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1,278 hits Rate me! Share Favorite | Flag 18 years ago by hawkeyega

Can life exist without water?
Are scientists narrow minded to search only for water on other planets? Granted it is the universal solvant (that we know of...)


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18 yrs ago, 7 mos ago - Saturday 2/21/04 - 2:40:05 PM EST (GMT-5)
whats more than half your body made of!?!?
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 2:41:06 PM EST (GMT-5)
Not life as we know it....
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 2:41:33 PM EST (GMT-5)
No lifeform on earth can
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 3:00:37 PM EST (GMT-5)
Universal? What do you mean by that? there's loads of stuff that's insoluble in water but soluble in ether, alcohol, chloroform, benzene...

Fundamentally, it's not required at all. You could get life forms that are nothing like those on earth.

18 yrs ago, 7 mos ago - Saturday 2/21/04 - 3:09:17 PM EST (GMT-5)
ok for all you who argue that its not required your bieng completly felacious. which means your arguments horrifically wrong and in this case due to your sample size. There are no known life forms that can exisit wihtout water! So to argue there may because we jsut dont know is irrelavant! you can only aruge with the sample sizes avaible and there is absolutly no evidence supproting anything can live without water!
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 3:23:21 PM EST (GMT-5)
^ Actually felacious means sod all. Perhaps you mean fellatios? Because you argument does seem to simplify to #69.

Your point might be close if you ignore all of science, but I tend to read things, so it's harder for me to do that.

In science we extrapolate from what we know to consider other possibilities. By your argument, chemists would never synthesise a molecule, as we had never seen it before, by your argument, we would ignore the possibility it existed.

e.g. before we saw elemental flourine, it was not in our 'sample', but we hypothesised its existance from scientific evidence, and then found it.

18 yrs ago, 7 mos ago - Saturday 2/21/04 - 3:27:33 PM EST (GMT-5)
That might just be the worst spelling demonstration I've seen on YT.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 3:30:10 PM EST (GMT-5)
its called critical thinking/ philosophy, and I was attacking the argumetns posted, I didn't actualy make an argument 314159 if you can give evidence beyond " there could be" then please do I was merrly attacking arugments.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:02:17 PM EST (GMT-5)
^ I don't need to *prove* there is life without water. "there could be" is clearly sufficient, as that is what the question asks.

If I could prove it, (and the only way would be to discover a new life form or create one myself) I'd be making a fortune off the story right now.

I am now saying there is certainly life without water, but it is possible. An advanced polysentient Van Neumann probe, for example, i it were suficiently advanced to be considered truly sentient, would be able to replicate and think without the need for water. Similarly, you could have organic lifeforms based on silicon, or ones that used other solvents for transoprt of nutrients. The purpose served by water in earth based life forms could be replaced easily enough.

Water is useful, and prevalent on earth, so it is used in the organic life forms we see here. That is not sufficient reason to say it is definitely required, which would be the counter argument.

18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:05:17 PM EST (GMT-5)
i didn't say prove, i said give any evidence of course you cant prove it, and i wasn't maknig an argument solly attacking those that were made that were horrible. I am not a scientist, i am
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:05:52 PM EST (GMT-5)
I think on other planets there may not need to be water for there to be life. Water is necessary for life on earth but that's just earth....

......Who knows.

18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:06:38 PM EST (GMT-5)
i didn't say prove, i said give any evidence of course you cant prove it, and i wasn't maknig an argument solely attacking those that were made that were horrible. I am not a biologist, i am a student of history political science and philosophy so all i can offer to this discussion is minimal scientific analyisis.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:06:55 PM EST (GMT-5)
and wait... water isn't actually necessary for ALL life on earth, is it?
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:07:16 PM EST (GMT-5)
I know nothing about this... I'm leaving now... 0_o
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:07:59 PM EST (GMT-5)
Well, my science teacher said we couldn't. I think it's stupid that scientists think that other planets have to have water to maintain life.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:08:08 PM EST (GMT-5)
you couldnt live with out H2O.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:48:08 PM EST (GMT-5)
Actually, you've got me wondering now. I think there may actually be earth based life forms that don't need water.

*goes off & searches*

Nope. Every living thing on earth seems to need water at some point, although many can go through 'anhydrobiosis', which is basically a complete drying out, after which some life forms can be rehydrated and revived. (e.g. dried yeast)

The fact that everything on earth needs water to live is the reasoning behind out search for water, but there's no real evidence that water is a neccessity.

There's a saying that when a scientist says something is possible, they're almost always right, and when they say something is impossible, they're almost always wrong. I don't believe another solvent couldn't work in transport mechanisms in place of water in an environment where water simply was not present. If such a species required a solvent at all.

18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:53:30 PM EST (GMT-5)
oooh.. ok then.
18 yrs ago, 7 mos ago - Saturday 2/21/04 - 4:53:44 PM EST (GMT-5)
NO
18 yrs ago, 7 mos ago - Sunday 2/22/04 - 7:35:37 AM EST (GMT-5)
no
18 yrs ago, 7 mos ago - Sunday 2/22/04 - 7:39:02 AM EST (GMT-5)
Water (h2o) is a very simple molecule, one that is likely to exist anywhere in the universe.
18 yrs ago, 7 mos ago - Sunday 2/22/04 - 6:32:13 PM EST (GMT-5)
no
18 yrs ago, 7 mos ago - Sunday 2/22/04 - 6:35:04 PM EST (GMT-5)
well I dunno...you could live for the rest of your life w/o drinking pure water, cuz water is in soda and juices and stuff...but it's always healthy to have a little water every day at least
18 yrs ago, 7 mos ago - Sunday 2/22/04 - 7:57:48 PM EST (GMT-5)
hahahahaha
18 yrs ago, 6 mos ago - Saturday 3/13/04 - 9:12:36 PM EST (GMT-5)
Not the life forms we know of so far,no.

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