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Author Topic: Did Life Evolve in Ice?  (Read 1831 times)
Pyperlie
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« Topic Start: February 04, 2008, 11:43:14 am »


Did Life Evolve in Ice?

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One morning in late 1997, Stanley Miller lifted a glass vial from a cold, bubbling vat. For 25 years he had tended the vial as though it were an exotic orchid, checking it daily, adding a few pellets of dry ice as needed to keep it at –108 degrees Fahrenheit. He had told hardly a soul about it. Now he set the frozen time capsule out to thaw, ending the experiment that had lasted more than one-third of his 68 years.

Miller had filled the vial in 1972 with a mixture of ammonia and cyanide, chemicals that scientists believe existed on early Earth and may have contributed to the rise of life. He had then cooled the mix to the temperature of Jupiter’s icy moon Europa—too cold, most scientists had assumed, for much of anything to happen. Miller disagreed. Examining the vial in his laboratory at the University of California at San Diego, he was about to see who was right.

This is...so neat.   Cool
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"Is no one inspired by our present picture of the universe? Our poets do not write about it; our artists do not try to portray this remarkable thing. The value of science remains unsung by singers: you are reduced to hearing not a song or poem, but an evening lecture about it. This is not yet a scientific age."
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« Reply #1: February 04, 2008, 05:03:24 pm »

This is...so neat.   Cool

I had read about Miller's original experiments, but did not know anything about some of the more recent ones.  Thanks for posting this.
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« Reply #2: February 04, 2008, 05:17:36 pm »

I had read about Miller's original experiments, but did not know anything about some of the more recent ones.  Thanks for posting this.

We tell everyone that stanley was named after his grandfather , but actually, he was named after mr. miller.   Grin  ok, maybe both.  He loves hearing about all these famous scientists with his first name (although granpa isn't a famous scientist)
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Pyperlie
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« Reply #3: February 05, 2008, 07:20:02 pm »


I had read about Miller's original experiments, but did not know anything about some of the more recent ones.  Thanks for posting this.

How could I not?  Grin

The originals were cool enough, but considering what we now know about the outer moons, and suspect about the Mars polar caps...
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"Is no one inspired by our present picture of the universe? Our poets do not write about it; our artists do not try to portray this remarkable thing. The value of science remains unsung by singers: you are reduced to hearing not a song or poem, but an evening lecture about it. This is not yet a scientific age."
              -----Richard Feynman

I have loved the stars too fondly to be fearful of the night.
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« Reply #4: February 06, 2008, 08:35:55 pm »


I have found again and again that the best condition for creating complex pre-biotic chemistry are often very different from the best conditions for life itself.
This is one of the reasons I suspect that one of the best places to look for ET is in a belt a few hundred light-years outside the galactic hub
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« Reply #5: February 10, 2008, 09:39:22 pm »


This is one of the reasons I suspect that one of the best places to look for ET is in a belt a few hundred light-years outside the galactic hub

I'm one of those people who leans towards the assumption that the universe is teeming with life, partly because of the big numbers involved, and partly because, well, it'd be pretty pathetic if humans were the best the universe could produce.  Tongue
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~~~Pyperlie<^>

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"Is no one inspired by our present picture of the universe? Our poets do not write about it; our artists do not try to portray this remarkable thing. The value of science remains unsung by singers: you are reduced to hearing not a song or poem, but an evening lecture about it. This is not yet a scientific age."
              -----Richard Feynman

I have loved the stars too fondly to be fearful of the night.
               ----Sarah Williams
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« Reply #6: February 10, 2008, 10:24:55 pm »

I'm one of those people who leans towards the assumption that the universe is teeming with life, partly because of the big numbers involved, and partly because, well, it'd be pretty pathetic if humans were the best the universe could produce.  Tongue
My logic here is that if you want to see an oil well, you go where the oil is ...
In this case, conditions in the galactic hub make it ideal for the mass production of the raw materials for the formation of planets and for life itself (irradiated dust)
So ... If you go a few hundred light-years away from there, there will be lots of raw materials available in an area with a lot less background radiation
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« Reply #7: February 11, 2008, 08:07:38 pm »

Did Life Evolve in Ice?

This is...so neat.   Cool
Very interesting article... This actually just popped into my head the other day thinking about the Eddas and the Norse creation myth. Life evolving out of ice... ice was/is naturally a big part of life for Northern peoples, but perhaps they were on to something!

Just had to butt in... Smiley
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"Silent and thoughtful a prince's son should be / and bold in fighting; / cheerful and merry every man should be / until he waits for death." ~ Havamal, stanza 15
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« Reply #8: February 12, 2008, 03:01:53 pm »


Very interesting article... This actually just popped into my head the other day thinking about the Eddas and the Norse creation myth. Life evolving out of ice... ice was/is naturally a big part of life for Northern peoples, but perhaps they were on to something!

OMG, dude I would die if they could prove (as far as such is possible in science, anyway) ice-based evolution, and up pops an Asatruar scientist who decides it would be entertaining to point that fact out... Cheesy  Cheesy  Cheesy
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~~~Pyperlie<^>

~*~*~*~*~*~*~*~*~*~*~*~*~*~*

"Is no one inspired by our present picture of the universe? Our poets do not write about it; our artists do not try to portray this remarkable thing. The value of science remains unsung by singers: you are reduced to hearing not a song or poem, but an evening lecture about it. This is not yet a scientific age."
              -----Richard Feynman

I have loved the stars too fondly to be fearful of the night.
               ----Sarah Williams

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