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La festa è il tempo per eccellenza, distinto dall'insieme della durata in quanto particolarmente potente. Le dinamiche della secolarizzazione hanno attenuato e confuso i confini tra sacro e profano, al punto che ci si chiede se sia ancora lecito cercare di distinguere una festa religiosa da una profana o se non sia più proficuo cercare all'interno della festa la dimensione sacrale del tempo. La modernità non porta all'eclissi del sacro, ma, piuttosto, alla sua trasformazione. Questo volume affronta questi temi e si propone come "strumento di lavoro" per eventuali approfondimenti.

Tree of life in literature.

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

viruses --- tree of life --- evolution --- horizontal gene transfer --- ORFans --- origin of nucleus

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Always a controversial and compelling topic, the origin of life on Earth was considered taboo as an area of inquiry for science as recently as the 1950's. Since then, however, scientists working in this area have made remarkable progress, and an overall picture of how life emerged is coming more clearly into focus. We now know, for example, that the story of life's origin begins not on Earth, but in the interiors of distant stars. This book brings a summary of current research and ideas on life's origin to a wide audience. The contributors, all of whom received the Oparin/Urey Gold Medal of the International Society for the Study of the Origin of Life, are luminaries in the fields of chemistry, paleobiology, and astrobiology, and in these chapters they discuss their life's work: understanding the what, when, and how of the early evolution of life on Earth. Presented in nontechnical language and including a useful glossary of scientific terms, Life's Origin gives a state-of-the-art encapsulation of the fascinating work now being done by scientists as they begin to characterize life as a natural outcome of the evolution of cosmic matter.

Life --- Abiogenesis --- Biogenesis --- Germ theory --- Heterogenesis --- Life, Origin of --- Life (Biology) --- Origin of life --- Plasmogeny --- Plasmogony --- Evolution (Biology) --- Exobiology --- Spontaneous generation --- Origin. --- Origin --- amino acids. --- ancient world. --- big bang. --- biological evolution. --- biological. --- biology. --- biotic. --- comets. --- dna. --- evolution. --- extraterrestrial. --- fossil record. --- history of life. --- human biology. --- human evolution. --- hypotheses. --- living organism. --- meteorite. --- origin of life. --- prebiotic. --- research. --- rna. --- science. --- scientific history. --- scientific. --- solar system. --- supernova. --- tree of life. --- world history.