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New Candidates for Organic-rich Regions on Ceres, by J. L. Rizos et al, 2024 Self-Sustaining Living Habitats in Extraterrestrial Environments, by R. Wordsworth and C. Cockell, 2024 A secondary electron microscope image of Ryugu of sample A0180 showing the detailed morphology of filaments with indents denoting individual cells. Giordano Bruno by Ingred D. Rowland The ...different mechanisms that expanded the genome between FECA and LECA Diatom fossil detail from the Polonnaruwa meteorite Oxygen bubbles A collision with a dense interstellar cloud Bacterial reverse transcriptases synthesize extrachromosomal genes via rolling-circle amplification to confer potent antiviral immunity. GTAs are intricately regulated domesticated viruses that package host DNA into virus-like capsids and transfer this DNA throughout the bacterial community. The Soul of an Octopus: A Surprising Exploration into the Wonder of Consciousness, by Sy Montgomery the mechanism of replication-coupled histone recycling for maintaining epigenetic inheritance Message Heading to Jupiter's Moon Europa The Intelligent Universe by Fred Hoyle To see what is in front of one's nose needs a constant struggle - George Orwell, 1946 Heterologous cell fusion is said to be another way for bacteria to exchange genes A Brief History of Earth by Andy Knoll Susumu Ohno says viruses can transform whole populations in a couple of generations Harold Thimbleby and viruses for updating computers recent transition to live-bearing in marine snails Genes always look too old Amanda Townley Human Chromosomes SARS-CoV-2 RNA suddenly spiked and remained high in the sewage of Florianópolis, Brazil Geysers on Enceladus Orbits beyond the Kuiper belt Viruses MANIAC Spectrograph of the atmosphere of exoplanet K12-18b nematode from the Siberian permafrost an overlooked oxygen source in present and past subsurface ecosystems of Earth graph shows the difference between macro- (L) and microevolution Fanzor protein Owen Gingerich Surprisingly Large Plume Jetting From Enceladus ...duplicated human sequences have undergone accelerated testing. Starships transfer genes in yeast Conway's Game of Life The variety of viruses Illustration (from Nature ) of a comet veering near the sun Disturbung the Universe by Freeman Dyson Introns and Introners de novo genes that influence the growth of the human brain Start of life controlled by poly(A) tail-mediated remodeling Science Magazine issue with analysis of asteroid Ryugu, 23 Feb 2023 February 10, Windsor Castle: King Charles III invests Chandra Wickramasinghe into the Order of the British Empire for his contributions to Science, Astronomy and Astrobiology. Stan Franklin Alien Oceans by Kevin Peter Hand 07 Jan 2023 27 Dec 2022 CRISPR tools found in thousands of viruses... Kurt Vonnegut is skeptical The Whole Truth, by P.J.E Peebles Sporulation, adapted from Nature Think with me for moment about Quantum Theory HGT for leaf beetles Colnaghi et al., PNAS, 2022 thumbnail James A. Shapiro. (local link: shapiroklyce2022.htm) 28 Jul 2022 Now the big surprise of HGT is no surprise - excerpt from email, Sep 2022 18 Jul 2022 PNAS: nine open-access articles about the Austrian monk Gregor Mendel 10 Jun 2022 10 Jun 2022 Mushrooms All five DNA and RNA nucleobases have now been found in carbonaceous meteorites Tanis fossil voosen2022 24 Feb 2022 30 Jan 2022 Microbial defenses against mobile genetic elements and viruses: Who defends whom from what? MBE for Chandra eDNA sampled from the air chimericrnas 04 Dec 2021 20 Nov 2021 15 Sep 2021 07 Sep 2021 31 Aug 2021 Flashes of Creation 26 Aug 2021 Gil Levin Borgs 19 Jun 2021 Karl Popper Postscript 15 Sep 2021 19 Jun 2021 Whitefly hijacks plant gene Orgueil 2021 Koonin et al. Dumas et al., 2021 12 Feb 2021 Coelocanth unchanged 23 Jan 2021 Jan 12, 2021 Knowledge Machine 20 Dec 2020 10 Dec 