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Found 4 results

  1. Brad Jensen

    What about fossil DNA?

    I am new to the forum and I am presenting ideas that I have been thinking about in relation to dinosaurs and dinosaur fossils. One idea that intrigues me is the idea of fossil DNA. I don't mean physical nucleotides that might be found in or around dinosaur fossils. I mean ancient DNA or RNA sequences that might be preserved in the "non-coding" DNA of the dinosaur descendants, birds. DNA and RNA are basically scripting languages for building and activating proteins. When we think of evolution, we mostly think in terms of the evolution of organisms
  2. Scientists announce a breakthrough in determining life's origin on Earth—and maybe Mars Foundation for Applied Molecular Evolution, June 3, 2022 The open access paper is: Craig A. Jerome, Hyo-Joong Kim, Stephen J. Mojzsis, Steven A. Benner, and Elisa Biondi. Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses Astrobiology. ahead of print http://doi.org/10.1089/ast.2022.0027 Yours, Paul H.
  3. Oxytropidoceras

    Inosine and the Origin of Life

    Inosine could be a potential route to the first RNA and the origin of life on Earth Harvard University, December 3, 2018, https://phys.org/news/2018-12-inosine-potential-route-rna-life.html The paper is: Seohyun Chris Kim, Derek K. O’Flaherty, Lijun Zhou, Victor S. Lelyveld, and Jack W. Szostak, 2018, Inosine, but none of the 8-oxo-purines, is a plausible component of a primordial version of RNA. PNAS published ahead of print December 3, 2018 https://doi.org/10.1073/pnas.1814367115 Yours, Paul H.
  4. Evidence suggests life on Earth started after meteorites splashed into warm little ponds, PhysOrg, October 2, 2017 https://phys.org/news/2017-10-evidence-life-earth-meteorites-splashed.html How did Life Start? Meteorites crashing into Darwin's Little Warm Ponds May Have been Trigger, by Megham Bartels, Newsweek. http://www.newsweek.com/2017/10/27/how-did-life-start-meteorites-crashing-darwins-warm-little-ponds-was-possible-675655.html The paper is: Pearce, B.K., Pudritz, R.E., Semenov, D.A. and Henning, T.K., 2017. Origin of the
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