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Annihilation of ecosystems by large asteroid impacts on the early Earth
Large asteroid impacts produced globally lethal conditions by evaporating large volumes of ocean water on the early Earth. The Earth may have been continuously habitable by ecosystems that did notExpand
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Beginnings of Cellular Life: Metabolism Recapitulates Biogenesis
Chapter 1. The Nature of the Problem Chapter 2. The Study of Origins Chapter 3. Ttie Top Down Approach Chapter 4. Generalization from Contemporary Biology and Biochemistry Chapter 5. The minimal CellExpand
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The phenomenon of man.
Inevitably, reading is one of the requirements to be undergone. To improve the performance and quality, someone needs to have something new every day. It will suggest you to have more inspirations,Expand
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Universality in intermediary metabolism.
  • E. Smith, H. Morowitz
  • Chemistry, Medicine
  • Proceedings of the National Academy of Sciences…
  • 7 September 2004
We analyze the stoichiometry, energetics, and reaction concentration dependence of the reductive tricarboxylic acid (rTCA) cycle as a universal and possibly primordial metabolic core. The rTCAExpand
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The Emergence of Everything: How the World Became Complex
When the whole is greater than the sum of the parts-indeed, so great that the sum far transcends the parts and represents something utterly new and different-we call that phenomenon emergence. WhenExpand
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Energy Flow in Biology
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SCIENTIFIC LITERACY
 What are the effects of teaching scientific literacy in an environmental science high school classroom? Subsequent Focus Questions  Effects on students’ content knowledge?  Effects on students’Expand
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The origin of intermediary metabolism.
The core of intermediary metabolism in autotrophs is the citric acid cycle. In a certain group of chemoautotrophs, the reductive citric acid cycle is an engine of synthesis, taking in CO(2) andExpand
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Energy flow and the organization of life
TLDR
Energy flow and the organization of life Also see http://www.nature.com/news/2006/061113/full/61113-9. Expand
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A mechanism for the association of amino acids with their codons and the origin of the genetic code.
The genetic code has certain regularities that have resisted mechanistic interpretation. These include strong correlations between the first base of codons and the precursor from which the encodedExpand
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