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Author Topic: Amazing nature  (Read 69467 times)

Cheeetar

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Re: Amazing nature
« Reply #75 on: March 12, 2009, 04:02:47 am »

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Alexhans

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Re: Amazing nature
« Reply #76 on: March 12, 2009, 06:58:54 am »

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Duke 2.0

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Re: Amazing nature
« Reply #77 on: March 13, 2009, 09:50:14 am »

 Now deviating off the subject of animals:
Spoiler (click to show/hide)
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JoshuaFH

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Re: Amazing nature
« Reply #78 on: March 13, 2009, 09:53:19 am »

Wow, that's the sorta food I'd expect if I were teleported to an alien planet.
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Yanlin

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Re: Amazing nature
« Reply #79 on: March 13, 2009, 10:00:25 am »

I ate a Pitaya once. EXTREMELY watery. Puts water melons to shame.

But damn does it taste good.
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Tormy

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Re: Amazing nature
« Reply #80 on: March 13, 2009, 04:30:32 pm »

Wow, that's the sorta food I'd expect if I were teleported to an alien planet.

Heh, lol! I thought the exact same thing! That Kiwano Melon looks like a fruit what has been transported to Earth from an other planet. :o
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Tormy

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Re: Amazing nature
« Reply #81 on: March 13, 2009, 05:21:42 pm »

Turritopsis nutricula
http://en.wikipedia.org/wiki/Turritopsis_nutricula



Turritopsis nutricula is a hydrozoan with a life cycle in which it reverts to the polyp stage after becoming sexually mature. It is the only known case of a metazoan capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary stage. It does this through the cell development process of transdifferentiation. Theoretically, this cycle can repeat indefinitely, rendering it biologically immortal.

Immortality

Jellyfish usually die after propagating; however, the Turritopsis nutricula has developed the ability to return to a polyp state. This is done through a cell change in the external screen (exumbrella). The ability to reverse the life cycle is probably unique in the animal kingdom, and allows the jellyfish to bypass death, rendering the Turritopsis nutricula biologically immortal.
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Alexhans

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Re: Amazing nature
« Reply #82 on: March 13, 2009, 05:38:55 pm »

Turritopsis nutricula
http://en.wikipedia.org/wiki/Turritopsis_nutricula



Turritopsis nutricula is a hydrozoan with a life cycle in which it reverts to the polyp stage after becoming sexually mature. It is the only known case of a metazoan capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary stage. It does this through the cell development process of transdifferentiation. Theoretically, this cycle can repeat indefinitely, rendering it biologically immortal.

Immortality

Jellyfish usually die after propagating; however, the Turritopsis nutricula has developed the ability to return to a polyp state. This is done through a cell change in the external screen (exumbrella). The ability to reverse the life cycle is probably unique in the animal kingdom, and allows the jellyfish to bypass death, rendering the Turritopsis nutricula biologically immortal.

Well... I finally found a pet for Lazarus Long.
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JoshuaFH

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Re: Amazing nature
« Reply #83 on: March 13, 2009, 05:48:49 pm »

So... this thing can live forever by just up and deciding "Aw man, I'm getting pretty old, let me just de-age myself a bit... that's better."?
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Aqizzar

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Re: Amazing nature
« Reply #84 on: March 13, 2009, 06:02:37 pm »

Well, it doesn't really decide anything.  Jellyfish are as simple a multicelled lifeform can get without just being a slimemold.  They act more like giant cells than definite animals.
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Duke 2.0

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Re: Amazing nature
« Reply #85 on: March 13, 2009, 06:16:19 pm »



 Meet the Virus. It doesn't eat. It does not breed. It does not use any chemical reactions. It cannot change or move. They are more related to you than your cousins.
 Despite this, it is one of the biggest killers in the world. Other cells are tricked by their outer coating, and absorb the virus into itself. Then the virus DNA is forced into the cell DNA, forcing the cell to create more copies of the virus. The cell will do this until either it has nothing else to use or there are too many virii in the cell. Then it bursts open, releasing the virii.
 This virus in particular is a rather nasty one. It has an outer coating of sugar as to trick the immune system. It then attacks these immune cells, killing them gradually. Normally the immune cells would learn from this and produce antibodies to counter this virus. However, there is a problem with antibodies. A specific type of antibody is tailored to neutralize one and only one type of virus. Thus the virus mutates every generation, making itself a completely different mutant every generation. by the time the original generation has been killed off, ten more are out there.
 Now this virus does not kill. However, it kills off the immune system of it's host. Thus other nasty things like viruses, bacteria and fungi can enter the body and cause damage. This virus has singlehadedly brought back diseases once thought eradicated.
 This virus is the HIV virus.
 It is not technically alive.
 It will kill you before ten years have passed unless you have good doctors, doctors that even only the rich can afford.
 It will kill you painfully. Your flesh will be eaten away, and fungi will cover your skin with their colonies. Your brain will start to rot, and toxins will be constantly pumping through your body.
 It cannot be detected until, at the very least, three weeks have passed.
 It is contagious from day one.

 HIV is the zombie plague of the virus world.
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Buck up friendo, we're all on the level here.
I would bet money Andrew has edited things retroactively, except I can't prove anything because it was edited retroactively.
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Il Palazzo

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Re: Amazing nature
« Reply #86 on: March 14, 2009, 01:22:40 am »

What they don't tell you about the HIV, is that it's rather hard to get infected.
http://en.wikipedia.org/wiki/Hiv#Transmission - table on the right.
also, "HIV virus" = "human immunodeficiency virus virus"

And remember folks, mantis shrimp is immune to HIV(all hail mantis shrimp!).
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Yanlin

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Re: Amazing nature
« Reply #87 on: March 14, 2009, 03:12:41 am »

As I was reading that post I was thinking HIV. I was sure it was something else...

Curse my education.
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KaelGotDwarves

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Re: Amazing nature
« Reply #88 on: March 14, 2009, 03:46:47 am »

Cuttlefish, especially the flamboyant cuttlefish - which is incredibly poisonous unlike all other cuttlefish, and looks, well, flamboyant.

...and those ants in the Amazon that use themselves as a living boat in order to save the queen.

Let me find a link...
http://www.youtube.com/watch?v=A042J0IDQK4

Tormy

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Re: Amazing nature
« Reply #89 on: March 14, 2009, 08:06:13 am »

Well, it doesn't really decide anything.  Jellyfish are as simple a multicelled lifeform can get without just being a slimemold.  They act more like giant cells than definite animals.

While that is true, it won't change the fact, that this creature is amazing.  ;)
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