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Moontanman's Profile User Rating: -----

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Reputation: 347931 Excellent
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Active Posts:
8,076 (3.61 per day)
Most Active In:
Science News Elsewhere (1400 posts)
Joined:
12-April 06
Profile Views:
13,503
Last Active:
User is offline May 23 2012 08:24 AM
Currently:
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My Information

Member Title:
HELLO LOW IQ'ERS!
Age:
57 years old
Birthday:
January 23, 1955
Gender:
Male Male
Location:
South Eastern North Carolina
Interests:
information junky, aquariums, surf fishing, growing things....

Contact Information

E-mail:
Click here to e-mail me
AIM:
AIM  Moontanman

Converted

Biography:
Science groupie
Location:
South Eastern North Carolina, Cape Fear Region
Interests:
Aquarium keeping, fish breeding, live coral grower, beach bum, scuba diver, bonsai trees, naturist
Occupation:
disability retired

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Posts I've Made

  1. In Topic: Invasive Species

    19 May 2012 - 07:36 PM

    Fire ants are a problem in my area as well. Flathead catfish and blue catfish have been introduced to the Cape Fear River with less than pleasing results, sunfish and bullhead catfish populations have taken a big hit. European Carp, one of the most widely distributed fish in North America are introduced, they have competed with native fish and disturbed spawning grounds as well as over populating rivers and competing via sheer volume of biomass.

    Pacu have been introduced to tropical areas in the Pacific islands near Java and resulted in fish that attack nude men in the river... not kidding, they have bitten off a couple appendages so far but for the most part they are driving out the native fishes and attacking wildlife. it seems there's not enough fruit falling into the river to satisfy them...

    Spreading invasive species is what humans do, just one of those sweet things about humans and their animals, in this series by Harry Turtledove http://en.wikipedia.org/wiki/Worldwar the aliens invade earth and bring their own animals to Earth where they become invasive as well, he postulates that moving invasive animals around is what intelligent beings do... we end up doing it to them...

  2. In Topic: Life And Water

    14 May 2012 - 02:00 PM

    View Postmaddog, on 14 May 2012 - 01:37 PM, said:

    As with the Chlorine, I've read a few of those myself. I admit it being extremely low probability to have both on one planet.
    For the example the idea of coexisting carbon and non-carbon bio-chemistry, I think would be a case if both were around for even a short time, one would in the end dominate and eliminate the other. Of course you can always speculate about what you can't observe.

    maddog



    An organism that breathed chlorine should live in HCl but water would do as well. Chlorine suffers from being cosmically rather rare and the possibility of a HCl oceans seem quite dim. An organism that breathed fluorine would almost certainly have to contain HF as it't body fluid due to the re-activity of fluorine. I wrote a paper on fluorine breathing organisms once. The process wolds together almost as well was oxygen and water. But again the extreme rarity of fluorine would seem to stop this from happening.

    Thomas Gold has speculated that deep with in the earth silicone life might exist using silicone fluids instead of water. He suggests this in his book "The Deep Hot Biosphere"

  3. In Topic: Life And Water

    10 May 2012 - 06:20 PM

    View Postmaddog, on 10 May 2012 - 05:43 PM, said:

    I would say the Kingdom Archea (live in those steam vents at the bottom of the oceans) that metabolize sulfur anerobically might be a good if not perfect example. There might be a lot of steam in their environment, though not liquid water.



    Actually they live in super critical water. Too much pressure for it to be steam, it's a super critical fluid. There is some evidence that the properties of water that makes it a good solvent for life are magnified when it is a super critical fluid...

    On second thought I'm not so sure about the super critical part, I'm not sure any life has been found at the temps necessary for water to be super critical, but the pressures and temps i do know Archea have been found at allow for water to be a liquid.