2020 widespread endogenization of NCLDVs in diverse green algae 31 Oct 2020 Some Things Are Simply Given 15 Oct 2020 14 Sep 2020 26 Aug 2020 20 Jun 2020 20 May 2020 Opportunity Panoramic Camera, sol 88 25 Apr 2020 14 Apr 2020 Sea Lilies on Ancient Mars 10 Apr 2020 27 Feb 2020 01 Jan 2020 12 Dec 2019 23 Dec 2019 James Peebles Ordovician surge 26 Sep 2019 13 Sep 2019 08 Sep 2019 03 Sep 2019 27 Jul 2019 01 Jun 2019 Two domains or three? Medusa virus 18 Apr 2019 08 Apr 2019 22 Mar 2019 02 Mar 2019 25 Feb 2019 24 Jan 2019 13 Jan 2019 18 Dec 2018 15 Dec 2018 19 Nov 2018 28 Oct 2018 10 Oct 2018 02 Oct 2018 21 Sep 2018 06 Sep 2018 28 Aug 2018 22 Aug 2018 29 Jul 2018 09 Jul 2018 Lattanzio 14 Jun 2018 13 Jun 2018 01 Jun 2018 05 May 2018 26 Apr 2018 Cosmos The Atlantic 04 Apr 2018 31 Mar 2018 15Mar 2018 13 Mar 2018 03 Mar 2018 07 Feb 2018 17 Jan 2018 12 Jan 2018 Long Bets prediction wins, January 1st, 2020 Zubrin 20 Dec 2017 asteroid A/2017 U1 (circled) 24 Dec 2017 19 Oct 2017 28 Sep 2017 12 Sep 2017 01 Sep 2017 07 Mar 2017 17 Feb 2017 mineral, tectonic, biological, climatic, weathering and sedimentary processes with feedback loops can explain the history of oxygen in the biosphere Just So Stories Gary Ruvkun Vera Rubin 11 Nov 2016 17 Oct 2016 16 Sep 2016 21 Aug 2016 Richard Hoover 03 Jun 2016 28 Apr 2016 05 Apr 2016 Brig Klyce, Richard Hoover and Chandra Wickramasinghe in San Diego, 2012 Viruses likely initiated major evolutionary shifts Herding Hemingway's Cats, by Kat Arney Gaian Bottleneck John Dupre Chandra Wickramasinghe's autobiography, publ. 2015 human and/or chimpanzee-specific de novo genes Sea Lillies on Mars ...key aspects of eukaryogenesis calls for reassessment of some of the most general concepts in biology. Dark Streaks on Mars ...The virus inserted itself some 650 times or so into the genome Ellen Stofan Luis P. Villarreal 27 May 2015 Nathalie Cabrol, SETI Institute Ganymede has more ocean water than Earth Complex organic molecules are abundant in the circumnuclear disk (CND) 30 Jan 2015 Gas pressure must have built up underground until it erupted, throwing over a big slab of surface material on comet 67P 19 Jan 2015 07 Jan 2015 We speculate that the selective pressure imposed by competition between bacteria has produced a reservoir of genes encoding diverse antimicrobial functions that are tailored for co-option by eukaryotic innate immune systems. 19 NOv 2014 15 Oct 2014 How big is Rosetta's comet - 67P? About as big as Mount Baker 27 Sep 2014 Michael Syvanen 20 Jan 2014 09 Jan 2014 An ancient Martian lake ...could have supported life as we know it for long stretches - perhaps millions of years. ...a large percentage of the metazoan and embryophyte regulatory toolkits were already in place before their origin and divergence Marc Kirschner, founding Chair, Harvard Medical School Department of Systems Biology Some genes and proteins that most people think are specific to being multicellular in animals are already present in their unicellular relatives. Habitable Zone The Major Transitions in Evolution Revisited Pamela Lyon Life on Earth may have come from Mars, acording to Steve Benner Opportunity sol 34 before and after MI photos 3 July 2013 a protein (PxVxL recognition) whose sequence is well-conserved from its immediate predecessor (Chromoshadow fold) Leonidas Salichos and Antonis Rokas (right and left) New pieces of the Polonnaruwa meteorite David S. McKay 11 January 2013 Investigation of the Polonnaruwa meteorite A carbonaceous meteorite that fell in Sri Lanka on December 29 contains fossilized diatoms. 20 December 2012 20 September 2012 Tides on Titan Nature Reviews Genetics William Bateson 03 Dec 2011 Dragonfly Illustration by Sean McCabe Three biologists at the University of Illinois Project BIOKIS Distribution of molecular functions in the FSF 352 set... Project BIOKIS Genes Older than Earth? Michael Behe Virolution by Frank Ryan 18 Apr 2011 fragment of the Orgueil CI1 meteorite that is densely populated with several different types of embedded filaments Cartoon of a medieval alchemist from the Economist, 26 Feb 2011 Michael Sherman HGT is a ubiquitous feature of genome evolution.... 