Chimpanzee Studies

Chimpanzee Studies

Follow new studies of chimpanzee populations. Chimpanzees are humans' closest relative. We can learn a lot about evolutionary and developmental psychology from chimps.

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WASHINGTON (Reuters) - Why can humans talk and chimps cannot? Researchers said on Wednesday they have another clue and it lies not simply in the genetic code, but in how the genes function. Humans and chimpanzees share most of their DNA. Estimates on the percentage range from 98.5 percent to 95 percent. Scientists study the differences to find the keys to what distinguishes humans. A team led by Dan Geschwind at the University of California, Los Angeles, looked specifically at a gene called FOXP2, which looks very similar in many animals right up to the time the human lineage split off from the chimpanzee ... Read Full Story
WASHINGTON (Reuters) - The skeleton of an early human who lived 4.4 million years ago shows that humans did not evolve from chimpanzee-like ancestors, researchers reported on Thursday. Instead, the missing link -- the common ancestor of both humans and modern apes -- was different from both, and apes have evolved just as much as humans have from that common ancestor, they said. The researchers stressed that "Ardi" may now be the oldest known hominid, but she was not the missing link. "At 4.4 million years ago we found something pretty close to it," said Tim White of the University of California Berkeley, who ... Read Full Story
From:   www.afp.com
Computer animations of yawning chimpanzees provoke the same irresistible grins in real chimps, according to an unusual study released Wednesday. "Contagious yawning" is well known among humans, and earlier studies have shown that chimps are not immune to its suggestive influence either. But the new research is the first to show that images seen on a monitor can provoke teeth-baring yawns in non-human primates too. Matthew Campbell and colleagues of the Yerkes National Primate Research Center in Lawrenceville, Georgia divided 24 chimps ranging in age from nine to 43 years old into pairs. Each pair was exposed to animated chimps in two short 3-D ... Read Full Story
From:   www.afp.com
Chimpanzees infected with the ape version of HIV can die of an AIDS-like disease, a finding that challenges conventional beliefs that chimps are immune to the virus, according to a study released on Wednesday. Simian immunodeficiency virus (SIV), a pathogen circulating in African animal primates, is believed by many scientists to be a precursor of the human immunodeficiency virus (HIV) that causes AIDS. It may have leapt the species barrier to humans around a century ago, snowballing into the HIV/AIDS pandemic that has so far claimed tens of millions of lives. But, until now, SIV was thought to be unable to wreck apes' immune ... Read Full Story
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Browse > Home / Animal Life- animal protection , Article-byline , BREAKING NEWS , India , Irak , World News / Chimps To Become Extinct In the Wild Within Ten Years July 27, 2009 By Andrea Frascione, staff writer The Jane Goodall Institute Puts Up for Adoption Chimps Orphaned by Poachers JOHANNESBURG, South Africa ( RPRN ) 7/27/2009 - The Jane Goodall Institute Chimpanzee Eden is a sanctuary for rescued wild and abused captive chimps in South Africa. Continuing the mission Dr. Goodall began in 1977, this twenty-five hundred acre habitat ensures the survival of those who have escaped poachers, and the well being ... Read Full Story
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Scientists have long been fascinated with the studies of language, as it was potentially the most uniquely human cognitive ability. To test the hypothesis of the human-uniqueness of language, scientists have attempted to teach several species of great apes language. One early attempt was performed by Allen and Beatrice Gardner in the 1960s, in which they spent 51 months attempting to teach a chimpanzee named Washoe American Sign Language. Washoe learned 151 signs in those 51 months.[ Over a longer period of time, Washoe learned over 800 signs. However, there is still debate among some scientists about the great apes' ability to learn language.

Source: Wikipedia
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Chimp

Chimp

Linked from: primates.com

Boston (DbTechNo) - Results of a new study appear to favor an experimental drug to treat hepatitis C. The drug, known as SPC3649, worked very well in chimpanzees by inhibiting the hepatitis C virus to replicate in their bodies. According to scientists at the Southwest Foundation for Biomedical Research (SFBR), clinical trials of the drug are already [...]  
From dbtechno.com ()
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In spite of their genetic similarity to humans, chimpanzees and great apes have maximum lifespans that rarely exceed 50 years. The difference, explains USC Davis School of Gerontology Professor Caleb Finch, is that as humans evolved genes that enabled them to better adjust to levels of infection and inflammation and to the high cholesterol levels of their meat rich diets...  
From medicalnewstoday.com ()
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Most of the linguistic functions in humans are controlled by the left cerebral hemisphere. A study of captive chimpanzees at the Yerkes National Primate Research Center (Atlanta, Georgia), reported in the January 2010 issue of Elsevier's Cortex (http://www.elsevier.com/locate/cortex), suggests that this "hemispheric lateralization" for language may have its evolutionary roots in the gestural communication of our common ancestors. A large...  
From biologynews.net ()
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Uncovering another link between chimpanzees and humans, a new study found chimps gesture mainly with their right hands. This indicates the chimp brain's left side is used in communication, as in people.Video  
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"Do chimps understand what Jon Stewart (or another chimp) believes?" That's the title of a post from Dave Munger, who, pointing out that Stewart brings up the subject, uses the opportunity to ask to what extent chimpanzees possess object permanence,...  
From ideafestival.typepad.com ()
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by Michael WinshipGive thanks. Because this isn't one of those Thanksgiving lists of things for which we should be grateful -- although health, family, friends, laughter, etc., would certainly all be on mine.And Jane Goodall.Yes, that Jane Goodall, the woman we all grew up with watching those National Geographic specials on TV as she communed with the chimpanzees of Tanzania's Gombe National Park in East Africa.read more  
From commondreams.org ()
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Voice of AmericaJane Goodall: Still Hard at Work for the ChimpsVoice of AmericaShe has spent most of her career studying wild chimpanzees in a protected area of Tanzania called Gombe National Park. Over the past fifty years, ...Legendary Activist And Author Jane Goodall Spends Time At “The Daily Show”Ecorazziall 2 news articles »  
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Modern chimpanzees use tools, and recent research indicates that chimpanzee stone tool use dates to at least 4300 years ago. A recent study revealed the use of such advanced tools as spears, which Common Chimpanzees in Senegal sharpen with their teeth, being used to spear Senegal Bushbabies out of small holes in trees. Prior to the discovery of tool use in chimps, it was believed that humans were the only species to make and use tools, but several other tool-using species are now known.

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