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"Ever heard of Tardigrades (Water Bears)?" Topic


28 Posts

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3,635 hits since 1 Jan 2006
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Cacique Caribe01 Jan 2006 11:21 p.m. PST

This is the first time I hear of them.

Seems like these critters can withstand most of the harsh conditions of space (even those in Mars?)!

They might be part of our future terraforming projects.

en.wikipedia.org/wiki/Tardigrade
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q7.com/~vvv/tardigrade

CC

Cacique Caribe01 Jan 2006 11:31 p.m. PST

I guess they have caught the attention of NASA:

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CC

cloudcaptain01 Jan 2006 11:49 p.m. PST

Anybody see where this is going? Lets send some over to planet x and stop by a few years later to see how they are doing…RAWWRRRR!

Privateer4hire01 Jan 2006 11:51 p.m. PST

I remember those from zoology course. They discussed those little dudes about the same time onycophorans (sp?) were in the subject line. Lot of weird biology in some of the things they covered in that course.

Cacique Caribe02 Jan 2006 1:45 a.m. PST

Very interesting:

Tardigrades and Extreme Environments (From the Wikipedia article)

Tardigrades are one of the few groups of species that are capable of reversibly suspending their metabolism and going into a state of cryptobiosis. One Tardigrade was recorded to be in this state for over 120 years (but although the revival process started, the animal did not successfully revive); several species regularly survive in a dehydrated state for nearly 10 years. Depending on the environment they may enter this state via anhydrobiosis, cryobiosis, osmobiosis or anoxybiosis. While in this state their metabolism lowers to less than 0.01% of what is normal and their water content can drop to 1% of normal. Their ability to remain desiccated for such a long period is largely dependent on the high levels of the non-reducing sugar trehalose, which protects their membranes.

Tardigrades have been known to withstand the following extremes whilst in this state:

*Temperature—Tardigrades can survive being heated for a few minutes to 151 °C or being chilled for days at -272.8 °C (almost absolute zero).
*Radiation— Shown by Raul M. May from the University of Paris, Tardigrades can withstand 5700 grays of x-ray radiation. (Five grays would be fatal to a human).
*Pressure—They can withstand the extremely low pressure of a vacuum and also very high pressures, many times greater than atmospheric pressure. In theory, they could even survive the vacuum of space, though the possibility of it is slim.

CC

Personal logo Dances With Words Supporting Member of TMP Fezian02 Jan 2006 1:51 a.m. PST

but do they taste like 'chicken' or the 'other green meat'???

Got the grill out on Zegma Beach….
Lt DWW

arturo rex02 Jan 2006 1:53 a.m. PST

They must make awesome pets. Very hard to kill if you forget to feed or water them.

stealth84102 Jan 2006 4:08 a.m. PST

I would love to see them drop of them little guys & some moss on to Mars & see what happens. I think it is our duty to spread life thoughout the stars.

RavenscraftCybernetics02 Jan 2006 6:16 a.m. PST

Soylent red is water bears!

CooperSteveatWork02 Jan 2006 9:48 a.m. PST

"I think it is our duty to spread life thoughout the stars."

I can think of a few living people it would be good too spread across instellar space…

Space Monkey02 Jan 2006 1:12 p.m. PST

I like their alternate name… 'moss piglets'

Fabulously interesting critters.

Cacique Caribe08 Aug 2006 6:00 p.m. PST

"I would love to see them drop of them little guys & some moss on to Mars & see what happens."

Animal Planet's "The Most Extreme" just suggested that on tonight's show!

CC

Sane Max09 Aug 2006 4:40 a.m. PST

Are they like Sea Monkeys? My Sea Monkeys all died when I fed them Bananas.

Can Tardigrades cope with being kept under a kid's bed JUST at the point where he finds his older brothers' stash of one-handed periodicals and thus neglects to change the water or feed them for a period of several weeks?

Pat

BlackWidowPilot Fezian09 Aug 2006 6:21 a.m. PST

<<I can think of a few living people it would be good too spread across instellar space…>>

And I can think of a few people for whom spreading across space would be far too good for them! >;D

Leland R. Erickson
Metal Express
metal-express.net

Cacique Caribe17 Aug 2006 9:20 p.m. PST

Just look at moss growing in your backyard. And yes, you will need a microscope to see them.

CC

Cacique Caribe25 Oct 2007 12:01 a.m. PST

Cool critters:

link

CC
TMP link

Detailed Casting Products25 Oct 2007 10:10 a.m. PST

Well, the Tardinauts are back from space. I'd like to hear how the interview went…wink

tardigradesinspace.blogspot.com

Cacique Caribe25 Oct 2007 10:23 a.m. PST

I wonder if they will fit them with universal translator helmets. :)

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Imagine if they took over a planet we plan to colonize, and that they grew to gigantic proportions (man-sized). I think that I may try sculpting one for 28mm:

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Shouldn't be so hard to do, right?

CC

Cacique Caribe25 Oct 2007 10:31 a.m. PST

It would make a cool-looking non-humanoid alien, wouldn't it?

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CC

Cacique Caribe25 Oct 2007 10:55 a.m. PST

They kinda remind me of "Popplers"!!!

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CC

Detailed Casting Products25 Oct 2007 11:35 a.m. PST

Well, it would be a case of turnabout, for sure.

Gummy bears that eat humans. evil grin

Cacique Caribe23 Oct 2009 9:30 a.m. PST

What if we found some on Mars, but slightly mutated to this size?

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TMP link

CC
PS. Shouldn't be so hard to sculpt:
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Cilidar23 Oct 2009 11:38 a.m. PST

That sounds fun! I like the look and they shouldn't be to hard to do even though they'll give some practice with textures and carapaces. I might just try my hand with them.

Cacique Caribe23 Oct 2009 3:30 p.m. PST

Cilidar,

I would love to see what you come up with!

CC

Cacique Caribe11 May 2010 12:07 a.m. PST

Cilidar,
Any luck with the project? If so, any pictures?
Thanks.
Dan

flooglestreet11 May 2010 5:25 a.m. PST

Are tardibears like yogibears? TMP link

Farstar11 May 2010 1:58 p.m. PST

Looks like Cilidar hasn't visited TMP in six months…

Cacique Caribe11 May 2010 2:01 p.m. PST

Man. I was hoping he had tried sculpting one during this time.

Dan

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