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The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia.
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
Robert Lee Frost (March 26, 1874 – January 29, 1963) was an American poet. Known for his realistic depictions of rural life and his command of American colloquial speech, [2] Frost frequently wrote about settings from rural life in New England in the early 20th century, using them to examine complex social and philosophical themes.
The Vital Question is a book by the English biochemist Nick Lane about the way the evolution and origin of life on Earth was constrained by the provision of energy.. The book was well received by critics; The New York Times, for example, found it "seductive and often convincing" [1] though the reviewer considered much of it speculative beyond the evidence provided.
It is often simply called a book club, a term that may cause confusion with a book sales club. Other terms include reading group , book group , and book discussion group . Book discussion clubs may meet in private homes, libraries , bookstores , online forums, pubs, and cafés, or restaurants, sometimes over meals or drinks.
The theory of panspermia speculates that life on Earth may have come from biological matter carried by space dust [93] or meteorites. [94] While current geochemical evidence dates the origin of life to possibly as early as 4.1 Ga, and fossil evidence shows life at 3.5 Ga, some researchers speculate that life may have started nearly 4.5 billion ...
The poem questions whether you valued your life over death or, worse, never having been born. Did you in fact see life for all of its beauty or do you view your life as a waste? The poem asks you to analyze your life, to question whether every decision you made was for the greater good, and to learn and accept the decisions you have made in ...
Fortey used this book to explain how life has evolved over the last four billion years. He discusses evolution, biology, the origin of life, and paleontology. Under its various titles Fortey's book has become a best-seller; according to WorldCat, it is in over a thousand public libraries in the United States alone.