22 Nov 2010 61 A layer of organic compounds may give Kuiper-Belt objects their colors. 30 Sep 2010 Genes are either very old, or they appear suddenly, without predecessors. John Mattick What Darwin Got Wrong 02 Jun 2010 Tanpopo Thomas Edison e. coli apparent in spectrum of interstellar dust Endogenous non-retroviral RNA virus elements in mammalian genomes Butterflies and their larvae, caterpillars, were once separate species, brought together by hybridization Mutations and Relative fitness over 20,000 generations The gain and loss of exons has contributed to the evolution of new features. facing images of Darwin and Michaelangelo's God 17 April 2009 17 April 2009 Eugenie Scott de novo genes that influence the growth of the human brain Stephen Hawking Predominantly left-handed amino acids H. Jay Melosh, University of Arizona Regents' Professor of planetary sciences Methane plumes on Mars Michael Mumma Mark Bedau The number of cases of HGT involving eukaryotes is now so great that it no longer makes sense to attempt to comprehensively compile individual cases Prokaryotic life in Earth's deep dark ocean First Animal on Earth Was Surprisingly Complex Early evolution of eukaryotic DNA-dependent RNA polymerases Could an ocean on Titan contain life? 5 March 2008 24 February 2008 Did meteors cause the Great Ordovician Biodiversification Event? Extrasolar planets Beacon Valley Robin Weiss, 2007 Ernst Chain Prize winner all-sky image from NASA The sea anemone genome is nearly as complex as the human genome Modern Cosmology: Science or Folktale? The Limits of Organic Life in Planetary Systems 24 May 2007 E. O. Wilson Exceeding Our Grasp by P. Kyle Stanford The Evolution Prize 23 June 2006 13 June 2006 A gene captured from a mobile element fused with another gene to make a new primate gene Gene patterns A cell requires 430 genes Aphid Common bacteria share an infinite gene pool?! jellyfish eye Fitness landscape Evolution vs Creationism Isotope tests inconclusive Peter Ward Chandra Wickramasinghe No evolutionary progress in a closed system! Acquiring Genomes by Lynn Margulis and Dorion Sagan Lateral DNA Transfer book cover Fred Hoyle Jayant V. Narlikar Gerda Horneck Sean B. Carroll Seasonal dark spots on Mars Chris Chyba on Europa Karl Popper Postscript Magnetites in chains in a meteorite from Mars Evidence for magnetotactic bacteria on Mars 250 Million-year-old bacteria have been revived Red and grey Kuiper-belt objects have different orbits Entire genetic regions appear to have been transferred between species Susan L. Lindquist James Lovelock Introns' homing capability Germs survive in space Ernst Mayr A Different Approach to Cosmology, by Hoyle, Burbidge and Narlikar Proceedings of a conference on nanobacteria CIDA Origin and Evolution of Viruses Joshua Lederberg Another gene installed by a virus appears to serve an important human function Margaret G. Kidwell re the microfossils in Murchison contaminants? Astrobiologists will send bacteria into space and back Lord Kelvin 23 Dec 1999 cycles.jpg cycles.jpg Liquid Water Found in a Meteorite Mathematics of Evolution Example of Microevolution 18 Dec 1998 NASA has published its Astrobiology Roadmap Oxygen bubbles 18 Dec 1998 Fossilized magnetotactic bacterium identified in the Orguei We owe the repertoire of our immune system to one transposon insertion.... Carl Woese Molecular Strategies in Biological Evolution Gil Levin A Distinctive Class of Integron in the Vibrio cholerae Genome Frost on Mars at a Viking landing site Peanuts 26 Sep 2019 New Yorker cartoon by Charles Barsotti
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