  4. In Topic: Life And Water

    10 May 2012 - 06:16 PM

    View PostHydrogenBond, on 23 April 2012 - 10:01 AM, said:

    The topic is life and water. Life as we know it requires water. No other solvent can be substituted for water. No enzymes will work without water. Even the DNA needs to be hydrated at least 30%, to form its active shape.


    Yes, no doubt about it, life as we know it requires water.

    Quote

    Some theories have proposed life evolving with other solvents. But this lacks any tangible proof, since nobody has actually formed or observed life within any other solvent. The question is why is water to singular with respect to life as we know?


    Again, because life as we know it evolved in water and has evolved to fit water with a fair amount of perfection.

    Quote

    I remember years ago thinking about a plant seed. I added water and it came to life. The seeds contains all the DNA and proteins needed for life, but before adding the water, it was inanimate. When I added water it slowly hydrated and life appears. I was always curious how this occurs. My hope is a create discussion that can shed light on the unique role of water.


    Again, why would you expect another result? Who would expect that to happen if you soaked it in ammonia, alcohol, or methane? Water, in respect to life as we know it, is indeed perfect for that life, i don't understand why you seem to think this is somehow unique or unexpected. Given what we do know about life and it's ability to adapt and evolve I would be surprised if water didn't appear to be perfect for life as we know it...

    To be honest I tend to agree with the assertion that water and life go hand in hand, I might even go so far as to say that multicellular life is only possible in water using carbon, lots of evidence points in that direction. i would be much surprised if at some point we discover a planet full of life as the earth is and it not be based on carbon and water. i can give many reasons for this but I can also point out that other solvents might do some things better. It's even possible that other elements might be better at bearing the scaffolding of life better than carbon but since we have only one example of life any ideas about any other kind of life is speculation at best... But if there is life based on or dissolved in other chemicals i would be amazed if that life wasn't as adapted to that scaffold or solvent as our life is adapted to carbon and water...

  5. In Topic: Dog And Germs And Dirt

    09 May 2012 - 07:03 PM

    View PostsigurdV, on 09 February 2012 - 09:49 AM, said:

    Noontanman shows empathy?

    Is the end near?

    (Just kidding)



    I gave you the benefit of the doubt sigurdV, you blew it...

Comments

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    pamela 

    25 Apr 2012 - 19:25
    nice collection on the swamp- what camera are you using?
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    pamela 

    29 Mar 2012 - 18:43
    i hope all is well
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    DFINITLYDISTRUBD 

    05 Feb 2012 - 15:19
    @ Turtle
    Yah, would suck much if he were to progress to biting!!!
  4. Photo

    DFINITLYDISTRUBD 

    05 Feb 2012 - 15:18
    And a late Happy birthday to you. Hope I live that long.
  5. Photo

    pamela 

    01 Feb 2012 - 20:56
    you may drive me nuts in a thread, but i always love ya :)
  6. Photo

    pamela 

    01 Feb 2012 - 20:40
    :)my pal
  7. Photo

    Turtle 

    26 Jan 2012 - 18:47
    good to hear you're still kickin'. you're right; 57 ain't half bad. take care. :)
  8. Photo

    Turtle 

    26 Jan 2012 - 18:47
    good to hear you're still kickin'. you're right; 57 ain't half bad. take care. :)
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    modest 

    24 Jan 2012 - 16:44
    Ha! I'd rather you share :)
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    Turtle 

    23 Jan 2012 - 16:45
    happy birthday. :-)
  11. Photo

    Turtle 

    23 Jan 2012 - 16:45
    happy birthday. :-)
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    pamela 

    23 Jan 2012 - 11:42
    Happy Birthday!!! even if you do hate me :P
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    nubianchem 

    07 Jun 2011 - 16:16
    Nice to see you on here, new friend!
  14. Photo

    pamela 

    31 May 2011 - 02:13
    hey there yourself ;)
  15. Photo

    pamela 

    25 Jan 2011 - 10:06
    ugh battling some virus again...been out of commission for 5 days now- may go back to work by saturday hopefully-and you? how's the health?
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