explain human nature and society through sociobiology. Wilson argues that evolution has left its traces on characteristics such as generosity, self-sacrifice, worship and the use of sex for pleasure, and proposes a ...
Illustration of Emerson's transparent eyeball metaphor in "Nature" by Christopher Pearse Cranch, ca. 1836-1838. Emerson uses spirituality as a major theme in the essay. Emerson believed in re-imagining the divine as something large and visible, which he referred to as nature; such an idea is known as transcendentalism, in which one perceives a new God and a new body, and becomes one with his ...
Shepard's books have become landmark texts among ecologists and helped pave the way for the modern primitivist train of thought, the essential elements being that "civilization" itself runs counter to human nature - that human nature is a consciousness shaped by our evolution and our environment.
The Part Played by Labour in the Transition from Ape to Man" (German: "Anteil der Arbeit an der Menschwerdung des Affen") is an unfinished essay written by Friedrich Engels in the spring of 1876. The essay forms the ninth chapter of Dialectics of Nature, which proposes a unitary materialist paradigm of natural and human history.
The End of Nature is a book written by Bill McKibben, published by Random House in 1989. [1] It has been called the first book on global warming written for a general audience. [ 2 ] McKibben had thought that simply stating the problem would provoke people to action.