High Quality Content by WIKIPEDIA articles The negentropy, also negative entropy or syntropy, of a living system is the entropy that it exports to keep its own entropy low; it lies at the intersection of entropy and life. The concept and phrase "negative entropy" were introduced by Erwin Schr dinger in his 1943 popular-science book What is Life? Later, L on Brillouin shortened the phrase to negentropy, to express it in a more "positive" way: a living...