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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.
Oxytropidoceras posted a topic in Fossil NewsEvidence 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 RNA world: The fate of nucleobases in warm little ponds. Proceedings of the National Academy of Sciences, vol. 114 no. 43, pp. 11327-11332 http://www.pnas.org/content/114/43/11327 https://arxiv.org/pdf/1710.00434.pdf Yours, Paul H.