Search the Community
Showing results for tags 'molecular clock'.
Found 2 results
Land plants arose earlier than thought—and may have had a bigger impact on the evolution of animals By Elizabeth Pennisi, Feb. 19, 2018 http://www.sciencemag.org/news/2018/02/land-plants-arose-earlier-thought-and-may-have-had-bigger-impact-evolution-animals Plants may have colonized Earth's surface 100 MILLION years earlier than previously thought, Press association, Daily Mail, Feb. 19, 2018 http://www.dailymail.co.uk/sciencetech/article-5410161/New-research-pushes-history-land-plants-100-million-years.html Morris, JL, Puttick, M, Clark, J, Edwards, D, Kenrick, P, Pressel, S, Wellman, CH, Yang, Z, Harald, S & Donoghue, P, 2018, ‘The timescale of early land plant evolution: controlling for competing topologies and dating strategies on divergence time estimates’. Proceedings of the National Academy of Sciences. http://www.bristol.ac.uk/earthsciences/people/mark-n-puttick/pub/142491407 http://www.bristol.ac.uk/earthsciences/people/mark-n-puttick/index.html Yours, Paul H.
Oxytropidoceras posted a topic in Fossil NewsWorld’s oldest algae fossils date back 1 billion years, says new research, Intelligencer, December 24, 2017 https://www.mcgill.ca/channels/channels/news/origins-photosynthesis-plants-dated-125-billion-years-ago-283492 https://www.lintelligencer.com/worlds-oldest-algae-fossils-date-back-1-billion-years-says-new-research-419-2017/ First photosynthesis took place 1.25 billion years ago: Study Economic times, Dec 24, 2017 https://economictimes.indiatimes.com/news/science/first-photosynthesis-took-place-1-25-billion-years-ago-study/articleshow/62231708.cms The paper is; Gibson, T.M., Shih, P.M., Cumming, V.M., Fischer, W.W., Crockford, P.W., Hodgskiss, M.S., Wörndle, S., Creaser, R.A., Rainbird, R.H., Skulski, T.M. and Halverson, G.P., 2017. Precise age of Bangiomorpha pubescens dates the origin of eukaryotic photosynthesis. Geology. https://pubs.geoscienceworld.org/gsa/geology/article-abstract/524864/Precise-age-of-Bangiomorpha-pubescens-dates-the Yours, Paul H.