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Re: Re: Re: Re: Feynman and I (19/06/18 11:49:31)
    A wonderful planet.
    I believe we are getting closer to an understanding of the origin of life. Hydrothermal vents are the hottest candidates for being the place(s) where it happened. Precursors to organic material is one type of conponent; others are catalytic trace metals - iron, cobalt, molybdenum, vanadium, zinc - which are hard to come by, but available in hydrothermal systems.

    "The Chicxulub crater, shown here in an artist’s conception, formed a little more than 66 million years ago when a meteorite plowed into Earth’s surface, wiping out 75% of all species on the planet. But recent findings suggest the impact actually could have helped generate the conditions necessary for the creation of life itself. Image courtesy of Detlev van Ravenswaay/ScienceSource."

    It says: Hydrothermal systems may have been created on land from the damage caused by meteorite collisions.

    (http://www.pnas.org/content/115/23/5820)

    Hydrothermal systems and Darwinian selections seem more realistic than some of the older models.
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