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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Posted: Mon Sep 11, 2006 4:20 pm Post subject: |
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_________________ Lick or Be Licked |
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Tylen Alpha Antifemale
Joined: 29 Jul 2003 Posts: 1192 Location: Not Colorado
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Posted: Wed Sep 13, 2006 10:24 pm Post subject: |
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Spider sex causes spontaneous death
* 12:33 26 June 2003
* NewScientist.com news service
* Philip Cohen
Sexual suicide, cannibalism and necrophilia are all involved in a macabre study that adds a new twist to the mating behaviour of spiders.
Researchers found that for male orb-weaving spiders of the species Argiope aurantia completing copulation leads to certain death. The deceased suitor's corpse is then trapped in the female genitalia. This may be a strategy to prevent other males from subsequently mating with the female, say the scientists.
"I was stunned that his happened with every single male," says Matthias Foellmer, of Concordia University in Montreal, Canada, who conducted the study with Daphne Fairbairn of the University of California, Riverside. "Spiders are known for their bizarre mating, but even so this was surprising."
Male spiders are often the losers of the dating game. The females of many species are cannibals, literally combining dinner and a date. Some males do their best to escape their mate's post coital appetite while others, like the red back spider, accept their fate by somersaulting into the female's fangs.
But anecdotal reports that Argiope males were not eaten but died spontaneously during sex intrigued Foellmar and Fairbairn. So they observed more than 100 spider matings.
Heart stopping
Male spiders possess two sexual organs called pedipalps, each of which inflates after inserting into one of a pair of genital openings in the female. In the 55 cases in which a male finished mating by inserting his second pedipalp, the researchers saw that the male immediately became unresponsive and assumed a death posture with legs folded under his body. The male spiders' hearts stopped beating after a few minutes.
There was no obvious sign that the female was responsible for this lethal effect. And any stealthy way of dealing out death was ruled out by the actions of one confused male that stuck his second pedipalp into a mealworm carcass trapped in the web. This cross-species necrophilia also instantly triggered the male's death, showing female Argiope's are not to blame.
The female do sometimes remove and devour their dead mates. But the researchers do not think the death program evolved to give her a post-sex snack, as the males are too tiny to provide much nutrition.
Instead the researchers think the corpses act as a weird chastity belt that blocks the female genitals and discourages other suitors. If so, it appears to be effective. In 11 cases where competing males attempted to dislodge the dead mate, they only succeeded three times. And it was not for lack of trying, Foellmer told New Scientist: "The other males go beserk, bite into the legs and try to pull him off."
Journal reference: Proceedings of the Royal Society of London B (DOI 10.1098/rsbl.2003.0042) |
_________________ ** The phrase "break a leg" just wasn't ambitious enough for Mellie Knight. [8:31 pm]
** Mellie Knight was soundly defeated by Aesal Anari-Idia in the Zgedhi Gkenrzeg Rav! [8:31 pm] |
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senseandviolets
Joined: 22 Jun 2003 Posts: 358 Location: Land of the lizards.
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Posted: Thu Sep 14, 2006 11:20 am Post subject: |
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It's so nice Aesal, that you visit every so often to share these little bits of sunshine with us! _________________ Behind every optic is a mathematic. |
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Posted: Mon Sep 18, 2006 10:46 am Post subject: |
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Fire Away _________________ Lick or Be Licked |
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Posted: Wed Sep 27, 2006 3:24 pm Post subject: |
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Rapping Babies _________________ Lick or Be Licked |
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HR-Mickey Cloverfield Monster
Joined: 24 Nov 2002 Posts: 1844 Location: I've Got No 'billy
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Posted: Tue Oct 03, 2006 3:19 am Post subject: |
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http://www.youtube.com/watch?v=PfT4ikZCQJk
Ironically, I found myself concluding that the liberal guy was by far the bigger non-punk dickhead. _________________ Mickey Brunner
To make a long story short, don't tell it.
I may be going nowhere, but I'm going nowhere fast.
---
Kelvin Watt says, "I stopped drinking coke when no longer drinking beer didn't make my gut disappear."
---
Kaelin Rae says, "Wait a minute..."
Kaelin Rae says, "You mean they have a COKE machine that dispenses beer."
Kaelin Rae nods to you.
Kaelin Rae says, "Greaser."
Kaelin Rae looks at you and sighs. |
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HR-Trevor Boss Type Guy
Joined: 04 Oct 2002 Posts: 6683 Location: Louisville, KY
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Posted: Tue Oct 03, 2006 6:04 am Post subject: |
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That was pretty funny. When the liberal guy said, "come on, guy!" I had flashbacks of southpark saddam. _________________ "Wise men talk because they have something to say; fools, because they have to say something." -- Plato
-- Trevor Rage / Rich Mondy |
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HR-Arden
Joined: 15 Nov 2002 Posts: 460 Location: Abbindolare
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Posted: Tue Oct 03, 2006 7:59 am Post subject: |
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HR-Mickey wrote: |
http://www.youtube.com/watch?v=PfT4ikZCQJk |
Awesome _________________ Arden [hr-arden@haelrahv.com]
I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve. -- Bilbo Baggins |
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HR-Trevor Boss Type Guy
Joined: 04 Oct 2002 Posts: 6683 Location: Louisville, KY
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Posted: Fri Oct 06, 2006 5:08 pm Post subject: |
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A married couple is driving along a highway doing a steady 40 miles per hour.
The wife is behind the wheel.
Her husband suddenly looks across at her and speaks in a clear voice.
"I know we've been married for twenty years, but I want a divorce."
The wife says nothing,
Keeps looking at the road ahead but slowly increases her speed to 45 mph.
The husband speaks again. "I don't want you to try and talk me out of it,"
He says, "because I've been having an affair with your best friend,
And she's a far better lover than you are."
Again the wife stays quiet,
But grips the steering wheel more tightly and slowly increases the speed to 55
He pushes his luck. "I want the house," he says insistently..
Up to 60.
"I want the car, too," he continues.
65 mph.
"And," he says, "I'll have the bank accounts, all the credit cards and the boat!"
The car slowly starts veering towards a massive concrete bridge.
This makes him nervous, so he asks her, "Isn't there anything you want?"
The wife at last replies in a quiet and controlled voice.
"No, I've got everything I need," she says.
"Oh, really," he inquires, "so what have you got?"
Just before they slam into the wall at 65 mph,
The wife turns to him and smiles.
"The airbag." _________________ "Wise men talk because they have something to say; fools, because they have to say something." -- Plato
-- Trevor Rage / Rich Mondy |
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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Posted: Sat Oct 07, 2006 12:58 pm Post subject: |
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Timing is everything _________________ Lick or Be Licked |
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Tao
Joined: 19 Nov 2002 Posts: 1733 Location: Maryland
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soundless EIGHT YEARS OLD!!!
Joined: 22 May 2004 Posts: 5970 Location: Spaceship
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Posted: Thu Oct 19, 2006 1:08 pm Post subject: |
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someone stole a whole skit from Reno 911
ps: for those curious, Dangle did pretty much this during an episode as an audition for Officer Krupke - dancing and directing traffic to show he could play the role. _________________ A bright-eyed Thekko Ku Kalla dressed in a dapper sailor suit takes to flight and careers through the air toward the Modan Kucho and slams into him!
With a high-pitched cry, The Modan Kucho collapses in death. |
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