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Tae Jung
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GWENT: The Witcher Card Game – register for the beta

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How Did Cats Come To Live Among Us?

June 28, 2007 (HealthDay News) — Painstaking genetic research shows that the cat first became domesticated soon after humans began farming and building the first civilizations, somewhere in the ancient Near East.
And, in typical feline fashion, the decision to take up residence was theirs.
“Cats weren’t domesticated on purpose, they just kind of invited themselves in,” said study lead author Carlos Driscoll, a doctoral fellow at Oxford University in the United Kingdom. He conducted the research while at the U.S. National Cancer Institute’s Laboratory of Genomic Diversity, in Frederick, Md.
By now, the world’s Fluffys and Sylvesters have planted their paws firmly across the globe. But these millions of cats appear to share a common ancestor, according to researchers reporting in the June 29, 2007 issue of Science.
Driscoll’s team used genetic material gathered from cats worldwide to distinguish wild breeds from domesticated cats and hybrids, and to help determine when and where domestication first occurred.
“Cat domestication became complete by about 3,600 years ago, although the process probably began much earlier,” Driscoll said. “It probably began with the origins of agriculture, which was about 12,000 years ago.”
As farmland in the Fertile Crescent (modern-day Iraq) kept humans rooted in one locale, the first cities grew.
“Cats are very adaptable, and they adapted themselves to this new environment,” Driscoll said.
Still, outside of their talent for eating mice and rats, felines weren’t of any obvious value to humankind — not like pigs, goats and cattle, which people worked hard to domesticate.
Instead, cats likely won humans over with a charm offensive, Driscoll said.
“Cats are nice. They tame down well, and there was just no reason for people not to like them,” he said. As cats started to hang around cities and homes, “they were tolerated and encouraged,” he added. It appears to have been the perfect plan, since the house cat now outranks the dog as the world’s most populous pet.
The NCI study drew on genetic material from 979 domestic cats found “in Scotland, down though Cape Town, and all the way to Mongolia and lots of places in between,” Driscoll said. The researchers also sampled the DNA of the world’s remaining pockets of truly wild cats: Felis silvestris silvestris in Europe; Felis s. lybica in Africa and the Near East; Felis s. ornata in Central Asia; Felis s. cafra from the Sahara desert, and Felis s. bieti from the Chinese desert.
Prior to this work, specialists in feline evolution had based much of their theories on the archaeological and paleontological record. But, Driscoll said, cats’ bones and other remains can only tell scientists so much. “There’s actually very little physiological difference between wild cats and domestic cats,” he said. “It’s very difficult to tell them apart from their bones.”
The common house cat also varies little in behavioral terms from its wilder cousins, he said. “Just by knowing how [house] cats can survive in the wild, you can tell they’re not very much changed from their wild ancestors,” Driscoll said. “They hunt just as well as a wild cat, and they breed even more prolifically.”
Based largely on the archaeological record, some experts had speculated that the domestication of the cat occurred in separate places at separate times, giving rise to distinct lineages around the world.
But the new gene study tells a different tale.
“All [domestic] cats are related to one another, and they all come from the same place, and that’s the Near East” Driscoll said. Today’s domestic cats probably all descend from the wild cat native to the area, Felis s. lybica.
Looking much farther back into the record, Driscoll and his colleagues also discovered that the various lineages of wild cat began branching off from a common ancestor, Felis silvestris, more than 100,000 years ago — much earlier than was originally assumed.
The findings are more than an historical curiosity. “Of the 36 or 37 species of cat, all of them are threatened or endangered except for the domestic cat. There’s a real conservation aspect of this work,” Driscoll pointed out. That’s because one big problem facing the world’s wild cats is their tendency to breed with feral relatives of nearby domestic cats.
The new findings “give us more evidence for a genetic basis to differentiate wild cats from domestic cats and the hybrids of the two,” explained Bill Swanson, director of animal research at the Cincinnati Zoo. “So, if you are working to conserve wild cats, it gives you a way to determine if that population is genetically pure or if there have been domestic cat genes incorporated into that population,” he said.
Interbreeding is a particular problem for European varieties, such as the Scottish wildcat, a focus of Driscoll’s work in the field.
That the gene work was carried out at the National Cancer Institute points to its importance for human health, as well.
“Cats are great models for human genetic disease,” Driscoll explained. “Things like retinal atrophy, for example. The Laboratory of Genomic Diversity is interested in that. They’re interested in making the cat a better ‘model.’ This is a kind of genetic background check on the cat.”

#gif #caturday #catoftheday    #catlovers    #animallovers    #funnygifs    #caturdayeveryday   #Adorable  #Amazing  #Animals  #Awesome  #Awww  #CatLovers  #Cats  #Cute  #Funny  #Gifs  #Hilarious  #Humor  #Kitten  #Kitty  #LOL #kitty  #animals  #funny  #cat  #animals  #funny . #cat #kitty #kitten #awesome #cute #lol #funny 
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Tae Jung

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so hard to believe Mr. Iwata is gone.  :(   It's a sad day.  

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I'm beginning to really wonder if Google has given up on it's social network. I still find people here more real then Facebook. 

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Cats have become my kids.. Not a lot of difference except the fuzz. 

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When it rains, it pours.  temporary residence , unemployment, trying to start up a business, tending to my cats. It's been a tough year.  I hope everyone else is having a easier year. I wouldn't wish my situation on anyone.  Have a wonderful sunday!

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Cat Proving Curiosity is a trap

Cats are really adorable. Lovely as always.

Fishes are less scared of this cute cat.

Their communication is awesome.

Cat communication is the transfer of information by one or more cats that has an effect on the current or future behaviour of another animal, including humans. Cats use a range of communication modalities including vocal, visual, tactile and olfactory.

The purr is a continuous, soft, vibrating sound made in the throat by most species of felines. Domestic kittens can purr as early as two days of age. This tonal rumbling can characterize different personalities in domestic cats. Purring is often believed to indicate a positive emotional state, but cats sometimes purr when they are ill, tense, or experiencing traumatic or painful moments.

#catoftheday   #catlovers   #animallovers   #funnygifs   #caturdayeveryday  
63 comments on original post

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Have a Great New Year, everyone!   I hope it's been a better 2014 for you then it has for me. Take care. 

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Dragon Age Inquisition : difference in the visuals.   ow.
computer hardware/software repair, personnel management, shipping/receiving related skills
  • Unemployed
  • TJX Companies
    BRC, 2010 - 2014
  • Babbage's/EB/Gamestop
    ASM, 2004 - 2010
  • US Army
    Soldier, 1996 - 2006
Basic Information
Death becomes you.
Crazy cat person I be.
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Honorable discharge from Army after 10 years of loyal service
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